~
NUREG
WES-238-020
Northeastern U.S.Seismic Network
Bulletin No. 13
of
October ot.
9.78- iJecember31t
Compiled
and Edited
978
by
E.F. Chiburis
Paul
R.O. Ahner and T.
Weston Observatory-Boston
Graham
College
Coordinator
United
States
Geological
W. Pomeroy,
July
Survey
19!9
MEMBERS
Weston (~servatory
of Boston College
Massachusetts
lnstitute
of Technology
Lamont-Doherty
Geological
Observatory
of Columbia University
Pennsylvania
State University
Delaware Geological
Survey
Maine Geological
Survey
State University
of New York at Stoney Brook
Nuclear Regulatory
Commission
United States Geological
Survey
National
Science Foundation
New York State EnerQY and Resources Development
New York State Science Service
Authority
ABSTRACT
This
report
in
seismicity
October
the
the
seismicity
are
tables
all
data
for
velocity
States.
Included
918.
included
event
United
models
for
of
appropriate
for
are geographic
during
the
the
quarters.
locations,
epicenters,
An Appendix
describes
for
the
period
maps of
the quarter,
thirteen
station
the quarter.
States
of
bulletin
quarterly
and seismicity
stations
cumulative
thirteenth
northeastern
- December
network
the
is
northeastern
and of
Also
United
Page 2
ACKNOWLEDGMENTS
Partial
of
operation
is
or fuil
the
gratefully
Office
the
ot
U.S.
Science
State
Foundation,
Energy
Science
stations
Nuclear
Geophysics
Development
by the
provided
to NEUSSN when available.
and
data
some of
of
Energy,
Mines
In addition
the
Dept.
by the
and Resources,
to the
has been provided
of
and Weston
are provided
by the
of defense
Geology of the U.S.
and
Geophysical
the
events
Earth
Hesearch,
Inc.
t
Eplcentral
in Canada near
Physics
Branch,
the
Uept.
ottawa.
above operational
Advanced
Research
and by the Office
Geological
Edison
Consolidated
are routinely
u.s. border
New
the
Service.
operated
for
the
Authority,
New York
station
u.s.
the
Program;
of
Company
Regulatory
Studies;
Earthquake
and Resources
New York State
Data from
of
Office
to
support
ResearCh'
Safety
the
i~etwork(NEUSSN)
providing
u.s.
the
for
agencies
Seismic
Agencies
Reactor
Survey,
Geological
York
Northeastern
NEUSSN include
Commission,
National
from various
acknowledged.
of
members
support
SUrvey.
support,
Projects
of
equipment
Agency
Environmental
Page 3
INTROUUCTION
Station
and
operations
quarter
are
summarized
formats
of
the
in three
figures
are
tables
for
results
seismicity
and five
the
in
described
tables
(the
section
EXPLANATIOt~ OF TABLES).
is
I
Fl9Ure
were operational
3
are
a geographic
during
which
those
period
NEUSSN stations
the reporting
maps of seismicIty
the cumulative
map of
tor
from
the
that
earthquakes
Figures
period;
reporting
October
period
2
and tor
in
respectively,
975,
felt
were
which
are
shown by red
symbols.
Is
Table
2
Table
reporting
Is
a
chronological
Table
azimuths,
in Table 2'
Table
as being
number of
3
4
events
of
operating
of
epicenters
during
arrival
and periods
for
during
times,
the
events
aftersnocks,
foreshocks,
the
reportlnC)
could
not
be definitely
or that
did
not
to obtain
stations;
station
lists
lists
that
earthquakes
arrivals
list
amplitudes,
occurring
microearthquakes
5 lists
list
location
period;
distances,
Table
a
produce
an acceptable
period;
identified
a sufficient
solution
Page 4
SEISMICITY
Durlnq
the
14 earthquakes
United
of
kilometers
foreshocks,
lists
the
less
than
u.s.
3.0.
.0.
918. a
In the
5
addit1.pnt
earthquakes
in Canada but
border.
