UCONN-NUREG-O208-10
NORTHEASTERN
U. S. SEISMICNETWORK
BULLETIN No.5
OF
SEISMICITY OF THE NORTHEASTERNUNITED STATES
October
1,1976
December 31, 1976
-
'-
Compiled and Edited
E.F. Chiburis,
R.O.
University
Ahner,
Weston
by
of Connecticut
Observatory
Coordinator
Paul W. Pomeroy,
United
June
States
Geological
Survey
1977
MEMBERS
Weston Observatory
of Boston College
Massachusetts
Institute
of Technology
University
of Connecticut
Lamont-Doherty
Geological
Observatory
of Columbia
Pennsylvania
State
University
Delaware
Geological
Survey
Ma;ne Geological
Survey
University
Nuclear
Regulatory
Commission
States Geological
Survey
National Science Foundation
United
~
~
New York State
Energy and Resources Development Authority
New York
State
Science
Service
ACKNOWLEDGEMENTS
Partial
or full
support
from various
agencies
operation
of the Northeastern
U.S. Seismic
fully
acknowledged.
The agencies providing
for
the
Network is gratesupport to members
of NEUSSN are as follows:
The Nuclear
Regulatory
Safety Research,
The United States
Geological
quake Studies,
The National
Science
The New York
Commission
State
Authority,
and
The New York State
Survey
Foundation
Energy
-
-
Office
-
Geophysics
and Resources
Science
Office
of Reactor
of EarthProgram,
Development
Service.
Data from the Seismic Network operated by the Consolidated
Edison Company of New York and from an array operated by Weston
Geophysical
Engineers
in New Hampshire were provided
to NEUSSN
and the
receipt
of
In adddition
was also provided
these
to the
by the
data
is
gratefully
acknowledged.
above operational
support,
equipment
Office
of Environmental
Geology of
the u.S. Geological
Survey to members of NEUSSN.
The advanced Research Projects
Agency of the Department
of Defense provided
a number of geophones and amplifiers
to
all
members of
NEUSSN.
2.
ABSTRACT
This
in
the
report
northeastern
December 1976.
station
the
fifth
United
Included
locations,
epicenters
for
the
station
locations
for
fifth
the
is
quarterly
States
and covers
are geographic
the
epicenters
five
quarters.
and of
arrival
quarterly
bulletin
epicenters.
for
the
maps of
seismicity
period
the
the quarter,
Also
times,
of
included
amplitudes,
October
seismic
and the
are
tables
cumulative
of
and periods
the
3.
INTRODUCTION
This
in
the
report
is
northeastern
are '~eston
Jersey
of
Arrival
Columbia
data
the
United
Department
of
Thirteen
period
for
are
College,
in
New Hampshire
operating
the previous
previous
bulletin.
the
ALV-VT,
Table
BRV-VT,
1.
Three
I is
the period
information
included
letter
National
Geological
following
Geological
Institute
of
New
Point
supplied
for
events
Physics
network
by
in Canada
Branch,
Canada.
during
this
reporting
The thirteen
bulletin.
operating
the
station
the
tables
station
listed
new
of
the
reporting
stations
The format
as follows:
Center
as noted
code).
this
December 1976.
is
ELM-NY,
as WWL in the
as recognized
Information
(except
during
by state,
-
code,
Earthquake
Survey
a list
October
in
stations
and COV-VT.
UWL-NY was erroneously
during
bulletin
D2A-ME, D3A-ME, DUX-MA, CSNH, GHNH, LANH,
FOR-NY, HMB-NY, and WLI-NY were not
Station
this
Indian
by the Earth
stations
period.
for
were
data
seismic
MBNH, WBNH, BGR-NY,
operating
Edison
Mines and Resources,
DIA-ME,
data
New York and northern
Energy,
in
October
the Massachusetts
were supplied
listed
seismicity
Lamont-Doherty
Epicentral
Engineers.
of
period
supplying
southeastern
events
States
were not
stations
the
by the Consolidated
Weston Geophysical
near
bulletin
for
University,
in
supplied
time
States
of Boston
earthquakes
were
quarterly
The organizations
Observatory
Observatory
for
fifth
United
December, 1976.
data
the
by the
of
the U.S
by an asterisk
of
4
2.
Station
latitude,
3.
Station
longitute,
degrees-minutes-seconds,
4.
Station
elevation,
meters
s.
Geographic
6.
Network
Figure
Network
having
operator
1 is
clusters
Attica
the
stations
the
During
in
than
in
this
one in
the
fifteen
felt
across
epicenters
period
northern
nuclear
closely
Seismic
of coverage
separately:
in
facility
spaced
U.S.
regions
Lake
Maine near
in
are
the north,
in
Dickey
the
and
southeast
and the network
to be clearly
occurred
represented.
October
-
probably
felt.
Figure
December
Table
2 with
II
of
One of
2 is
1976.
and one in
is
the
earth-
United
States;
earthquakes
map of
Two earthquakes,
Maine
a chronological
format:
within
earthquakes
a geographic
list
less
In addition,
an epicenter
these
northern
following
of magnitude
New York.
in Canada having
Figure
sixty-seven
northeastern
Lake region
u.s. border.
Maine.
bulletin,
the
forty-eight
Blue Mountain
Copnecticut
in
Point
and located
southeastern
epicenters
three
Blue Mountain
by this
total
northern
not
are
covered
of the
for
Northeastern
SEISMICITY
earthquakes
100 kilometers
too
near
too
quakes were detected
included
the
dense to represent
are
the
map of
stations
Indian
west.
station.
there
array
u. S.
for
In New York,
the
New Hampshire
NORTHEASTERN
responsible
the west,
of
north.
station.
a geographic
of
in
Similarly
in
name of
(NEUSSN).
near
degrees-Minutes-seconds,
was
the
one in
were heard
of the
but
5.
1.
Date and geographic
2.
The source
of
name of
epicenter
Lamont-Doherty
University
of
the
event.
determination
Geological
Observatory
Connecticut
Weston Observatory
Massachusetts
Institute
Earth
Branch,
Physics
and Resources,
3.
Origin
time
4.
Event
latitude,
5.
6.
7.
Event
longitude,
of
the
Event
component
events
event,
developed
II
relation
8.
Event
are
depth,
although
For the
one source,
EARTHQUAKE
events
that
each of
the
for
the
"vertical
than
of the
one second,
to be consistent
computed
using
within
Nuttli's
MBN.
If
the
the
is
solution
letter
have epicenters
locations
solution.
were computed using
much less
appear
kilometers.
depth,
UTC.
the wave periods
are often
labelled
to a particular
Mines
least-squares
by Nuttli
Magnitudes
network.
the
Most magnitudes
Lg wave";
Energy,
~'est.
of
the computed magnitudes
the
of
north.
error
in Table
Dept.
hours-minutes-seconds,
degrees
magnitudes.
the relation
Technology
Canada
degrees
Root-mean-square
of
R is
was restrained
appended
determined
by more than
listed.
DATA
The station
arrival
times
and amplitudes
used for
epicenter
6.
and magnitude
calculations
the
information
the
additional
already
Station
2.
Emergent
in
Table
in Table
III
or impulsive
(E)
PG, p* , PN,
of
polarity
is
3.
Station
4
Epicentral
S,
SG, S*,
first
motion
III,
is
as well
The format
II.
as
for
as follows:
arrival
time,
one epicenter
listed
generally
is
signal
wave).
in
also
seconds,
included
(C),
in
of
All
system
is
if
dilation
impulsive,
the
system
(D)
or
nodal
UTC.
For those
events
the
epicenter
first
having
distances.
motion,
amplitude
for
by phase type:
the phase
reported,
maximum recorded
Period,
If
used for
ground
(Rayleigh
SN.
kilometers.
more than
Peak-to-peak
followed
hour-minute-second,
distance,
is
(I),
compression
known:
been corrected
6.
in Table
code.
direction
5.
listed
included
information
1.
P,
are
millimicrons,
the
of the
vertical-component
reported
amplitudes
have
response.
of the wave from which
amplitude
was measured.
7.
Nuttli
magnitude
as computed
from
the
amplitude,
period
and distance.
SUSPECTED AND POORLY LOCATED EARTHQUAKES
In addition
events
being
the
were detected
earthquakes
an acceptable
in
to
Table
IV,
which
or not
computer
which
earthquakes
could
listed
not
has the
This
same format
Table
be definitely
enough arrivals
solution.
in
II,
identified
were detected
class
of events
as Table
eight
III.
as
to allow
is
listed
(X).
N:>rth Iati 'bode, degr~
0
CX)
V
0
0
toV
CD
V
0
It)
V
0
V
V
0
C\J
V
0
~
V
0
V
0
0
V
0
V
to
0
<D
<D
0
CX)
<D
0
0
r0II)
I
'0
,
o
f
~
o
C\J
r0-
V
ro-
0
CD
t-
0
a>
,...
