UCONN-NUREG-OZO8-009
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BULLETIN NO.4
OF
July 1. 1976
- September
Compiled
30,
1976
.""1~"{"
Ed1t~9':DY::'~;,,-,,!{+~;;.~~::
and
,..
c',
E.F. Ch1buri s, Un1vers 1ty o1:~c'fonnectfcut
R.O. Ahner, Weston Obs~rvator¥/
Coordinator
Paul
W. Pomeroy, United
States
Geologica
Survey
January
MEMBERS
Weston Observatory
.
Boston College
Massachusetts
Institute
of Technology
University
of Connecticut...
c'
Lamont-Doherty
Geological
Observatory
oftoliJmb1a
Pennsylvania
Delaware
of
State
Univers~,ty
Geological
Surv.ey
".,
New York State
:'
'~:;;+..,
Nuclear Regulatory
Commission
United States Geological
Survey
National
Science Foundation
New York State Energy and Resources Development
.
University
i'~f~1.:}'i~i.#:
Authority
Sc1ence~erv1 ce :'~~.:-',.f.i#'j;~
co_'"
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1
ACKNOWLEDGMENTS
Partial
or full
support
operation
of the Northeastern
from various
agencies
U.S. Seismic Network
fully
acknowledged.
The agencies
of NEUSSN are as follows:
providing
support
for the
is grateto members
The Nuclear Regulatory
Commission - Office
of Reactor
Safety Research,
The United States Geological
Survey - Office
of Earthquake Studies,
The National
Science Foundation
- Geophysics
Program,
The New York State Energy and Resources Development
Authority,
and
The New York State Science Service.
Data from the Seismic Network operated
by the Consolidated
Edison Company of New York were provided
to NEUSSN and the
receipt
of these data is gratefully
acknowledged.
In addition
to the above operational
support,
equipment
was also provided
by the 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
is
northeastern
September
1976.
the
United
Included
locations,
the
epicenters
epicenters
for
the
station
locations
for
fourth
the
fourth
States
for
quarters.
and of
arrival
the
bulletin
and covers
are geographic
four
quarterly
quarterly
quarter,
Also
times,
of
seismicity
the period
maps of
the
and the
included
amplitudes,
July
-
seismic
station
cumulative
are
table
of
the
and periods
epicenters.
.
~
3.
INTRODUCTION
in
This report
is
the northeastern
1976.
the fourth
quarterly
bulletin
United States
for the period
The organizations
supplying
data
for
this
of seismicity
July - September,
bulletin
Weston Observatory
of Boston College,
Lamont-Doherty
Observatory
of Columbia University,
the Massachusetts
are
Geological
Institute
of Technology,
the Pennsylvania
State University,
the Delaware
Geological
Survey, and the University
of Connecticut.
Additional
data for earthquakes-in
southeastern
New York and northern
New
Jersey were supplied
by the Consolidated
Edison Indian Point
network.
Arrival
time data for events in Canada near the United
States were supplied
by the Earth Physics Branch, Department of
Energy, Mines and Resources,
Canada.
Eight seismic
stations
operating
period were not listed
in the previous
during
this
bulletin.
reporting
The eight
new
stations
are TRM-ME, GPD-NJ, ALX-NY, HNY-NY, IPS-NY, WND-NY,
BRV-VT, and ESJ-VT.
Stations
BKH-NY, DHN-NY, GFN-NY, and SSL-PA
were not operating
during
this reporting
period.
Station
WFM-MA
was previously
listed
as WMA. The locations
for stations
OGD-NJ
and LAF-RI have been corrected
in this
listing.
Table I is a
list
by state,
of the stations
September 1976.
The format of
table
is
1.
2.
3.
operating
during
the period
the information
included
in
Julythe
as follows:
Three letter
station
code, as recognized
by the
National
Earthquake
Information
Center of the U.S.
Geological
Survey (except some codes for the Consolidated Edison and Pennsylvania
State stations).
Station
latitude,
degrees-minutes-seconds,
north.
Station
longitude,
degrees-minutes-seconds,
west.
4.
Station
elevation,
meters.
5.
Geographic
name of station.
6.
Network operator
responsible
for station.
Figure
1 is a geographic
map of the Northeastern
U.S.
Seismic Network (NEUSSN). In New York, there are three regions
of coverage
separately:
having clusters
of stations
too dense to represent
near Attica
in the west, near Blue Mountain Lake
4
in
the
north,
facility
and the
in
the
the
of
the
Indian
Point
nuclear
southeast.
NORTHEASTERN U.S.
During
stations
SEISMICITY
period
covered
earthquakes
were detected
United States;
included
by this
and located
in this total
bulletin,
twenty-four
in the northeastern
are eighteen
earth-
quakes of magnitude
less than one in the Blue Mountain Lake
region of New York.
One earthquake
occurred
near the coast
of Maine and is included
in the twenty-four.