Table
of
total
nortneastern
were within
4
33
includes
and microearthquakes,
aftershocks,
2 suspected
.5 to
In
had epicenters
The magnitudes
from
and located
or offsnore.
which
- December
October
were detected
States
included
period
and Table
5
ealrthquakes.
of
the
9 eartnquakes
The magnitudes
of
the
in Table
event$
2
in Table
range
4
Page 5
EXPLANATION OF TABLES
Table
Table
I
List
OT Operating
Seismic
1.
Station
code.
2.
Station
latitude,
3.
Station
longitude,
degrees
4.
Station
elevation,
meters.
5.
Geographic
6.
Network
2:
felt
north.
west.
location.
operator
Epicenter
Event
.
degrees
Stations.
List.
date,
or191n
t.1me(UTC),
geographic
name,
2.
Epicenter
determined
by.
WES-Weston Observatory
lDO-lamont-Doherty
Geolo<jical
Observatory
EPB-Earth
Physics
Branch,
Ottawa.
3.
Origin
4.
Event
latitude,
5.
Event
longitude,
tlme(UTC)
degrees.
degrees.
6. Event .depth, kilometers.
Depths of 0 km(U.S.)
0 km or 18 km(Canada) are restrained
values.
Table
7.
RMS error(sec)
of
8.
95% confidence
and lengthsCkm)
ellipse
datal
of semi-major
9.
Event magnitude:
Mn-Nuttli
Lg magnitude
Mc-Coda duration
magnitude(WES).
31 Event
t.
data
Event date,
Station
least-squares
and
location
semi-major
and -minor
azimuth,
axes.
geographic
name, and
list.
origin
teltdata.
2.
and
data.
cod.e.
time(UTC>,
Page 6
3.
Emergent1e)
or impulslve(i);
phase type(P,Pg,P*,Pn,S,Sg,S*,Sn).
If impulsive,
direction
of first
motion
included'
compression(c)
or dilatationCd).
4.
Station
5.
Epicentral
6.
Station
7.
Peak-to-peak
8.
arrival
is
also
time(lJrC).
distance,
azimuth,
km.
deg.
ground
maximum
signal,
envelope
corrected
Period,
amplitude
in
motion,
millimicrons,
of
the
amplitude
of vertical-component
for system response.
sec, of the
was measured.
9. Mn as calculated
distance.
in
from
signal
from
amplitude,
which
period,
o. Mc=2.23Log(O)+O.12LogCk)-2.36,
where D is the
coda duration,
in sec, and k is the epicentral
distance,
in km.
Table
41 Foreshocks,
.
Event
date,
station,
Table
origin
ma<1"itude,
51 Suspected
The format
Aftershocks,
and l~lcroearthquakes.
time{UTC),
and
geographic
and Poorly-Located
for
Tables 2 and 3.
this
table
nearest
is
recording
region.
Earthquakes.
a combination
of
those
tor
~
Page 7
APPENDIX
VELOCITY MODELS USED FOR EPICENfER LOCATIONS
IN THE NORTHEASTERNUNITED STATES
ViL
To i)~PTl1
km/sec
sec
km
6. I
6.6
8.1
0.0
0.5
6.3
0.0
4.0
4.5
5.0
6.0
0.2
I .4
0.0
1.0
6.0
Blue Mtn. L.ake, New York(LDO)
5.9
0.0
0.0
Soutneastern
i~Y and
northern
New JerseyCLDO)
5.98
6.62
8.1
0.0
1.0
6.5
0.0
7.0
35.0
New ~ngland(WES)
5.22
6.06
6.65
8.10
0.0
0.0
REGION
~~~~.-
Northern
New York
Adlrondacks(LDO)
AttIca,
and
New York(LDO)
0.0
35.0
0.16
0.82
1.80 12.63
5.85 30.24
~
North
0
0
CX)
V
0
tV
Latitude,
0
0
&()
V
CD
V
degrees
0
p')
V
V
V
0
0
N
v
0
~
.q-
0
0
m
I<)
a>
rt)
0
V
(0
t;.\ 6:
0
<D
<D
.--~
~
~
""---
~~
0
Q)
(0
~
.