01
ml
Figure 1. SeiSllic stations ~ating
Ck:tober
- ~r
1976.
during the I:eriod
0
0
m
It)
a>
~
North
0
0
v
t"V
m
0
(0
V
Latitude,
0
0
In
V
V
q-
degrees
0
C\J
V
~
q-
0
0
V
0
V
the
period
0
V
(D
0
<D
<D
0
a>
CD
CI2
Q)
Q)
~
C'I
Q)
'0
,
Q)
'0
='
4J
orof
C'I
=
0
H
oI.J
U)
Q)
~
0
0
,0
C\J
,0
V
,
0
w
roo.
0
m
~
0
0
CO
Figure 2.
Earthquake
October
-
epicenters
during
December 1976
0
0')
r<)
0
CD
~
North
Latitude,
degrees
co
Q)
Q)
H
~
11)
'0
,
Q)
'0
~
.IoJ
.,of
~
~
0
H
~
CO
Q)
~
Figure
3.
Earthquake
October
epicenters
1975
-
during
December
the period
1976.
TABLE
I
LIST OF OPERATING SEISMIC STATIONS BY STATE
OCTOBER- DECEMBER1976
STA
ID
LATITUDE
DGMNSEC
LONGITUDE
DGMNSEC
ELEVATION
METERS
OPERATOR
CONNECTICUT
APT
BCT
BPT
ECT
HDM .
TMT
OCT
41 1857
41 2936
41 1319
41 5004
41 2908
41 4841
41 4954
5 N
N
5 N
7 N
8 N
N
N
720350.0
732302.
731432.
732440.8
723123.6
724756.
W
W
W
W
W
W
721502. W
3
69
83
342
24
290
149
STORRS, CT
UCT
UCT
UCT
UCT
UCT
OCT
OCT
NEWARK, DE
DGS
AVERY POINT, CT
BROOKFIELD CENTER, CT
BRmGEPORT, CT
ELLSWORTH, CT
HADDAM, CT
TALCOTT MOUNTAIN, CT
DELAWARE
NED
394215.2
N
754229.5
W
46
470454.
465557.
470330.8
470749.3
470515.2
444421.
451437.0
441534.9
N
N
N
N
N
N
N
N
690124.
680715.
690556.2
690908.8
691007.4
W
W
.W
W
W
216
250
305
402
259
20
140
113
ALLAGASH, ME
WES
CARIBOU, ME
WES
DICKEY, ME
WES
DICKEY, ME (KELLY l-rIN.)
WES
DICKEY, ME (BROWNSEROOK) WES
EAST l-tACHIAS, ~IE
WES
MILO, ME
WES
TURNER, ME
WES
27
52
15
180
60
88
DUXBURY, MA
FALL RIVER, MA
GLOUCESTER',MA
HARVARD, MA
WESTON, MA
WESTFORD, MA
HIT
WES
HIT
HIT
WES
HIT
472
290
24
300
180
215
400
280
659
215
220
BERLIN, NH
CENTER SANDWICH, NH
DURHAM, NH
GOE HILL, NH
HANOVER, NH
LACONIA, NH
MOULTON
BOROUGH
, NH
OAKHILL, CONCORD,NH
PITCHER MOUNTAIN, h"H
WOLFEBORO,NH
WHITEFACE. NH
WES
WGE
MIT
WGE
WES
WGE
WGE
MIT
MIT
WGE
MIT
MAINE
AGM
CBH
DIA*
D2A*
D3A*
EHK
HIM
TRM
672922.
W
690225.0
701518.3
W
W
420407.
N 704604.
414300.0
423825.
423023.
422304.9
423638.
N
N
N
N
N
w
w
MASSACHUSETTS
DUX
FLR
GLO
HRV
WES
WFK
710717.5
704338.
713330.
711919.5
712926.
W
W
W
W
NEW HAMPSHIRE
BNH
CSNH*
DNH
GHNH*
HNH
LANH*
MBNH*
ONH
PNH
WBNH*
WNB
443526.
434857.6
430721.
435212.0
434219.
433527.6
434337.2
431645.
430539.
433614.4
435206.
N 711523.
N
N
N
N
N
N
N
N
N
N
712743.2
705341.3
710708.4
721708.
712924.0
711919.2
713020.
720809.
W
W
W
W
W
W
W
W
W
710556.4
W
712359.
W
Page 2 of 3
STA
ID
TABLE I
LIST OF OPERATING SEISMIC STATIONS BY STATE
OCTOBER- DECEMBER1976
LATITUDE
LONGITUDE
ELEVATION
DGMNSEC
DGMNSEC
METERS
OPERATOR
NEW JERSEY
GPD
OGD
PQN
410103.6
N
410515.0 N
742739.0 W
GREENPOND,NJ
OGDENSBURG,NJ
PAHAQUARRY, NJ
LDO
LDO
LDO
ADAMS,NY
LDO
743545.0
750509.0
W
W
360
-363
229
760710.8
774749.8
755540.8
742949.2
W
W
W
W
137
671
122
564
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
329
579
585
381
549
500
448
701
91
177
238
261
561
602
598
152
AIRPORT HANGAR, BLUE MIN, LDO
NY
LDO
BANGOR, NY
CRYSTAL LAKE, NY
LDO
LDO
CASTLE ROCK, NY
LDO
DERSAM, NY
LDO
EAGLE'S NEST, NY
LDO
HAMILTON, NY
MERCHANTSHILL, NY
LDO
LDO
OVERCASTLEROCK, NY
LDO
PALISADES, NY
LDO
PLATTSBURG, NY
LDO
POTSDAM, NY
LDO
TABLEROCK, NY
LDO
UTOWANALAKE, NY
LDO
WINDHAM, NY
LDO
WILMINGTON, NY
WARD POUNDRIDGE, NY
LDO
w
w
w
w
w
w
w
w
w
w
w
w
w
134
183
27
67
150
110
BLUM, NY
CALLS HOLLOWROAD, NY
DUNDERBURG
MOUNTAIN, NY
DELLI PAOLI, NY
GOBBELET, NY
GIRL SCOUT CAMP, NY
212
30
168
165
125
152
OSBORN, NY
STONEY POINT, NY
ST. PETERS SCHOOL, NY
SCHERMAN, NY
STILES, NY
WEGEL, NY
410026.4
N
ADN
ALF
ALX
APH
435000.0
421331.2
441921.0
N
N
N
435028.8
N
BGR
CLY
CTR
DNY
EGN
HNY
~IRH
444931.8 N 742243.8
NEW YORK
OCN
PAL
PNY
PTR
TBR
UWL
WND
WNY
WPR
BLM*
CHR*
DBM*
DPL*
GOB*
GSC*
IPS*
OSB*
SNP*
SPS*
SRM*
STL*
WGL*
435104.8
435227.0
425010.8
435134.1
424954.6
425021.0
435305.4
410015.0
445003.0
443421.0
410830.0
435016.2
422015.0
442327.6
N
N
411516.8
N
742656.4
742736.0
781007.8
742854.6
753053.4
781424.0
743145.6
735433.0
733318.0
745858.2
741320.0
743236.0
740909.0
735134.2
733508.4
411947.
411229.
411740.
411510.
411946.
411558.
411602.
412137.
411427.
411807.
411342.
411119.
412132.
N
N
N
N
N
N
N
N
N
N
N
N
N
735718.
741316.
735830.
735439.
735519.
740014.
735654.
735526.
735816.
735326.
740050.
740013.
735358.
N
N
N
N
N
N
N
N
N
N
N
N
ALFRED, NY
ALEXANDER BAY,
LDO
NY
LDO
CON
CON
CON
CON
CON
CON
CON
CON
CON
CON
CON
CON
CON
Page 3 of 3
TABLE
I
LIST OF OPERATING SEISMIC STATIONS BY STATE
OCTOBER- DECEMBER1976
STA
ID
LATITUDE
DGMNS
EC
LONGITUDE
DGMNS
EC
ELEVATION
METERS
OPERATOR
PENNSYLVANIA
BVR
ERI
MLV
PHI
SCP
4042
4208
395930.
4001
404142.0
W
W
W
713024.
w
730248.
723600.
730845.
730154.
731052.
w
w
w
W
271
402
85
2. W
134
W
W
STATE COLLEGE, PA
PSU
PSU
PSU
PSU
PSU
LAFAYETTE, RI
UCT
ST. ALBANS, VT
BARRE, VT
COLCHESTER, VT
ESSEX JUNCTION, VT
MIDDLEBURY, VT
LDO
LDO
LDO
LDO
LDO
BEAVER, PA
ERIE, PA
MILLERSVILLE,
ABINGTON, PA
N 8020
N 7959
N 7622
N 7508
N 775154.0
352
PA
RHODE ISLAND
LAF
413403.