In addition,
three
within
earthquakes
occurred
in Canada having an epicenter
100 kilometers
of the U.S. border.
Figure
2 is a
geographic
Table II
with the
map of the epicenters
is a chronological
following
format:
for
list
of
July
- September,
1976.
epicenters
in Figure
the
1.
Date and geographic
name of
the
2..
The source of epicenter
determination
LDO - Lamont-Doherty
Geological
Observatory
UTC - University
of Connecticut
2
event.
WES - Weston Observatory
MIT
-
Massachusetts
time
4.
Event
latitude,
5.
Event longitude,
degrees west.
6.
7.
Root-mean-square
Event magnitude.
error
of the least-squares
solution.
Most magnitudes
were computed using
8.
event,
Technology
Origin
relation
the
of
3.
the
of
Institute
degrees
developed
hours-minutes-seconds,
UTC.
north.
by Nuttli
.
for
the
"vertical
component Lg wave";
although
the wave periods
of the
events in Table II are often
less than one second,
the computed magnitudes appear to be consistent
within
the network.
Magnitudes
computed using Nuttli's
relation
are labelled
MBN.
Event depth,
kilometers.
If the solution
was restrained
to a particular
depth,
the
For events that have epicenters
letter
R is
determined
appended.
by more than
one
5
source,
each of
EARTHQUAKE
the
locations
is
listed.
DATA
The station
arrival
times and amplitudes
used for epicenter
and magnitude
calculations
are listed
in Table III,
as well as
the information
already
included
in Table II.
The format for
the additional
information
in Table III
is as follows:
1.
2.
Station
code.
Emergent (E) or
impulsive
P, PG, P*, .PN, S, SG, S*,
direction
of first
motion
system
(D)
polarity
is
known:
(I),
followed
SN. If
is also
by phase type:
the phase is impulsive,
included
if the
compression
(C) or dilatation
.
3.
4.
Station
arrival
time, hour-minute-second,
UTC.
Epicentral
distance,
kilometers.
For those events
5.
having more than one epicenter
reported,
the first
epicenter
listed
is used for distances.
Peak-to-peak
ground motion,
in millimicrons,
of the
maximum recorded
amplitude
of
the
vertical-component
6.
signal
(Rayleigh
wave).
All reported
amplitudes
have
been corrected
for system response.
Period,
in seconds, of the wave from which the ampli-
7.
tude was measured.
Nuttli
magnitude
as computed
period
SUSPECTED
In
from
the
amplitude,
and distance.
AND POORLY LOCATED
EARTHQUAKES
addition
to the earthquakes
listed
in Table II,
seven
events were detected
which could not be definitely
identified
as being earthquakes
or not enough arrivals
were detected
to
allow an acceptable
computer solution.
This class of events
is listed
in Table IV, which has the same format as Table III.
~
North
0
0
v
,...
V
m
0
CD
V
Latitude,
0
0
an
v
degrees
0
~
V
V
V
0
0
N
v
0
V
""
0
0')
rt')
~
\..,
0
\.
V
(0
..;.;
~
'\ 6;
0
0
~
0
0
U)
QI
QI
~
~
QI
'0
,
Q)
'0
='
~
-r-t
~
C
0
~
~
U)
QI
~
0
a>
~
r--
0
C\J
r-
0
V
,
0
w
,...
0
m
,...
.~~~
,
0
l'
Figure
1.
Seismic
July
-
stations
I,
,
;
~:;
operating
September 1976.
f
during
the
period
North
0
a:J
V
0
0
r-v
<D
V
Latitude,
0
I()
V
0
V
V
degrees
0
~
V
0
C\J
V
0
-
0
V
0
V
~I
(0
0
<D
<D
0
I
m
<D
0
U)
QI
QI
$of
t1'
QI
'0
,
QI
'0
~
~
""
t1'
J:
0
~
~
U)
QI
:J:
0
,..
0
C\I
r--
0
V
,...
0
w
r--
0
a>
,
0
0
([)
Figure 2.
Earthquake
July
-
epicenters
September 1976.
during
the
period
0
0
m
~
a>
~
North
0
a>
v
0
f'V
0
(,0
V
0
LC)
V
Latitude,
0
0
~
V
V
V
degrees
~
v
0
V
0
0
V
0
V
(D
0
(0
(0
0
I
001
(,01
0
cn
Q)
Q)
~
0'
Q)
'0
.
Q)
'0
:3
~
.r-t
~
~
0
H
~
U)
Q)
~
0
,...
0
C\J
r-
0
v
r-
0
<D
r--
0
a>
,...
01
~
Figure 3.
Earthquake
epicenters
during the
- September 1976.
October 1975
period
0
m
rt)
0
Q)
~
TABLE I
LIST OF OPERATING SEISMIC STATIONS BY STATE
JULY
STA
ID
-
SEPTEMBER1976
LATITUDE LONGITUDE ELEVATION
DGMNSEC DGMNSEC METERS
OPERATOR
CANADA, STATIONS USED FOR LOCATIONS IN THIS BULLETIN
STV
MNI
MNQ
MNT
OTT
491124.