~.
.
~
~
.
..:
\
,.--'
.
.
.--
0
0
~
Qj
Qj
...
00
Qj
'0
r--
~
~
QJ
~
]
~
'0'4
~
.3
'-J
~
~
0
--
~
V
t-
0
~
~
to
to-
~
0
CX)
r-
0
~.
---
1
0
cn
Figure 1.
Seismic
stations
operating
October
- December 1978
during
the
period
~
,..;;;...
North
0
<X)
V
0
l"V
0
CD
V
0
I()
V
Latitude,
0
V
V
degrees
0
f()
V
0
(\J
V
0
V
0
w
w
0
CX)
w
0
0
to~
QI
QI
s..
CIO
QI
"0
~
QI
]
~
c
~
.3
0
v
r--
~
~
~
.to
~
0
CD
r-
0
0
a)
Figure 2. Earthquake epicenters: duri,ng the period
October
- December 1978
0
0
0
q-
m
I<)
0
CX)
~
North
0
CI)
V
0
r--
v
0
<0
V
Latitude.
0
0
V
V
an
V
degrees
0
~
V
0
N
V
-
0
V
0
V
CD
0
CD
CD
0
OJ
CD
0
0
r~
Qj
Qj
~
tIC
Qj
~
.
Qj
]
~
~
~
3
0
(\J
,...
0
V
t-
~
~
Qj
:s
0
to
,...
0
a)
r-
0
0
CD
Figure 3.
Earthquake
October
epicenters
1975
- December
during
1978
the
period
0
0
V
0
m
~
0
CX)
~
TABLE
LIST OF OPERATIi~G SEISMIC STATIONS BY STATE
OCT()B~R- DECEMBER' 918
STA
10
LATITUDE LONGITUDE ELEVATION
degrees
degrees
meters
OP~RATOR
CANADA,STATIONS USED FOil LOCATIONS IN. THIS BULLt:.TIN
DLA
ELF
LND
42. 85830N
43. I 9330N
43.04000N
ELGINFIELD,ON
LONDON.ON
EPB
EPB
EPB
BROOKFIELD.CT
ELLSWOwTH.CT
HADDAM,CT
N STONINGTON.CT
STORRS,CT
~~ES
VIES
WES
VIES
r'fES
BLACKBIRD,DE
GEORGET.OWN
,DE
NEWARK,DE
DGS
DGS
DGS
69.49510W
67.48943~
69.64080~
10.24260"
69.04028~~
.70.25508W
250
304
402
259
490
365
430
20
79
378
140
1.13
ALLAGASH,l.4E
BUCKSPORT,ME
CARIBOU,ME
DICKEY.ME
DICKEY(KELLY MOrn),ME
DICKEY(CARTER BROOK),ME
DICKEY(ROCKY MTN),ME
DICKEY(BRQWNSBROOK),ME
DICKEY (TWO MILE STREAM),
EAST MACHIAS,ME
HINCKLEY,ME
JACKMAN,ME
MILO,ME
TURNER,ME
WES
WES
WES
WES
VIES
WES
WES
WES
WES
WES
WES
WES
WES
WES
JO.13500~
JO.76178W
71.12152~
70.72722W
71. 55833w~
~85
21
52
15
180
CAPE COD,MA
DUXBURY,MA
FALL RIVER,MA
GlOUCESTER,MA
HARVARD,MA
MIT
MIT
~ES
MIT
MIT
81.57330~
81.31500~
81.18330~
221
320
246
DELAWAHE,ON
CONNECTICUT
BCT
ECT
HDM
NSC
UCT
41 .49 332N
41. 83463N
41.48515N
41.48014N
41.83161N
13. 3838J~~
69
13.411132~ 342
12.52321,~
24
11.85158~
110
72.25055~
149
DELAWARE
75.67667W
BBD 39.346JIN
38.