N
40
VERMONT
ALV
BRV
COV
ESJ
MDV
4447~~o. N
4412~10. N
4434~19.1 IN
4431] L2. N
4359~.7.
N
.STATION CODES NOT SUBMITTED TO OR APPROVEDBY THE NEIC.
OPERATOR. CODE
CON DGS LDO KIT PSU UCT WES \iGE -
CONSOLIDATED-EDISON, INDIAN POINT, NEWYORK
DELAWAREGEOLOGICAL SURVEY
LAMONT-DOHERTYGEOLOGICAL OBSERVATORYOF COLUMBIA UNIVERSITY
MASSACHUSETTSINSTITUTE OF TECHNOLOGY
PENNSYLVANIA STATE UNIVERSITY
UNIVERSITY OF CONNECTICUT
WESTONOBSERVATORYOF BOSTONCOLLEGE
WESTONGEOPHYSICAL ENGINEERS
TABLE II
EPICENTER LIST
NORTHEASTERNUNITED STATES
AND ADJACENT REGIONS
OCTOBER DECEMBER1976
-
SOURCE
H-TIME (UTC)
DR !om SEt
LATITUDE
DEG
LONGITUDE
DEG
RMS
SEt
MAGNITUDE
LAKE, NEWYORK
01 OCT
*LDO
BLUE MOUNTAIN
03 OCT
*LDO
NEW YORK-CANADA BORDER
03 OCT
*LDO
BLUE ~roUNTAIN LAKE,
04 OCT
*LDO
BLUE .fOUNTAIN
05 OCT
*LDO
BLUE
43.86 N
74.48 W
05 OCT
*WES
DOVER-FOXCROFT,MAINE
08 23 04.5
45.19 N
69.15 W
O.70SEC MBN-l.7
06 OCT
*WES
NEAR HILLINOCKET. MAINE
11 08 54.2
45.62 N
69.09 w
O.60SEC
06 OCT
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
01 OCT
*LDO
BLUE MOUNTAIN LAKE,
07 OCT
*LDO
BLUE MOUNTAIN
10 OCT
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
15 22
43.86 N
74.48
12 OCT
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
17 OCT
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
05 40
43.86 N
74.48
17 OCT
*LDO
BLUE
17 OCT
*LDO
BLUE MOUNTAIN LAKE.
02 59
43.86 N
07 OS 03.2
10 16
44.99 N
MOUNTAIN
23 31
12 59
13 07
16 25
MOUNTAIN
12 43
13 31
14.14 W
O.17SEC
MBN-2.2
0
MBN < 1
74.48 W
LAKE, NEW YORK
43.86 N
03 41
MBN < 1
74.48 W
NEW YORK
43.86 N
15 55
DEPTH
KM
MBN < 1
74.48 W
LAKE. NEW YORK
MBN < 1
MBN-2.1
74.48 W
MBN < 1
NEWYORK
43.86 N
74.48 W
MBN < 1
43.86 N
LAKE, NEW YORK
43.86 N
43.86 N
74.48 W
MBN <1
W
MBN < 1
74.48 W
MBN < 1
W
MBN < 1
LAKE, NEW YORK
43.86 N
74.48 W
NEWYORK
43.86 N
74.48 W
MBN < 1
MBN < 1
OR
OR
TABLE II
PAGE 2 OF 6
CONTINUED
17 OCT
*LOO
BLUE MOUNTAIN LAKE, NEW YORK
13 33
43.86N
74.48W
17 OCT
*LDO
BLUE
17 OCT
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
15 22
43.86N
74.48W
20 OCT
*LDO
LYON MOUNTAIN, NEW YORK
23 42 08.4
44.69N
23 OCT
SAINT
*EPB
*WES
20 58 18.0
23 OCT
SAINT
*EPB
*WES
21 22
21 22 37.5
23 OCT
SAINT SIMEON, QUEBEC AFTERSHOCK
*EPB
*WES
21 23
21 23 07.8
23 OCT
SAINT SIMEON,QUEBEC AFTERSHOCK
*EPB
*WES
21 53
21 53 13.2
MOUNTAIN LAKE, NEW YORK
13 36
43.86W
74.48W
73.89W
MBN < 1
~..BN < 1
MBN < 1
O.12SEC MBN=2.8
SIMEON, QUEBEC(FELT:LA
~mLBAIE TO MADAWASKA,~~INE)
47.79N
69.79W
0.9 SEC MBN=4.4
20 58 17.1
47.85N
69.79W
0.66SEC
1
OR
SIMEON, QUEBEC AFTERSHOCK
47.79N
47.81N
69.79W
69.75W
O.14SEC MBN=1.9
OR
O.48SEC MBN=3.0
OR
69.79W
69.70W
O.34SEC MBN=1.6
OR
23 OCT
*WES
SAINT SIMEON,QUEBECAFTERSHOCK
22 07 09.0
47.85N
69.59W
O.O8SEC MBN=1.8
OR
24 OCT
*WES
SAINT SIMEON,QUEBECAFTERSHOCK
01 59 09.4
47.83N
69.70W
O.18SEC MBN=1.6
OR
24 OCT
*EPB
*WES
SAINT
69.84W
69.81W
0.0 SEC MBN=3.6
0.65SEC MBN=3.3
OR
24 OCT
*EPB
*WES
SAINT SIMEON, QUEBEC AFTERSHOCK
11 22
47.79N
69.79W
11 22 06.4
47.79N
69.76W
O.17SEC MBN=1.8
OR
24 OCT
*WES
SAINT SIMEON, QUEBEC AFTERSHOCK
18 11 19.1
47.77N
69.89W
O.19SEC MBN=2.0
OR
27 OCT
SAINT SIMEON, QUEBEC AFTERSHOCK
*EPB
*WES
02 23
02 23 19.4
O.79SEC MBN=1.7
OR
47.79N
47.83N
47.79N
47.83N
69.79W
69.68W
SIMEON, QUEBEC AFTERSHOCK
10 49 45.0
10 49 46.3
47.82N
47.78N
47.79N
47.75N
69.79W
69.79W
'J'ABLE II
PAGE 3 OF 6
CONTINUED
27 OCT
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
05 57
43.86N
74.48W
~N < 1
27 OCT
*LDO
BLUE MOUNTAIN LAKE I NEW YORK
06 49
43.86N
74.48W
MBN < 1
27 OCT
*LOO
BLUE MOUNTAIN LAKE,NEW YORK
10 34
43.86N
74.48W
MBN < 1
28 OCT
*LDO
DENVILLE,NEW JERSEY FORESHOCK
01 10
40.89N
74.49W
MBN < 1
28 OCT
*LDO
DENVILLE
74.49W
O. 07SEC MBN < 1
28 OCT
*LDO
DENVILLE,NEW JERSEY
06 47
40.89N
74.49W
MBN < 1
30 OCT
*LOO
BLUE MOUNTAIN LAKE, NEW YORK
18 07
43.86N
74.48W
MBN < 1
31 OCT
*WES
SAINT SIMEON,QUEBEC
04 23 13.7
47.80N
O.SlSEC MBN=2.2
OR
01 NOV
*WES
SAINT SIMEON,QUEBEC AFTERSHOCK
O.36SEC MBN=2.3
17 51 26.1 47.S2N
69.5SW
OR
OJ NOV
*LOO
BLUE MOUNTAIN
OS NOV
.WES
SAINT SIMEON,QUEBEC AFTERSHOCK
O.23SEC MBN=2.2
11 40 24.8 47.79N
69.72W
OS NOV
*LDO
RAQUETTE
08 NOV
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
17 36
43.86N
74.48W
10 NOV
*WES
SAINT
14 NOV
*LOO
BLUE MOUNTAIN
15 NOV
*WES
LACONIA,
17 NOV
*LOO
BLUE MOUNTAIN LAKE,NEW YORK