462212.
503148.
453009.
452338.
H
H
H
H
H
682324.
755812.
684612.
733723.
754257.
W
W
W
W
W
112
83
720350.0W
732302.
W
731432.
W
732440.8W
723123.6W
724756.
W
721502.
W
3
69
83
342
24
290
149
HAUTERIVE, QUE.
MANIWAKI. QUE.
MANICOUAGAN, QUE.
MONTREAL, QUE.
OTTAWA,
.ONT.
EPB
EPB
EPB
EPB
EPB
CONNECTICUT
Ap T
Bc T
Bp T
ECT
HDM
T MT
UCT
411857.5N
412936.
N
411319.5N
415004.7N
412908.8N
414841.
N
414954.
N
OCT
AVERY PT., CT.
CT.OCT
BROOKFIELD CENTER,
OCT
BRIDGEPORT, CT.
OCT
ELLSWORTH, CT.
OCT
HADDAM, CT.
OCT
TALCOTT MT., CT.
OCT
STORRS, CT.
DELAWARE
NED
394215.2H
754229.5W
46
NEWARK, DE
DGS
\lEg
\lEg
\lEg
WES
\lEg
MAINE
AGM
CBM
EMH
MIM
TRM
N
N
N
N
690124.
W
680715.
W
672922.
W
690225.
W
701518.3W
216
250
20
140
113
ALLAGASH. ME
CARIBOU. ME
EAST MACHIAS.
MILO. ME
TURNER. ME
414300.0N
423825.
N
423023.
N
422304.91l
423638.
N
710717.5W
704338~ W
713330.
W
711919.5W
712926.
W
52
15
180
60
88
FALL RIVER.MA
GLOUCESTER.MA
BARVARD.MA
WESTON.MA
WESTFORD.MA
WES
HIT
KIT
WES
HIT
711523.
W
705341.3W
721708.
W
713020.
W
720809.
W
712359.
W
472
24
180
280
659
220
BERLIN.NH
DURHAM.NH
HANOVER.NH
OAKHILL.CONCORD.NH
PITCHER MT..NH
WHITEFACE.NH
WES
HIT
HIT
HIT
HIT
HIT
470454.
465557.
444421.
451437.
441534.9N
ME
MASSACHUSETTS
FLR
GLO
HRV
WES
WFM
NEW HAMPSHIRE
BNB
DNB
HNH
OND
PNH
WNB
443526.
430721.
434219.
431645.
430539.
435206.
N
N
N
N
N
N
TABLE 1.
PAGE 2 OF 3
CONT.
JERSEY
GPD
OGD
PNJ
PQN
742739.0W
360
743545.0W -363
740917.4W
31
750509.0W
229
410103.6N
410S1S.0N
40S42S.SN
410026.4N
GREENPOND, NJ
OGDENSBURG,NJ
PATERSON,NJ
PABAQUARRY,NJ
LDO
LDO
ADAMS ,NY
LDO
LDO
LDO
LDO
YORK
ADN
ALF
ALX
APH
435000.0N
421331.2N
441921.0N
435028.8N
760710.8W
774749.8W
755540.8W
742949.2W
137
671
122
564
CLY
CTR
DNY
EGN
ELM
FOR
HNY
HMB
MRH
OCN
PAL
PNY
PTN
TBR
WWL
WLI
WND
WNY
WPR
435104.8N
435227.0N
425010.8N
435134.7N
425100.6N
405147.0N
424954.6N
423916.2N
425021.0N
435305.4N
410015.0N
445003.0N
443421.0N
410830.0N
435016.2N
441832.4N
422015.0N
442327.6N
411S16.8N
742656.4W
742736.0W
781007.8W
742854.6W
783836.0W
735308.0W
753053.4W
785109.0W
781424.0W
743145.6W
735433.0W
733318.0W
745858.2W
741320.0W
743236.0W
760035.4W
740909.0W
735134.2W
733508.4W
579
585
381
549
216
24
500
290
448
701
91
177
238
261
561
90
602
598
152
BLM*
CHR*
411947.
411229.
411740.
411510.
411946.
.411558.
411602.
412137.
411427.
411807.
411342.
411119.
412132.
DB1-1*
DPL*
GOB.
GSC*
IPS~
OSB*
SNP*
SPS*
SRM*
STL~
WGL~
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.