74139N
75.41444r~
GTD
NED 39.70421N 75.70818n
18
15
46
MAINE
AGM
BPM
CBM
DIA
D2A
D3A
04A
D5A
D6A
EMM
HKM
JKM
MIM
TRM
47.08167N
69.02332~
44.63167N
68. 78933w;
46. 93250N
68.12079rl
4J. 05855N
69. 09894,~
47. 13036N 69.15244~
47. Q8.755N 69.168J2r'4
47. 18810N 69.27670~
41.0.l130N
69.26500W
41.08900N
44.73917N
44. 65640N
45. 65550N
45.24361N
44.25969N
240
80
l.4ASS ACHUSETfS
COD
DUX
FlR
ala
HRV
41.68560N
42.06861N
41.71666N
42. 64028N
42.50639N
TABLE
LNX
PAGE 2 OF 3
Continued
42.33890N
.73.27240~
QUA 42.45661N J2.37383~
WES
42. 384.69N
11. 32208r~
WFM 42.61056N 7..49056~
WGMA 42.28900N
.71.58500W
345
201
60
8J
130
LENOX,MA
QUABBIN ,MA
WESTON,MA
WESTFORD,MA
~ESTBORO,MA
WES
WES
~ES
MIT
~GE
472
200
24
200
180
200
200
280
659
200
220
BERL1N.NH
CENTER SANDWICH.NH
DURHAM.NH
GOE HILL.NH
HANOYER.NH
LACONIA.NH
MOULTONBOROUGH.NH
OAKHILL,NH
PITCHER MTN,NH
WES
WGE
MIT
WGE
WES
WGE
WGE
MIl
MIT
WGE
MIT
HAMPSHIRE
BNH 44.59059N
CSNH 43.81600N
71.25638~
71.46200w
DNH
43. 12250N 70. 894J.8W
GHNH 43.87 OOON 71. .11 900W
HNH 43.70528N
LANH 43.59100N
MBNH 43..72700N
72.28556W
71.49000~
7J.32200r4
ONH 43.27916N 71.50554~
PNH 43.06 I 94N 72. 13582r~
WBNH 43.60400N
11.09900r4
WNH 43.86832N
11.39972~
~'40LFEBORO,
NH
WHITEFACE.NH
JERSEY
GMTN 40.88250N
GPO 41.01767N
LVNJ 40.80950N
aGO 41.06667N
paN 41.00731N
14.IB450~
165
74. 46083r1 360
74.75150t.
201
74.61664W -363
75.08582_1 229
PRIN 40.36683N
74.71783_~
liD
RAMA 41.09517N
74.21400_1
247
GARRET MOUNTAIN.NJ
GREEN POND.NJ
LONG VAu.EY.NJ
()GUENSBURG.
NJ
PAHAQUARRY.NJ
PRINCEION.NJ
RAMAPO.NJ
Loa
Loa
Loa
Loa
Loa
Loa
Loa
NEW YORK
ALX ' 44.32250N 75. 92800,~ 122
APH 43.84131N 74.49698H
564
BGR 44.82883N 74.37417w.