07 07
43.86N
74.48W
MBN <1
17 NOV
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
11 51
43.86N
74.48W
MBN <1
,NEW JERSEY
01 13 31.7
40.89N
17 40
AFTERSHOCK
69.85W
LAKE, NEW YORK
43.86N
0
MBN < 1
74.48W
OR
LAKE, NEW YORK
18 07 48.7 43.79N
74.59W
SIMEON, QUEBEC AFTERSHOCK
47.78N
70.22W
04 05 06.1
06 05
O.27SEC MBN=2.1
43.56N
71.62W
OR
MBN < 1
74.48W
NEWHAMPSHIRE
8.7
MBN < 1
LAKE, NEW YORK
43.86N
15 20 37.5
O.lOSEC
OR
O.45SEC
TABLE II
PAGE 4 OF 6
CONTINUED
19 NOV
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
22 NOV
*LDO
NORTH EASTERN YONKERS,NEWYORK(FELT)
04 43 13.4
41.00N
73.86W
0.13SEC MBN=1.9
22 NOV
*LDO
BLUE MOUNTAIN LAKE,NEW YORK
06 28
43.86N
74.48W
22 NOV
.WES
LACONIA,NEWH~WSHIRE
71.60W
O.18SEC MBN=1.8
23 NOV
*LDO
BLUE MOUNTAIN LAKE,NEW YORK
18 57
43.86N
74.48W
MBN < 1
24 NOV
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
10 40
43.86N
74.48W
MBN < 1
25 NOV
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
01 14
43.86N
74.48W
MEN < 1
25 NOV
*LDO
BLUE MOUNTAIN LAKE I NEW YORK
25 NOV
*LDO
BLUE MOUNTAIN LAKE
14 29
43.86N
26 NOV
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
06 59 02
43.86N
74.48W
MBN < 1
26 NOV
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
06 59 41
43.86N
74.48W
MBN < 1
28 NOV
*LDO
BLUE MOUNTAIN LAKE ,NEW YORK
21 30
43.86N
74.48W
MBN < 1
28 NOV
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
23 58
43.86N
14.48W
MBN < 1
01 DEC
*LDO
BETWEEN POTSDAM AND MAS SENA, NEW YORK
18 51 44.0
44.89N
74.82W
0.21SEC
MBN=2.1
03 DEC
*LDO
NEAR OGDENSBURG, NEW YORK
08 13 18.7
44.77N
75.44W
O.28SEC MBN=1.6
4.4
05 DEC
*LDO
SCHOOLEY'S
16 32 06.9
(FELT)
O.O7SEC MBN=1.8
3.4
07 DEC
*LDO
SCHOOLEY'S MOUNTAIN,NEW JERSEY
O.OSSECMBN=1.7
5.1
~8 15
2249
05
~3.86N
38.0
01
04 55 07.2
74.48W
43.S4N
43.86N
I
5
OR
MBN < 1
NEW YORK
74.48W
74.76W
< 1
MBN <
74.48W
MOUNTAIN,NEW
JERSEY
40.77N
74.76W
40.77N
.MEN
MBN < 1
0
';l'ABLE II
CONTINUED
PAGE 5 OF 6
07 DEC
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
07 DEC
*LOO
SOUTH OF POTSDAM, NEW YORK
23 59 30.2
44.43N
75.07W
09 DEC
*LOO
BLUE MOUNTAIN LAKE, NEW YORK
04 06
43.86N
74.48W
MBN < 1
11 DEC
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
00 44
43.86N
74.48W
MBN < 1
14 DEC
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
10 20
43.86N
74.48W
MBN < 1
14 DEC
*WES
NEAR DICKEY,MAINE
15 DEC
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
23 09
43.86N
74.48W
16 DEC
*WES
NEAR DICKEY, MAINE
17 DEC
*UCT
SOUTHEASTERN CONNECTICUT (HEARD)
23 DEC
*WES
BRISTOL, NEW BRUNSWICK
25 DEC
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
02 44
43.86N
74.48W
MBN < 1
25 DEC
*LOO
BLUE ~OUNTAIN LAKE, NEW YORK
02 47
43.86N
74.48W
MBN < 1
26 DEC
*LDO
BLUE MOUNTAIN LAKE I NEW YORK
~5 13
12 23 35.4
17 26 12.4
10 30 51.6
09 25 06.8
43.86N
47.10N
47.12N
41.41N
46.58N
MBN < 1
74.48W
O.llSEC
MBN=1.5
(HEARD)
69.13W
69.17W
12.01W
67.4SW
O.OSSEC
O.O9SEC
OR
O.21SEC MBN=2.4
OR
29 DEC
*LDO
NEAR BURLINGTON I VERMONT
00 02 54.7
44.42N
73.14W
O.24SEC MBN=1.7
30 DEC
*LOO
BLUE MOUNTAIN LAKE,NEW YORK
07 06
43.86N
74.48W
MBN < 1
30 DEC
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
22 01
43.86N
74.48W
MBN < 1
31 DEC
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
OS 36
43.86N
74.4SW
MBN < 1
43.86N
OR
0.215EC MBN=2.2
MBN < 1
13
OR
MBN < 1
74.48W
02
2.4
1
TABLE II
31 DEC
*LOO
CONTINUED
BLUE MOUNTAIN LAKE, NEW YORK
21 26
43.86N
74.48W
*SOURCE
DGS
DELAWARE GEOLOGICAL SURVEY
EPB
LDO
HIT
PSU
UCT
WES
PAGE 6 OF
6
MBN < 1
- EARTH PHYSICS BRANCH, DEPT. OF ENERGY, MINES AND RESOURCES, CANADA
- LAMONT-DOHERTYGEOLOGICAL OBSERVATORYOF COLUMBIA UNIVERSITY
-- MASSACHUSETTS
INSTITUTE OF TECHNOLOGY
PENNSYLVANIA STATE UNIVERSITY
-- WESTON
UNIVERSITY OF CONNECTICUT
OBSERVATORY OF BOSTON COLLEGE
'l'ABLE III
EARTHQUAKE DATA LIST
NORTHEASTERN UNITED STATES
AND ADJACENT REGIONS
OCTOBER - DECEMBER 1976
SOURCEH-TIME(UTC)
HR MN SEC
LATITUDE
DEG
LONGITUDE
DEG
RMS
SEC
BLUE MOUNTAIN LAKE, NEW YORK
01 OCT
02 59
43.86N
74.48W
*LOO
03 OCT
NEW YORK-CANADA
*LDO
07 05 03.2
44.99N
PTN IP D 07 05 11.2
PTN ES
07 05 17.4
WNY EP
07 05 18.2
WNY ES
07 05 29.9
ALX EP
07 05 22.0
ALX ES
07 05 35.9
CTR EP
07 05 22.6
CTR ES
07 05 37.9
BORDER
74.74W
50KM
50KM
96KM
96KM
120KM
120KM
126KM
126KM
MAGNITUDE DEPTH
KM
MBN
O.17SEC
MBN=2.2
.