W
W
W
W
W
W
W
W
W
W
W
W
W
ALFRED,NY
ALEXANDER BAY,NY
AIRPORT HANGAR,BLUE
MTN.,NY
CRYSTAL LAKE, NY
CASTLE ROCK,NY
DERSAM,NY
EAGLE'S NEST,NY
ELMA,NY
FORDHAM,NY
HAMILTON,NY
HAMBURG,NY
MERCHANTS HILL,
NY
OVER CASTLE ROCK,NY
PALISADES,NY
PLATTSBURG,NY
POTSDAM,NY
TABLEROCK,NY
UTOWANA LAKE,NY
WELLESLEY I.,NY
WINDHAM,NY
WILMINGTON,NY
WARD POUND RIDGE,NY
134
183
27
67
150
110
BLUM,NY
CALLS HOLLOW ROAD,NY
DUNDERBURG MTN.,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
LDO
LDO
LDO
LDO
LDO
LDO
LDO
LDO
LDO
L D0
L D0
L D0
L D0
L D0
L D0
L D0
L D0
L D0
LD 0
L D0
CON
CON
CON
CON
CON
CON
CON
CON
CON
CON
CON
CON
CON
TABLE I.
*
*
PAGE 3 OF 3
CONT.
CONSOLIDATED-EDISON, INDIAN POINT SEISMIC NETWORK, POLARITY UNKNOWN
STATION CODES NOT ALL CLEARED THROUGHNEIC
PENNSYLVANIA
BVR
ERI
KLV
PHI
SCP
4042
N
4208
N
395930. N
4007
N
404742.0N
8020
7959
7622
7508
w
w
w
w
.ow
352
N
713024. w
40
N
N
73015'4.
77515'
BEAVER,PA
ERIE,PA
MILLERSVILLE,PA
ABINGTON,PA
STATE COLLEGE,PA
PSU
PSU
PSU
PSU
PSU
LAFAYETTE.RI
UCT
ESSEX JUNCTION,VT
MIDDLEBURY,VT
LDO
LDO
RHODE ISLAND
LAF
413403.
VERMONT
ESJ
MDV
443112.
435957.
W
731052.2W 134
OPERATOR CODE
CON
DGS
EPB
LDO
MIT
PSU
UCT
WES
4-
-CONSOLIDATED-EDISON.
INDIAN POINT.NY
-DELAWARE GEOLOGICAL SURVEY
-EARTH PHYSICS BRANCH.DEPT. OF ENERGY. MINES AND RESOURCES, CANADA
-LAMONT-DOHERTY GEOLOGICAL OBSERVATORY OF COLUMBIA UNIVERSITY
-MASSACHUSETTS INSTITUTE OF TECHNOLOGY
-PENNSYLVANIA STATE UNIVERSITY
-UNIVERSITY
OF CONNECTICUT
-WESTON OBSERVATORY-BOSTON COLLEGE
TABLE II,CONT.
I
IX
02 AUG
*LDO
18
BLUE
45
03 AUG
*WES
02
ST.LAWRENCE
VALLEY.QUEBEC
57 15.5
47.58N
70.06W
10
BLUE
44
\114
AUG
" *LDO
x
\:
PAGE 2
MOUNTAIN LAKE,NEW YORK
43.86N
74.48W
MBN c 1
OR
O.24SEC
MOUNTAIN LAKE,NEW YORK
43.86N
74.48W
MBN c 1
19 AUG
RAQUETTE LAKE.NEW YORK
*LDO
15 47 53.6 43.89N
74.64W
O.OOSEC
4
20 AUG
MOUNT PLEASANT.NEW YORK
*LDO
22 08 14.3
41.11N
73.75W
O.15SEC MBN-2.S
6
21 AUG
RAQUETTE LAKE,NEW YORK
*LDO
14 00 12.5
43.89N
74.66W
0.3 SEC
12 SEP
*LDO
'\/
16
",
*LDO
\/16
BLUE MOUNTAIN LAKE,NEW YORK
19 15
43.86N
74.48W
SEP
08
BLUE
34
MOUNTAIN LAKE,NEW YORK
43.86N
74.84W
MBN c 1
13
BLUE
37
MOUNTAIN LAKE,NEW YORK
43.86N
74.84W
MBN c 1
SEP
" *LDO
18 SEP
*LDO
,(20
SEP
" *LDO
SOUTHEAST OF BLUE MOUNTAIN LAKE,NEW YORK
01 15 23.0
43.82N
74.20W
0.21SEC
MBN-l.6
10
BLUE
44
\/21
SEP
BLUE
~ *LDO
21 29
22 SEP
*LDO
~
MBN- 1
MOUNTAIN LAKE.NEW YORK
43.86N
74.48W
MOUNTAll;
LAKE
43.86N
t
MBN c 1
NEW YORK
MBN c 1
74.48W
INDIAN POINT.NEW YORK
09 04 44.9
41.29N
73.95W
O.O4SEC MBN-l.8
8
SOURCE
DGS - DELAWAREGEOLOGICAL SURVEY
EPB - EARTH PHYSICS BRANCH,DEPT.OF ENERGY,MINES AND RESOURCES
LDO - LAMONT-DOHERTY GEOLOGICAL OBSERVATORY OF COLUMBIA UNIV.
MIT - MASSACHUSETTS INSTITUTE OF TECHNOLOGY
PSU
-
UCT WES -
PENNSYLVANIA
STATE
UNIVERSITY
UNIVERSITY OF CONNECTICUT
WESTON OBSERVATORY - BOSTON COLLEGE
TABLE III
EARTHQUAKEDATA LIST
NORTHEASTERNUNITED STATES
AND ADJACENT REGIONS
JULY - SEPTEMBER1976
SOURCE H-TIME (UTC)
HR MN SEC
01 JUL
*LDO
07 15
01 JUL
*LDO
09
BLUE
44
04 JUL
*LDO
09
OS JUL
*LDO
BLUE
LATITUDE
DEG
LONGITUDE
DEG
MAGNITUDE DEPTH
KM
RMS
MOUNTAIN LAKE. NEW YORK
74.48W
MBN
MOUNTAIN LAKE,
43.86N
NEW YORK
74.48W
MBN
c
1
BLUE MOUNTAIN LAKE.
SO
'43. 86N
NEW YORK
74. 48W
MBN c
1
BLUE MOUNTAIN LAKE,
10 58
43.86N
NEW YORK
74.48W
MBN
11 JUL
ST.
*WES
05 15
AGM EPG 05
AGK EPN 05
AGH ESG 05
CBH EPN 05
CBM EPG 05
CBM ESN 05
CBM ESG 05
BNH EPN 05
BNH ESN 05
EMM EPN 05
EMM ESN 05
UCT
TMT
ECT
HDM
BCT
43.86N
LAWRENCEVALLEY.QUEBEC
04.3
47.37N
70.26W
15 20. 0
99KK
15 22. 0
99KM
15 32.3
99KM
15 31. 2
169KM
15 33. 1
169KM
15 50. 1
169KM
15 52. 4
169KM
15 49.5
318KH
16 22. 4
318KH
15 54. 1
363KM
16 32. 2
363KM
636KH
5MU
650KM
6MU
664KH
4MU
5MU
678KH
6MU
699KM
VALLEYFIELD,QUEBEC INT.V
13 JUL
45.18N
74.10W
*LDO
03 51 14.0
45.29~
74.06W
*WES
03 51 14.0
52KK
KHT EPGD 03 51 22.3
03 51 28.7
52KK
KHT ESG
D3
51
23.1
55KM
PRY EPGC
97KK
PTH EP D 03 51 29.1
03
51
34.0
129KK
OTT EP
03 51 49.4
129KK
OTT ES
03
51
36.7
148KK
CTR EP D
148KM
OCN EP C 03 51 36.9
03 51 37.0
150KK
KDV EP
,
O.47SEC
MBN-2.4
0.4
0.5
0.4
0.4
0.4
SEC
SEC
SEC
SEC
SEC
M:BN~2.33
MBN-2.36
MBN-2.36
MBN-2.31
MBN-2.49
0.17
0.98
SEC
SEC
MBN-2.9
MBN-3.0
UCT OR
UCT OR
CONTe
TABLE III.
EGN EP D
CLY EP D
APB EP D
UWL EP C
WLI EP D
MHI EP
ADN EP D
HNB EPN
HHH EPC
HNH ESN
BNH EPH
BHB EPC
BNB ESN
BNB ESG
ECT EPN
ECT EP*
TMT EPN
UCT
BCT EPN
BCT EP*
AGM EPC
AGM ESN
HDM EPN
HDM EP*
BPT
CBM EPN
EMM EPN
EMM ESN
EMM ESG
03
03
03
03
03
03
03
03
03
03
03
O~
03
03
03
03
03
51
51
51
51
51
51
51
51
51
52
51
51
52
52
52
52
52
PAGE 2 OF 5
37.1
37.2
37.4
37.7
41.7
44.5
47.5
48.1
51.0
12.2
49.7
52.1
16.5
19.1.
09.8
13.4
10.1
03
03
03
03
03
03
52
52
52
52
52
52
12.1
20.7
25.6
57.1
13.2
23.3
03
03
03
03
52
52
53
53
20.1
23.1
16.2
42.1
150KM
150KM
152KM
153l{M
180KM
197KM
220KM
226KM
226KM
226KM
235KM
235KM
235l{M
235KM
388KM
388KM
400KM
401KM
426XM
426KM
437KM
437KM
441KM
441KM
445KM
494KM
522KM
522KM
522KM
48MU O.4SEC
O.SSEC
MBN-3.23
MBN-3.03
32KU
O.6SEC
MBN-2.72
95MU
15 JUL
*LDO
BLUE MOUNTAIN LAKE.NEW YORK
08 57
43.86N
74.48W
MBN- 1
19 JUL
*LDO
BLUE MOUNTAIN LAKE,NEW YORK
07 37
43.86N
74.48W
MBN Co1
20 JUL
*LDO
BLUE MOUNTAIN LAKE,NEW YORK
05 56
43.86N
74.48W
MBN c 1
21 JUL
*LDO
BLUE MOUNTAIN LAKE,NEW YORK
20 58
43.86N74.48W
HBM. 1
23 JUL
*LDO
BLUE MOUNTAIN LAKE.NEW YORK
09 31
43.86N
74.48W
KBN c 1
25 JUL
*LDO
BLUE MOUNTAIN LAKE,NEW YORK
03 58
43.86N
74.48W
MBN- 1
28 JUL
OFF
*WES
02 04
*MIT
DNH EPG 02
DNH ESG 02
GLO IPG 02
GLO ESG 02
COAST SOUTHWESTERN
MAINE
0.9
34.8
43.16N
70.24w
43.15N
70.32W
04 42.6
53KM
04 49.6
53KM
04 44.5
70KM
04 53.0
70KM
SEC MBN-2.3UCT
OR
OR
TABL';
III.