< 1
03 OCT
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
10 16
43.86N
74.48W
MBN
04 OCT
*LOO
BLUE MOUNTAIN LAKE, NEW YORK
15 55
43.86N
74.48W
MBN < 1
05 OCT
*LOO
BLUE MOUNTAIN LAKE, NEW YORK
03 41
43.86N
74.48W
MBN < 1
05 OCT
DOVER-FOXCROFT,MAINE
*WES
08 23 04.5 4s.19N
69.1sW
MIM EPG
MIM ESG
TRM EP*
TRM EPG
TRM EPN
TRM ES*
EMM ESN
BNH ESG
CBM ESG
WNH EP
WNH ES
06 OCT
08
08
08
08
08
08
08
08
08
08
08
23
23
23
23
23
23
23
23
24
23
24
05.4
07.7
26.2
27.4
28.4
41.8
43.6
55.4
03.8
41.7
08.3
MIM ESG 11 09 05.2
11 09 20.1
11 09 39.7
D3A EPN 11 09 20.2
O.70SEC
MBN=1.7
13MU 0.8 SEC
MBN=1.74
lOMU 0.7 SEC
MBN=1.70
NEARMILLINOCKET,MAINE
*WES
11 08 54.2
45.62N
MIM EPG 11 09 01.1
EMM EPG
EMM ESG
10KM
10KM
136KM
136KM
136KM
136KM
140KM
180KM
209KM
232KM
232KM
69.0~
41KM
O.60SEC
MBN=2.1
0.8 SEC
MBN=2.28
41KM
159KM
159KM
164KM
39MU
0
OR
OR
PAGE 2 OF 13
CONTINUED
TABLE III
SOURCEH-TIME(UTC)
CBM EPN
CBM ESG
D2A EPN
D2A ESG
TRM EPN
TRM EPG
TRM ESG
BNH EPG
BNH ESG
WNH E (8)
11
11
11
11
11
11
11
11
11
11
09
09
09
09
09
09
09
09
09
10
LATITUDE LONGITUDE
20.8
42.0
21.1
41.3
21.5
22.9
45.3
27.2
53.2
12.4
164KM
164KM
169KM
169KM
177KM
177KM
177KM
20SKM
20SKM
267KM
RMS
13MU 0.8
MAGNITUDE
SEC MBN=1.84
06 OCT
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
23 31
43.86N
74.48W
MBN <1
07 OCT
*LOO
BLUE MOUNTAIN LAKE, NEW YORK
12 59
43.86N
74.48W
MBN <1
07 OCT
*LOO
BLUE MOUNTAIN LAKE,NEW YORK
13 07
43.86N
74.48W
MBN <1
10 OCT
*LOO
15 22
12 OCT
*LDO
16
MOUNTAIN LAKE, NEW YORK
43.86N
74.48W
MBN <1
17 OCT
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
05 40
43.86N
74.48W
MBN <1
BLUE
BLUE
25
MOUNTAIN LAKE, NEW YORK
43.86N
74.48W
MOUNTAIN LAKE, NEW YORK
MBN <1
17 OCT
*LDO
12 43
17 OCT
*LOO
13 31
17 OCT
*LDO
BLUE MOUNTAIN LAKE,NEW YORK
13 33
43.86N
74.48W
MBN <1
17 OCT
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
13 36
43.86N
74.48W
MBN <1
17 OCT
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
15 22
43.86N
74.48W
MBN <1
BLUE
BLUE
43.86N
74.48W
MOUNTAIN LAKE ,NEW YORK
43.86N
74.48W
LYON MOUNTAIN, NEW YORK
20 OCT
*LOO
23 42 08.4
44.69N
73.89W
C 23 42 13.9
33KM
WNY IP
C 23 42 19.5
100KM
ESJ IP
C 23 42 22.0
88KM
PTN IP
MDV EP
23 42 23.1
95KM
DEPTH
MBN <1
MBN <1
O.12SEC MBN=2.8
1
CONTINUED
TABLE III
SOURCEH-TIME(UTC)
CTR
CLY
OCN
APH
BRV
ALX
IP
IP
IP
EP
IP
IP
PAGE 3 OF 13
LATITUQE LONGITUDE
RMS
MAGNITUDE DEPTH
lOlKM
lO3KM
lO3KM
lO6KM
11OKM
167KM
D 23 42 24.3
C 23 42 24.6
C 23 42 24.7
23 42 25.0
C 23 42 26.5
D 23 42 34.4
23 OCT
*EPB
ST.SIMEON,QUEBEC(FELT:LA MALBAIE TO MADAWASKA,ME)
20 58 18.0
47.79N
69.79W
0.9 SEC
MBN=4.4
*WES
20 58 17.1
D2A EpG
D3A EPG
D3A ESG
DlA EPG
CBM EPN
MIM EPN
BNH EPN
BNH EPG
EMM EPN
TRM EPN
WNH EPN
ESJ EPN
BRV EPN
BRV ESN
BRV ESG
WNY EPN
WNY ESN
WNY ESG
DNH EPN
PTN EPN
PTN ESN
PTN ESG
PNH EPN
OCN EPN
CLY EPN
CLY EPG
CLY ESN
CLY ESG
CTR EPN
CTR ESN
CTR ESG
GLO EPN
WFMEPN
HRV EPN
23 OCT
*EPB
*WES
D2A
D2A
D3A
D3A
20
20
20
20
20
20
20
20
20
20
20
20
20
21
21
20
21
21
20
20
21
21
20
20
20
20
21
21
20
21
21
20
20
20
58
58
58
58
58
58
59
59
59
59
59
59
59
00
00
59
00
00
59
59
00
00
59
59
59
59
00
00
59
00
00
59
59
59
47.85N
33.1
33.6
44.4
34.4
43.1
59.2
10.4
19.7
09.5
11.8
17.2
17.8
19.7
06.7
22.7
23.6
17.0
33.5
28.2
30.0
24.2
47.4
31.4
33.5
34.2
51.3
31.9
52.1
34.3
35.2
50.5
34.4
36.7
38.0
69.79W
0.66SEC
OR
94KM
97KM
97KM
103KM
162KM
296KM
380KM
380KM
389KM
401KM
460KM
447KM
460KM
460KM
460KM
497KM
497KM
497KM
533KM
542KM
542KM
542KM
560KM
574KM
573KM
573KM
573KM
573KM
572KM
572KM
572KM
584KM
598KM
610KM
SAINT SIMEON,QUEBEC(AFTERSHOCK)
21 22
47.79N
69.79W
21
EPG
ESG
EPG
ESG
22 37.5
47.81N
21 22 52.0
69.75W
88KM
21 23 02.8
21 22 52.5
21 23 03.5
88KM
92KM
92KM
0.14SEC
MBN=1.9
OR
TABLE III
CONTINUED
SOURCE H-TIME(UTC)
PAGE 4 OF 13
LATITUDE
CIA EPG 21 22 53.5
CIA ESG 21 23 04.9
CBM ESN 21 23 21.0
LONGITUDE
97KM
97KM
157KM
RMS
MAGNITUDE DEPTH
3MU 0.2 SEC MBN=1.91
23 OCT
SAINT SIMEON,QUEBEC (AFTERSHOCK)
*EPB
21 23
47.79N
69.79W
*WES
21 23 07.8 47.83N
69.68W
0.48SEC MBN=3.0
D2A EPG
21 23 22.2
88KM
D2A EP*
21 23 23.1
88KM
D3A EPG
21 23 22.7
92KM
DIA EPG
21 23 23.5
97KM
DIA ESG
21 23 35.4
97KM
CBM EPN
21 23 32.3
155KM
55MU 0.1 SEC MBN=3.32
CBM EP*
21 23 32.8
155KM
CBM ESN
21 23 51.2
155KM
MIM ESN
21 24 19.4
292KM
14MU 0.2 SEC MBN=2.67
TRM ESN
21 24 44.0
400KM
WNH EPN
21 24 09.8
460KM
DNH EPN
2] Z418.3
532KM
23 OCT
*EPB
*WES
D2A
D3A
D3A
DlA
DlA
CBM
SAINT
EPG
EPG
ESG
EPG
ESG
ESN
23 OCT
*WES
22
D2A EPG
D2A ESG
D3A EPG
D3A ESG
DlA ESG
CBM ESN
24 OCT
*WES
SIMEON,QUEBEC
21 53
21 53 13.2
01
D2A EPG
D3A ESG
DlA EPG
DIA ESG
CBM ESN
21
21
21
21
21
53
53
53
53
53
47.79N
47.83N
27.4
28.3
39.8
29.6
40.5
21 53 56.5
(AFTERSHOCK)
69.79W
69.70W
88KM
92KM
92KM
97KM
97KM
156KM
0.34SEC MBN=1.6
SIMEON, QUEBEC (AFTERSHOCK)
47.85N
69.59W
0.08SEC
22 07 23.3
87KM
22 07 33.8
87KM
07 09.0
07
07
07
07
23.9
91KM
34.7
91KM
36.3
51.2
96KM
151KM
OR
2MU 0.2 SEC MBN=1.61
SAINT
22
22
22
22
OR
MBN=1.8
OR
2MU 0.2 SEC MBN=1.77
SAINT SIMEON,QUEBEC (AFTERSHOCK)
59 09.4
47.83N
69.70W
0.18SEC MBN=1.6
01 59 23.7
88RM
01 59 35.7
92RM
01 59 25.5
97RM
01 59 36.8
97KM
01 59 52.6
156KM
2MU 0.2 SEC MBN=1.58
OR
.TABLE III
SOURCE ij-TIME
24 OCT
*EPB
*WES
D2A
D3A
DIA
DIA
CBM
CBM
CBM
MIM
MIM
BNH
EMM
EMM
EMM
TRM
WNH
DNH
DNH
GLO
GLO
FLR
24 OCT
*EPB
*WES
D2A
D2A
D3A
D3A
D1A
DlA
CBM
24 OCT
*WES
D2A
D2A
D3A
D3A
DIA
DlA
CBM
CBM
PAGE 5 OF 13
CONTINUED
(UTC)
LATITUDE
RMS
LONGITUDE
MAGN I TUDE
SAINT SIMEON,QUEBEC (AFTERSHOCK)
10 49 45.0
47.82N
69.84W
0.0 SEC MBN=3.6
10 49 46.3
47.78N
69.81W
0.65SEC MBN=3.3
EPG
EPG
~G
ESG
EPN
EP*
ESN
10
10
10
10
10
10
10
50
50
50
50
50
50
50
01.1
01.6
02.4
13.8
11.1
11.7
29.8
87KM
90KM
95KM
95KM
158KM
158KM
158KM
EPN
10 50 27.3
287KM
ES*
EPN
10 51 04.2
10 50 38.5
287KM
371KM
EPN
10 50 38.1
382KM
ESN
ES*
ESG
EPN
EPN
EP
EPN
ESN
ESG
10
10
10
10
10
10
10
10
10
382KM
382KM
392KM
451KM
524KM
524KM
575KM
575KM
681KM
51
51
51
50
50
51
51
51
52
SAINT
17.5
30.6
38.9
47.8
57.0
00.3
02.7
59.6
59.0
SIMEON,QUEBEC
11 22
11 22 06.4
EPG
ESG
EPG
ESG
EPG
ESG
ESN
11
11
11
11
11
11
11
22
22
22
22
22
22
22
47.79N
47.79N
20.4
30.6
21.3
31.9
21.9
33.6
49.7
3~U
102MU 0.3 SEC MBN=3.46
(AFTERSHOCK)
69.79W
69.76W
86KM
86KM
90KM
90KM
95KM
95KM
156KM
0.17SEC MBN=1.8
4MU 0.2
SIMEON ,QUEBEC (AFTERSHOCK)