WFM IP
WFM ES
WNII EP
WNH ES
WES EP*
WES ES*
HRV EP
HRV ES
PNH IP
PNH ES
FLR ESN
HNH ESN
BNH EPN
BNH ESN
BNH ESG
UCT EPN
UCT ESN
UCT ESG
TMT
HDM EP*
HDM ESG
EMM EPN
EMM ES*
ECT EP*
ECT ESN
01 AUG
*LDO
PAGE 3 OF 5
CONT.
02
02
02
02
02
02
02
02
02
02
02
02
02
02
02
02
02
02
02
02
02
02
02
04 52.9
05 08.6
04 54.3
05 08.8
04 55.0
05 08.9
0455.5
OS 10.9
04 59.1
05 17.4
05 22.9
OS 22.8
OS 01.5
05 23.9
05 25.2
05 08.9
05 33.6
05 37.5
OS
OS
OS
OS
OS
16.6
48.2
16.7
51.0
22.3
02 OS 48.6
119KM
119KM
122KM
122KM
124KM
124KM
130KM
130KM
154KM
154KM
176KM
176KH
179KM
179KM
179KM
222KM
222KM
222KM
258KM
265KM
265KM
282KM
282KM
299KM
299KM
O.3SEC
MBN-2.26
7MU O.4SEC
6MU O.3SEC
MBN-2.09
MBN-2.19
SKU O.lSEC
MBN-2.50
9MU
BLUE MOUNTAIN LAKE,NEW YORK
03 58
-43.86N
MBN c 1
74.48w
BLUE MOUNTAIN LAKE,NEW YORK
02 AUG
18 45
43.86N
74.48W
*LDO
03 AUG
ST.LAWRENCE VALLEY,QUEBEC
*WES
02 57 15.5
47.58N
70.06W
AGM EPG 02 57 31.3
96KM
AGM ESG 02 57 42.7
96KM
CBM EPN 02 57 41.7
163KM.
CBM ESN 02 58 00.2
163KM
EMM EPN 02 58 07.0
373KM
EMM E.SN 02 58 4S~5
14 AUG
*LDO
MBN c 1
OR
O.24SEC
373KM
BLUE MOUNTAIN LAKE,NEW YORK
10 44
43.86N
74.48W
19 AUG
RAQUETTE LAKE.NEW YORK
*LDO
15 47 53.6
43.89N
74.64W
APB EPGD 15 47 55.7
13KM
APH ESG 15 47 57.4
13KM
OCN EPGD 15 47 55.1
9KM
OCN ESG 15 47 56.3
9KM
EGN EPGD 15 47 55.7
13KM
EGN ESG 15 47 57.5
13KM
CTR EPG 15 47 56.0
15KM
CTR ESG 15 47 57.9
15KM
CLY EPGD 15 47 56.2
16KM
CLY ESG 15 47 58.3
16KM
MBN c 1
O.OOOSEC
4
TABLE 111.CONT.
PAGE 4 OF 5
20 AUG
MOUNT PLEASANT,NEW YORK
*LDO
22 08 14.3
O.15SEC
41.11N
73.75W
PAL EPGD 22 08 17.6
18KM
PAL ESG 22 08 19.8
18KM
BLH ESG 22 08 22.7
20KM
WPR EPGD 22 08 17.9
21KM
WPR ESG 22 08 20.5
21KM
DPL EPG 22 08 18.0
21KK
DPL ESG 22 08 20.6
21KM
SNP EPG 22 08 18.4
24KK
SNP ESG 22 08 21.3
24KK
24KK
IPS EPG 22 08 18.4
IPS ESG 22 08 21.4
24KK
26KK
DBH EPG 22 08 19.0
GOB EPG 22 08 19.0.