EPG
ESG
EPG
ESG
EPG
ESG
18
18
18
18
18
18
34.1
45.1
34.5
45.7
35.6
47.1
EPN
ESN
18 11 44.7
18 12 04.1
11
11
11
11
11
11
47.77N
OR
0.2 SEC MEN=3.l3
SAINT
18 11 19.1
DEPTH
69.89W
SEC
MBN=1.84
0.19SEC MBN=2.0
91KM
91KM
94KM
94KM
100KM
100KM
163KM
163KM
4MU
0.2
OR
SEC MBN=2.02
OR
.TABLE
III
21 OCT.
PAGE 6 OF 13
CONTINUED
SAINT SI~mON,QUEBEC (AFTERSHOCK)
41.19N
69.19W
*WES
02 23 19.4- 41.75N
69.79W
0.19SEC MBN=1.7
D2A EPG 02 23 33.1
84KM
D3A EPG 02 23 33.8
87KM
D3A ESG 02 23 45.3
87KM
D1A EPG 02 23 34.8
93KM
AGMEPG 02 23 33.9
94KM
AGM ESG 02 23 44.9
94KM
CBMEPN 02 23 44.3
156KM
3MU 0.2 SEC MBN=1.72
CBM ESN 02 24 03.2
156KM
*EPB
02 23
21 OCT
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
05 57
43.86N
74.48W
MBN < 1
27 OCT
*LOO
BLUE MOUNTAIN LAKE, NEW YORK
06 49
43.86N
74.48W
MEN < 1
27 OCT
*LOO
BLUE MOUNTAIN LAKE,NEW YORK
10 34
43.86N
74.48W
MBN < 1
28 OCT
*LOO
0110
DENVILLE
,NEW JERSEY
(FORESHOCK)
74.49W
40.89N
28 OCT
OENVILLE,NEWJERSEY
*LDO
01 13 31.7 40.89N
74.49W
GPO IPGO
GPO ESG
TBR EPG
TBR ESG
SRM EPG
SRM ESG
BLM ESG
01
01
01
01
01
01
01
13
13
13
13
13
13
13
34.0
35.7
37.8
42.0
40.8
47.3
50.7
14KM
14KM
36KM
36KM
55KM
55KM
66KM
28 OCT
DENVILLE,NEW
JERSEY
*LOO
06 47
40.99N
30 OCT
*LOO
BLUE MOUNTAIN LAKE,
18 07
43.86N
74.49W
MBN < 1
NEW YORK
74.48W
MBN < 1
31 OCT
SAINT SIMEON,QUEBEC(AFTERSHOCK)
*WES
04 23 13.7 47.80N
69.85W
0.51SEC
D2A EPG
D2A ESG
D3A EPG
D1A EPG
D1A ES*
AGM EPG
CBM EPG
TRM EPG
MIM
04
04
04
04
04
04
04
04
23
23
23
23
23
23
23
24
28.5
39.1
28.8
29.8
43.0
30.6
41.0
18.9
MBN < 1
O.O1SEC MBN < 1
(AFTERSHOCK)
91KM
91KM
95KM
100KM
100KM
102KM
163KM
395KM
291KM
7KU 0.1 SEC
SKU 0.2 SEC
2KU 0.1 SEC
OR
MBN=2.2
MBN=2.30
MBN=2.38
MBN=2.07
0
OR
TABLE III
CONTINUED
PAGE 7 OF 13
01 NOV
SAINT SIMEON,QUEBEC(AFTERSHOCK)
*WES
17'51 26~1 47.82N
69.58W
0.36SEC MBN=2.3
D2A EPG
D2A ESG
D3A EPG
DlA EPG
D1A ESG
AGM EPG
AGM ESG
CBM EPN
CBM ESN
MIM
03 NOV
*LOO
17
17
17
17
17
17
17
17
17
51
51
51
51
51
51
51
51
52
39.8
50.2
40.4
40.9
52.4
41.0
51.5
50.2
07.4
83KM
83KM
87KM
92KM
92KM
92KM
92KM
148KM
148KM
289KM
12MU 0.2
OR
SEC MBN=2.46
3MU 0.2 SEC MBN=2.13
BLUE MOUNTAIN LAKE, NEW YORK
17 40
43.86N
74.48W
MBN <1
05 NOV
SAINT SIMEON,QUEBEC(AFTERSHOCK)
*WES
11 40 24.8 47.79N
69.72W
0.23SEC MBN=2.2
D2A EPG
D2A ESG
D3A EPG
D3A ESG
D1A EPG
D1A ESG
AGM EPG
AGM ESG
11
11
11
11
11
11
11
11
40
40
40
40
40
40
40
40
38.8
49.4
39.2
49.7
40.4
51.8
40.3
51.5
8sKM
8sKM
89KM
89KM
94KM
94KM
9sKM
9sKM
CBMEPN 11 40 49.7
CBMESN 11 41 07.6
MIM
ls4KM
154KM
288KM
8MU 0.2 SEC MBN=2.27
3MU 0.2
05 NOV
RAQUETTE LAKE,NEW YORK
*LDO
18 07 48.7
43.79N
74.59W
OCN IPGD 18 07 50.7
12KM
OCN ESG 18 07 52.6
12KM
CLY IPGD 18 07 51.2
13KM
CLY ESG 18 07 52.8
13KM
CTR IPGD 18 07 51.2
CTR ESG 18 07 52.9
14KM
14KM
08 NOV
*LDO
BLUE
17 36
10 NOV
MOUNTAIN
SEC
MBN=2.0S
O.10SEC
LAKE,NEWYORK
43.86N
OR
8.7
MBN <1
74.48W
SAINT SIMEON,QUEBEC(AFTERSHOCK)
*WES
04 05 06.1
47.78N
70.22W
D2A ESG 04 05 37.1
108KM
D3A EPG
D3A ESG
D1A EPG
D1A ESG
AGMEPG
AGMESG
04
04
04
04
04
04
OS"24.0
05 37.4
05 24.8
05 38.7
05 25.9
05 39.7
111KM
111KM
117KM
117KM
119KM
119KM
CBM ESG
MIM
TRM
04 05 58.5
18sKM
296KM
391KM
0.27SEC
MBN=2.1
6MU 0.3 SEC MBN=2.05
3MU 0.2 SEC MBN=2.11
4MU 0.2 SEC MBN=2.23
OR
TABLE III
14 NOV
*LOO
PAGE 8 OF 13
CONTINUED
BLUE MOUNTAIN.LAKE,NEW YORK
06 05
43.86N
74.48W
15 NOV
LACONIA,NEW HAMPSHIRE
.WES
15 20 31.5
43.56N
11.62W
MBNHEPG 15 20 42.4
31KM
MBNHESG 15 20 46.2
31KM
WNH EPG 15 20 42.4
39KM
CSNHgPG 15 20 42.8
32KM
CSNHESG 15 20 46.8
32KM
GHNHEPG 15 20 46.2
54KM
GHNHESG 15 20 52.6
54KM
HNH EPG 15 20 46.5
56KM
HNH ESG
PNH EPG
DNH ESG
BNH ESG
HRV ESG
WES EPG
WES ESG
TRM EPN
TRM ESG
15
15
15
15
15
15
15
15
15
20
20
20
21
21
21
21
20
21
53.0
41.5
51.5
11.1
09.2
00.0
14.5
58.9.