28KM
GSC EPG 22 08 19.0
32KM
GSC ESG 22 08 22.3
32KM
BC! IPGD 22 08 22.7
33KM
BCT ESG 22 08 28.8
33KM
44KK
BPT IPGD 22 08 21.7
44KM
BPT ESG 22 08 27.0
CHR EPG 22 08 19.1
44KM
44KK
CHR ESG 22 08 22.5
47KM
TBR EPGD 22 08 20.6
TBR ESG 22 08 25.3
47KM
85KM
ECT IPGC 22 08 27.9
EC! ESG 22 08 37.6
85KM
23MU 0.2 SEC
111KM
TMT EPG 22 08 32.2
PQN EPGC 22 08 32.1
119KK
119KM
PQN ESG 22 08 45.1
41MU 0.2 SEt
130KM
HDH I?GD 22 08 32.0
130lCK
HDM ESG 22 08 44.3
25MU 0.2 SEC
149KK
UCT EP
22 08 37.7
21 AUG
RAQUETTE LAKE, NEW YORK
*LDO
14 00 12.5
43.89N
74.66W
OCR EPGD 14 00 14.2
11KM
OCN ESG 14 00 15.4
11KM
APH EPGD 14 00 14.8
14KM
APH ESG 14 00 16.5
14KM
EGN EPGD 14 00 14.8
15KM
EGN ESG 14 00 16.6
15KM
CTR EPG 14 00 15.1
16KM
CTR ESG 14 00 17.0
16KM
CLY EPGD 14 00 15.3
18KM
CLY ESG 14 00 17.4
18KM
MBN-2.5
6
MBN-2.50
MBN-2.83
MBN=2.76
1.4
0.3 SEt
12 SEP
*LDO
BLUE MOUNTAIN LAKE.NEW YORK
19 lS
43.86N
74.48W
MBN c 1
16 SIP
*LDO
BLUE MOUNTAIN LAKE,NEW YORK
OS 34
43.S6N
74.4SW
KBN c 1
TABLE III.CONT.
16 SEP
*LDO
PAGE 5 OF 5
BLUE MOUNTAIN LAKE,NEW YORK
13 37
43.86N
74.48W
MBN c 1
18 SEP
SOUTHEASTOF BLUE MOUNTAIN LAKE,NEW YORK
*LDO
01 15 23.0
43.82N
74.20W
0.21SEC KBN-l.6
CLY EPGD 01 15 26.2
20KM
CLY ESG 01 15 28.7
20KK
CTR EPGD 01 15 26.5
22KK
CTR ESG 01 15 29.1
22KM
EGN EPGD 01 15 26.7
23KK
EGN ESG 01 15 29.5
23KM
WNY ESG 01 15 42.9
69KK
MDV EPG 01 15 36.7
84KM
MDV ESG 01 15 46.8
84KK
20 SEP
.LDO
10 44
21 SEP
*LDO
BLUE MOUNTAIN LAKE,NEW YORK
21 29
43.86N
74.48W
0
BLUE MOUNTAIN LAKE,NEW YORK
43.86N
22 SEP
INDIAN POINT.NEW
*LDO
09 04 44.9
41.29N
DBM EPGC 09 04 46.3
DBM ESG 09 04 47.3
IPS IPGC-09 04 46.3
IPS ESG 09 04 47.2
BLM IPGC 09 04 46.5
BLM ESG 09 04 47.6
DPL IPGC 09 04 46.5
DPL ESG 09 04 47.6
SPS IPGC 09 04 46.5
SPS ESG 09 04 47.7
GOB IPGC 09 04 46.5
GOB ESG 09 04 47.7
SNP IPGC 09 04 46.4
SNP ESG 09 04 47.6
OSB IPGC 09 04 46.9
OSB ESG 09 04 48.3
WGL EPG 09 04 46.9
WGL ESG 09 04 48.4
CHR IPGC 09 04 47.3
caR ESG 09 04 49.0
TBR IPGD 09 04 49.5
WPR IPGD 09 04 50.1
WPR ESG 09 04 53.9
GPD IPGD 09 04 53.4
MBN « 1
74.48W
YORK
73.95W
2KM
2KM
3KM
3KM
4KM
4KM
5KM
5KM
5KM
5KM
5KM
5KM
6KM
6KM
8KM
8KM
9KM
9KM
24KM
24KM
28KM
31KM
31KM
52KM
MBN c 1
O.O4SEC MBN-l.8
8
*SOURCE
DGS
EPB
-
DELAWARE GEOLOGICAL SURVEY
EARTH PHYSICS BRANCH, DEPT.
LAMONT-DOHERTY
MIT
MASSACHUSETTSINSTITUTE OF TECHNOLOGY
PENNSYLVANIA STATE UNIVERSITY
UNIVERSITY OF CONNECTICUT
PSU
UCT
WES
-
GEOLOGICAL
OF ENERGY,MINES AND RESOURCES,CANADA
LDO -
WESTON OBSERVATORY -
OBSERVATORY
BOSTON COLLEGE
OF COLUMBIA
UNIVERSITY
TABLE IV
SUSPECTEDAND POORLY LOCATED EARTHQUAKES
NORTHEASTERNUNITED STATES
AND ADJACENT REGIONS
JULY
SOURCEB-TIME(UTC)
HR MN SEC
12 JUL
*WES
-
SEPTEMBER
1976
LATITUDE LONGITUDE
DEG
DEG.