14.8
MBN < 1
OR
O.4SSEC
56KM
66KM
11KM
118KM
l11KM
133KM
133KM
135KM
135KM
BLUE MOUNTAIN LAKE, NEW YORK
17 NOV
07
07
43.86N
74.48W
*LDO
MBN < 1
BLUE MOUNTAIN LAKE, NEW YORK
17 NOV
11 51
43.86N
74.48W
*LOO
MBN < 1
19 NOV
*LOO
MBN < 1
18
BLUE
15
MOUNTAIN LAKE, NEW YORK
43.86N
74.48W
22 NOV
NORTH EASTERN YONKERS,NEWYORK (FELT)
*LDO
04 43 13.4
41.00N
73.86W
0.13SEC MBN=1.9
PAL IPGC 04 43 14.5
4KM
PAL ESG 04 43 15.5
4KM
SNP IPGC 04 43 18.3
28KM
SNP ESG 04 43 21.8
28KM
DPL IPGD 04 43 18.3
28KM
DPL ESG 04 43 21.8
28KM
IPS IPGC 04 43 18.6
31KM
IPS ESG 04 43 22.4
31KM
SPS IPGC 04 43 19.1
34KM
SPS ESG 04 43 23.3
34KM
DBM EPG 04 43 19.2
34KM
DBM ESG 04 43.23.4
34KM
TBR EPGX 04 43 19.3
34KM
TBR ESGX 04 43 23.6
34KM
GOB IPGC 04 43 19.5
37KM
GOB ESG 04 43 24.5
37KM
WPR EPG 04 43 19.6
36KM
WPR ESG 04 43 23.8
36KM
GPD IPGD 04 43 21.7
50KM
GPD ESG 04 43 27.8
BPT EPGX04 43 22.8
BPT ESG 04 43 29.7
50KM.
57KM
57KM
5
TABLE III
BCT
BCT
ECT
ECT
PAGE 9 OF
CONTINUED
JPGC
EgG
IPGC
EgG
,04
04
04
04
43
43
43
43
24.4
32.7
29.7
41.3
68KM
6'8KM
lOOKM
lOOKM
22 NOV
BLUE MOUNTAIN LAKE, NEW YORK
*LDO
06 28
43.86N
74.48W
MBN < 1
22 NOV
LACONIA,NEW HAMPSHIRE
*WES
22 49 38.0
43.54N
71.60W
O.18SEC MBN=1.8
*MIT
43.53N
71.58W
30KM
ONH EPG 22 49 42.8
MBNHEPG 22 49 43.0
30KM
MBNHESG 22 49 46.8
30KM
CSNHEPG 22 49 43.4
32KM
CSNHESG 22 49 47.3
32KM
WBNHEPG 22 49 44.4
41KM
WBNHESG 22 49 49.6
41KM
WNH EPG 22 49 44.6
40KM
WNH ESG 22 49 49.2
40KM
GHNHEPG 22 49 46.8
53KM
GHNHESG 22 49 53.1
53KM
HNH EPG 22 49 47.6
58KM
HNH ESG 22 49 54.4
58KM
PNH EPG 22 49 48.7
66KM
PNH ESG 22 49 56.6
66KM
DNH EPG 22 49 50.3
74KM
DNH ESG 22 49 58.3
74KM
WFM EP
22 49 56.0
104KM
WFM EP
22 50 08.0
104KM
HRV EP
22 49 58.0
115KM
HRV EP
22 50 11.0
115KM
BNH ES*
22 50 11.9
120KM
GLO EP*
22 49 59.4
123KM
GLO ES*
22 50 12.4
123KM
WES EP
22 50 00.2
5MU 0.2 SEC MBN=1.85
131KM
WES ES*
22 50 14.6
131KM
TRM EP*
22 50 00.1
134KM
TRM ES*
22 SO 15.8
134KM
MIM
278KM
2MU 0.2 SEC MBN=1.82
MOUNTAIN LAKE, NEW YORK
23 NOV
*LDO
18 57
24 NOV
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
10 40
43.86N
74.48W
MBN <1
25 NOV
*LDO
BLUE MOUNTAIN LAKE,NEW YORK
01 14
43.86N
74.48W
MBN <1
25 NOV
BLUE MOUNTAIN LAKE, NEW YORK
05 01
43.86N
74.48W
*LDO
MBN <1
BLUE
13
43.86N
74.48W
MBN <1
OR
TABLE III
PAGE 10 OF 13
CONTINUED
25 NOV
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
14 29
43.86N
74.48W
MBN < 1
26 NOV
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
06 59 02
43.86N
74.48W
MBN < 1
26 NOV
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
06 59 41
43.86N
74.48W
MBN < 1
28 NOV
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
21 30
43.86N
74.48W
MBN <
28 NOV
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
23 58
43.86N
74.48W
MBN < 1
01 DEC
BETWEEN POTSDAM
*LDO
18 51 44.0
44.89N
BGR EPGX 18 51 49.7
BGR ESG
18 51 54.3
PTN IPGD
18 51 50.7
PTN ESG
18 ~1 54.6
PNY IPC
18 51 59.5
PNY ES
18 52 11.9
ALX IP C 18 52 01.0
ALX ES
18 52 13.9
OCN IP C 18 52 01.8
CTR IP C 18 52 02.1
CTR ES
18 52 16.1
UWL IP C 18 52 02.4
EGN ES
18 52 16.5
CLY ES
18 52 17.0
03 DEC
*LDO
AND MASSENA,NEW YORK
74.82W
0.21SEC
43KM
43KM
38KM
38KM
100KM
100KM
108KM
108KM
114KM
117KM
117KM
119KM
118KM
119KM
NEAROGDENSBURG,NEW
YORK
08 13 18.7 44.77N
75.44W
PTN EPG
PTN ESG
ALX IPGC
ALX ESG
BGR ES
ADN EP
ADN ES
CTR EP
CTR ES
08
08
08
08
08
08
08
08
08
13
13
13
13
13
13
13
13
13
25.1
29.8
28.5
35.7
41.7
36.9
50.4
38.5
53.2
1
MBN=2.1
O.28SEC MBN=1.6
0
4.4
42KM
42KM
63KM
63KM
85KM
117KM
117KM
127KM
127KM
OS DEC
SCHOOLEY'S MOUNTAIN,NEWJERSEY (FELT)
O.O7SEC
*LDO
16 32 06.9
40.77N
74.76W
GPD EPGX 16 32 13.2
37KM
GPD ESG
16 32 17.7
37KM
paN EPGD 16 32 13.3
38KM
paN ESG
16 32 18.2
38KM
TBR EPG
16 32 17.2
61KM
TBR ESG
16 32 24.3
61KM
MBN=1.8
3.4
TABLE III
07 DEC
*LDO
SCHOOLEY'SMOUNTAIN,NEW
JERSEY
04 55 07.2
40.77N
74.76W
0.05SEC
GPD IPGD
GPD ESG
PQN IPGD
PQN ESG
TBR ESG
07 DEC
*LDO
rAGE 11 OF 13
CONTINUED
04
04
04
04
04
55
55
55
55
55
13.6
18.0
13.7
18.6
24.5
BLUE MOUNTAIN LAKE,NEW YORK
15 13
43.86N
74.48W
07 DEC
*LDO
PTN
PTN
ALX
ALX
CTR
CTR
MBN=1.7
SOUTH OF POTSDAM, NEW YORK
23 59 30.2
44.43N
75.07W
IPGD 23 59 33.0
17KM
ESG
23 59 35.1
17KM
EPG
23 59 41.4
69KM
ESG
23 59 49.0
69KM
EPG
23 59 42.4
79KM
ESG
23 59 51.6
79KM
MBN < 1
O.llSEC
MBN=1.5
09 DEC
*LOO
04
BLUE
06
MOUNTAIN LAKE
43.86N
NEW YORK
74.48W
MBN < 1
11 DEC
*LDO
00
BLUE
44
MOUNTAIN LAKE,NEW YORK
43.86N
74.48W
MBN < 1
14 DEC
*LDO
BLUE MOUNTAIN LAKE,
10 20
4386N
I
NEW YORK
74.48W
14 DEC
DICKEY MAINE (HEARD)
.WES
12 23 35.4 47.10N
69.13W
D3A EPG
12 23 36.0
3KM
D3A ESG
12 23 36.2
3KM
D2A EPG
12 23 36.0
4KM
DlA EPG
12 23 36.3
SKM
15 DEC
*LDO
16 DEC
*WES
D2A
D3A
DlA
AGM
AGM
MBN < 1
O.OSSEC
BLUE MOUNTAIN LAKE, NEW YORK
23 09
43.86N
74.48W
DICKEY,MAINE
17 26 12.4
47.12N
EPG
17 26 12.7
EPG
17 26 12.8
EPG
17 26 13.7
EPG
17 26 14.4
ESG
17 26 15.6
5.1
37KM
37KM
38KM
38KM
61KM
69.17W
2KM
3KM
8KM
12KM
12KM
MBN <
O.O9SEC
1
OR
TABLE I II
CONTINUED
17 DEC
* OCT
SOUTHEASTERN CONNECTICUT(HEARD)
10 30 57.6
APT EPG
APT ESG
HDM EPG
HDM ESG
OCT EPG
OCT ESG
LAP EPG
LAF ESG
TMT EPG
FLR EPG
FLR ESG
BPT EP*
BPT ES*
BCT EP*
BCT ES*
ECT EP*
WES EPG
WES ES*
23 DEC
*WES
AGM
AGM
DIA
DlA
D3A
D3A
D2A
D2A
MIM
MIM
TRM
PAGE 12 OF 13
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
41.47N
31 00. 3
31 02.4
31 03.8
31 08.0
31 04.7
31 09.5
31 05.2
31 11.2
31 09.3
31 11.3
31 21.5
3114.9
31 25.9
31 15.7
31 28.7
31 17.2
31 18.2
31 31.1
72.07W
17Y,.M
17KM
38KM
38KM
43KM
43KM
48KM
48KM
72KM
84KM
84KM
102KM
102KM
110KM
110KM
119KM
119KM
119KM
BRISTOL,NEW BRUNSWICK
09 25 06.8
46.58N
67.45W
EP*
ES*
EP*
ES*
EP*
ES*
EP*
ES*
EPG
ESG
0.27SEC
MBN=2.2
O.21SEC MBN=2.4
09 25 28.3
09 25 44.3
133KM
133KM
09 25 29.2
137KM
14MU 0.2 SEC MBN=2.50
09
09
09
09
09
09
09
137KM
143KM
143KM
144KM
144KM
193KM
193KM
I1MU
25
25
25
25
25
25
26
45.1
30.1
47.2
30.2
46.8
38.3
01.9
193KM
7MU
0.2 SEC MBN=2.41
0.2 SEC MBN=2.21
7MU 0.2 SEC MBN=2.41
25 DEC
*LDO
02
BLUE MOUNTAIN LAKE, NEW YORK
44
43.86N
74.48W
MBN < 1
25 DEC
*LOO
02
BLUE MOUNTAIN LAKE, NEW YORK
47
43.86N
74.48W
MBN < 1
26 DEC
*LDO
02
BLUE
13
MBN < 1
MOUNTAIN LAKE ,NEW YORK
43.86N
74.48W
OR
OR
TABLE III
29 DEC
.NEAR BURLINGTON, VERMONT
*LDO
00 02 54.7
44.42N
COV IPGC
00 02 57.6
COV ESG
00 03 00.0
MDV IPGD 00 03 02.1
MDV
PNY
PNY
'mY
WNY
CTR
CTR
.PAGE 13 OF 13
CONTINUED
ESG
EPG
ESG
EPG
ESG
EP
ES
00
00
00
00
00
00
00
03
03
03
03
03
03
03
07.9
03.4
10.4
03.5
10.6
13.3
28.1
73.14W
O.24SEC
MBN=1.7
1
18KM
18KM
47KM
47KM
57KM
57KM
57KM
57KM
122KM
122KM
30 DEC
*LOO
BLUE MOUNTAIN LAKE, NEW YORK
07 06
43.86N
74.48W
30 DEC
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
22 01
43.86N
74.48W
31 DEC
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
08 36
43.86N
74.48W
MBi~ < 1
31 DEC
*LDO
BLUE MOUNTAIN LAKE, NEW YORK
21 26
43.86N
74.48W
MBN < 1
MBN < 1
* SOURCE
DGS
DELAWARE GEOLOGICAL SURVEY
EPB
EARTH PHYSICS BRANCH,DEPT.OF ENERGY,MINES AND RESOURCES,CANADA
LDO - LAMONT-DOHERTYGEOLOGICAL OBSERVATORYOF COLUMBIA UNIVERSITY
MIT
MASSACHUSETTS INSTITUTE OF TECHNOLOGY
PSU
PENNSYLVANIA STATE UNIVERSITY
UCT
UNIVERSITY OF CONNECTICUT
WES
WESTON OBSERVATORY OF BOSTON COLLEGE
--
-
TABLE IV
SUSPECTEDAND POORLY LOCATED EARTHQUAKES
NORTHEASTERNUNITED STATES
AND ADJACENT REGIONS
OCTOBER- DECEMBER1976
SOURCE H-TlME(UTC
HR MN SEC
LATITUDE LONGITUDE
DEG
DEG
28 OCT
L'ORIGINAL,ONTARIO
12 22 16.1
45.61N
*LDO
PTN EP
PTN ES
PNY EP
PNY ES
WNY EP
WNY ES
ALX EP
ALX ES
12
12
12
12
12
12
12
12
22
22
22
22
22
22
22
23
34.4
47.7
35.2
49.8
39.4
56.8
42.8
02.8
74.69W
118KM
118KM
124KM
124KM
151KM
151KM
173KM
173KM
29 OCT
NEAR TURNER, MAINE
*WES
01 57
44.2 N
TRM EPG 01 57 15.5
TRM ESG 01 57 16.3
70.2 W
7KM
7KM
ALEXANDER BAY, NEW YORK
29 OCT
16 57 43.4 44.36N
75.98W
*LDO
16 57 43.6
6KM
ALX EP
PTN EP
16 57 56.3
83KM
16 58 06.7
83KM
PTN ES
16 58 03.5
13:lKM
APH EP
132KM
APH 1=:S 16 58 19.7
16 58 04.2
133KM
CTR EP
16 58 20.0
133KM
CTR ES
16 58 04.7
135KM
CLY EP
03 NOV
*WES
NEAR SAINT DENIS,QUEBEC
20 52 31
D3A EPG
D3A ESG
D1A EPG
DlA ESG
AGM'EPG
AGM ESG
MI~ ESG
20
20
20
20
20
20
20
52
52
52
52
52
52
53
RMS MAGNITUDE DEPTH
KM
SEC
47.5 N
44.9
53.8
44.5
55.0
44.7
54.8
46.4
69.9 W
77KM
77KM
83KM
83KM
86KM
86KM
265KM
ATTICA,NEW YORK
10 NOV
19 27
42.8 N
*Ll>O
19 27 52.2
DNY EP
19 27 52.4
DNY ES
78.~ W
2KM
2KM
O.49SEC MBN=2.3
0
O.69SEC
OR
PAGE 2 OF 2
15 NOV
NEAR POTSDAM,NEW YORK
*LDO
00 22
PTN IP C 00 22 28.7
PTN ES
00 22 30.4
12 DEC
LOWER HUDSON RiVER AREA, NEWYORK
*LDO
12 26 50.7 40.72N
74.01W
0.34SEC
PAL EP
12 26 56.5
33KM
PAL ES
12 27 00.0
33KM
TBR EP
12 26 58.6
50KM
TBR ES
12 27 05.4
50KM
GPD EP
12 26 58.9
50KM
GPD ES
12 27 06.0
50KM
WPR EP
12 27 02.5
69KM
WPR ES
12 27 10.7
69KM
16 DEC
NEAR WILMINGTON,NEW YORK
*LDO
20 20 04.6
44.39N
73.79W
WNY EP
20 20 05.7
6KM
PNY IP C 20 20 12.1
53KM
ALV EP
20 20 16.9
74KM
UWL EP
20 20 17.9
86KM
PTN EP
20 20 20.2
97KM
17 DEC
NEAR SAINT HONORE,QUEBEC
*WES
16 48 03
47.8 N
69.1 W
D2A EPG
D2A ESG
D3A EPG
D3A ESG
AGM EPG
DIA EPG
DIA ESG
16
16
16
16
16
16
16
48
48
48
48
48
48
48
14.3
22.4
15.0
24.4
15.4
15.6
24.8
69KM
69KM
74KM
74KM
75KM
77KM
77KM
MBN=1.8
O.53SEC MBN=1.8
O.21SEC
1
3.6
OR
* SOURCE
LDO
WES
- LAMONT-DOHERTY GEOLOGICAL OBSERVATORY OF COLUMBIA UNIVERSITY
-
WESTON OBSERVATORY
OF BOSTON COLLEGE
.
6.
-
INTERNAL DISTRIBUTION
-
.
~.
Recipient
15
Dr.
E.F.
1
Mr. R.O.
1
File
Chiburis
Ahner
EXTERNAL DISTRIBUTION
~.
Recipient
25
Dr.
Jerry
Harbour,
Nuclear
3
Dir.
Regulatory
Ms. Mary Jinks,
Nuclear
of
Safety
Research,
Commission
Chief,
Regulatory
Central
Main and Files,
Co~~ission
5
Rev. James W. Skehan,
5
Dr.
M. Nafi
5
Dr.
Yash P. Aggarwal,
Toksoz,
Reactor
S.J.,
Weston Observatory
Massachusetts
Institute
Lamont-Doherty
of
Technology
Geological
Observatory
~
V""
5
Dr.
5
Dr. Ken Woodruff,
Delaware Geological
5
Dr.
Earth
1
Consolidated
15
Dr.
Shelton
Peter
Paul
S. Alexander,
Basham,
Pennsylvania
Physics
Branch,
State
University
Survey
Canada
Edison of New York
Pomeroy,
New York
State
Geologist
and Coordinator
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