BAY OF FUNDY
22 52 43.1
44.89N
BMM EPG
EMM ESG
CBM EPN
CBM ESN
AGM ESN
22
22
22
22
22
53
53
53
53
54
00.6
06.3
18.5
50.9
01.6
16 JUL
LAKE ONTARIO
*LDO
18 57 29.9
43.99N
ADN EPG 18 57 51.5
ADN ESG 18 58 08.3
WLI EP
18 57 53.4
WLI ES
18 58 11.1
66.40W
RMS
MAGNITUDE DEPTH
KM
2.42SEC
OR
O.26SEC
0
O.OOSEC
OR
1.46SEC
OR.
88KM
88KM
264KM
264KM
318KM
77.86W
141KM
141KM
lS2KM
lS2KM
02 AUG
NEAR EASTPORT MAINE
*WES
05 14 47.5
44.85N
66.93W
EMM EPG 05 14 55.0
46KM
EMM ESG 05 15 00.5
46KM
CBM ESN 05 15 50.9
250KM
03 AUG
NORTHERNNEW BRUNSWICK
*WES
00 44 39.5 .46.87N
66.88W
CBH EPG 00 44 53.3
95KH
CBH EP* 00 44 54.6
95KH
CBH EPN 00 44 55.0
95KH
CBH ESG 00 45 07.3
95KH
CBH ESN 00 45 10.6
95KH
AGM EPN 00 4S 04.7
165KM
AGM EP* 00 4S 07.7
165KH
AGM ESG 00 45 26.8
165KH
EMM EPN 00 4S 17.0
242KM
EHH EPG 00 4S 21.1
242KH
EMM ESG 00 45 46.S
242KM
30 AUG
ST.LAWRENCE RIVER VALLEY,QUEBEC
*WES
00 30 38.8
47.65N
69.77W
0.19SEC
AGM EPG 00 30 52.5
85KM
AGM ESG 00 31 03.0
85KM
CBM EPN 00 31 02.9
148KM
CBM ESN 00 31 20.1
148KM
OR
PAGE 2 OF 2
TABLE IV,CONT.
15 SEP
ATTICA,NEW YORK
*LDO
08 32
DUN EPGD 08
DUN ESG 08
DNY EPGD 08
DNY ESG 08
16 SEP
*LDO
31.5
32.3
31.7
32.6
EDWARDS.NEWYORK
06 Sl 07.1
44.38N
P'IN EPG
PTN
ALX
ALX
CTR
CTR
32
32
32
32
06 SI
ESG 06
EPG 06
ESG 06
EPGD 06
ESG 06
SI
SI
SI
SI
Sl
12.4
16.6
IS.3
21.8
20.1
31.7
7S.29W
32KM
32KM
SlKM
SIKH
87KM
87KM
O.33SEC MBN-l.7
6
* SOURCE
DGS - DELAWARE GEOLOGICAL SURVEY
EPB - EARTH PHYSICS BRANCH. DEPT.OF ENERGY.MINES AND RESOURCES,CANADA
LDO - LAMONT-DOHERTY GEOLOGICAL OBSERVATORY OF COLUMBIA UNIVERSITY
MIT - MASSACHUSETTSINSTITUTE OF TECHNOLOGY
PSU - PENNSYLVANIA STATE UNIVERSITY
UCT - UNIVERSITY OF CONNECTICUT
WES - WESTON OBSERVATORY - BOSTON COLLEGE
6.
.
INTERNAL
DISTRIBUTION
~.
Recipient
15
1
1
Dr. E.F. Chiburis
Mr. R.O. Ahner
File
EXTERNAL DISTRIBUTION
~.
Recipient
25
Dr.
Jerry
Harbour,
Nuclear
3
.
Dir.
Regulatory
Ms. Mary Jinks,
Nuclear
Reactor
Safety
Research,
Commission
Chief,
Regulatory
Central
Main and Files,
Cowmission
5
Rev. James W. Skehan,
5
Dr.
M. Nafi
5
Dr.
Yash P. Aggarwal,
Toksoz,
of
S.J.,
Weston Observatory
Massachusetts
Institute
Lamont-Doherty
of
Technology
Geological
Observatory
'.
5
Dr. Shelton
S. Alexander,
5
Dr. Ken Woodruff,
5
Dr. Peter
1
Consolidated
Pennsylvania
Delaware Geological
Basham, Earth Physics
State
University
Survey
Branch,
Canada
Edison of New York
,
..
~
15
Dr. Paul Pomeroy, New York State
NEUSSN.
Geologist
and Coordinator
I
~
cc..,-".~