BING 42.0/75.67N 75.97667w
BLM 41.32970N ,73.95499tl
CANY 42.92550N 78. 85283,~
CLIN 41.81500N J3.84900~
CLY 43.85132N 74.44899i~
CR(~ 43.90500N 75.41250~
CTR 43.87415N 74.45998~
DANY 44.~5833N 73.83567w
DBM 41.29442N 73.97498~
DNY 42.83632N 78.16881~
DPL 4J.25278N 73.91083~
EGN 43.85962N 74.48183f4
GOB 41 .32944N 73. 921 94,~
GSC 41 . 2661 ON 74. 0O388r~
IPS 41.26722N 73.94833w
329
408
134
192
168
5.79
244
585
507
27
381
67
549
150
110
0
AMr~H 40.78083N 73. 97383r~
0
MEDY 43.18183N 78.39033r~
186
I\(SNY 44. 99833N 74.86200t~
55
OCN 43. 88483N 74.52933t~
701
OSB 41.36028N 73.92386~
212
ALEXANDER BAY,NY
AIRPORT HANGAR,NY
BANGOR,NY
BINGHAMTON,NY
BLUM,NY
CANISUS,NY
CLINTON,NY
CRYSTAL LAKE,N'i
CROOHAN,NY
CASTLE ROCK,NY
DANNEMORA,NY
DUNDER8URG MTN,NY
DERSAM,NY
DELLI PAOLI,NY
EAGLES NEST,NY
GOBBELET,NY
GIRL SCOU'f CAMP,NY
MANHATfAN,NY
MEDINA,NY
MASSENA,NY
OVER CASn.E ROCK,NY
OSBORN,NY
LDO
LDO
LDO
LDO
CON*
LDO
LDO
LDO
LD<)
LO<)
LO<)
CON*
LDO
CON*
LOO
CON.
COi~*
CON.
LDO
LDO
LOO
LOO
CO1'i*
TABLE
PAGE 3 OF 3
Continued
PAL 41.00417N 73.90915~
PNY
PIN
SANY
SNP
44.83414N
44.57248N
43. 1 1383N
4.1.2'4083N
73.55498:."4
.74.98282.1
78.87033rl
73.97110,-
SPS
SRM
Sn.
TBR
41.30193N
41.22832N
41.18860N
41. 14165N
73.89055W
74.01389n
74.00359w~
74. 22220w~
UWL 43.83783N 14.54332~
WGL 41. 35889N
WND 42. 33150N
WNY 44.39098N
73.89943,~
74.15250~
73.85950~
WPNY 41. 80300N
WPR 41 .25464N
73.97067.~
73.58565'(~
WVLY 42.4JO83N, 78.56833"
91
1:77
238
172
30
168
165
125
261
561
152
602
598
76
152
600
PALISADES ,NY
PLATTSBURG ,NY
POTSDAM,NY
SANBORN,NY
WEST VALLEY,NY
LOO
LDO
1..DO
LOO
COl~*
CON*
CON*
CON*
LD<)
LOO
CON*
LOO
LOO
LOO
LOO
LD<)
0
0
0
0
352
BEAVER,PA
ERIE,PA
MILLERSVILLE,PA
ABINGTON,PA
STATE COLLEGE,PA
PSU
PSU
MSC
PSU
PSU
3 00
85
3 70
366
2 95
5 80
13 4
262
240
BALTIMORE,VT
COLCHESTER,VT
DERBY,VT
FLETCHER,VT
IRA,VT
MARLBORO,VT
MIDDLEBURY.VT
STONEY PT,NY
ST PETERS SCH{)()L,NY
SCHERMAN,NY
STILES,NY
TABLE ROCK,NY
UTOWANA LAKE ,NY
WEGEL,NY
WINDHAM,NY
WI LM INGTO1'J, l~Y
~4ESTPARK,i'IJY
WARD POUND RIDGE,NY
PENNSYLVANIA
BVR
ERI
MVL
PHI
SCP
40. JOOOON 80. 33333t~
42. I 3332N 79.9,8331 ~~
39.99917N
76.35056rl
40. II 664N 75.13332V~
40. 79500N 71.86497~
RHODE ISLAND
VERMONT
BVT 43.34882N 72.S8S26~
COV
44.S1761N
73.
1 4583v~
DVT 44.96200N
FLET 44.72278N
72. 17090~~
72.9S167,~
IVT
MARL
43.S22t4N
42.83833N
73.0S327~
72.80083n
MDV
43.999&SN
:73.18114~~
MDVT 44.91J61N
72.62.778~~
MPVT 44.27833N J2.60667n
*
MONTGOt4ERY.VT
MONTPELIER9VT
WES
LO<)
WES
LOO
WES
LDO
LOO
LOO
LOO
STATION CODES NOT ALL CLEARED THROUGHNEIC
OPERATOR CODE
CON
DGS
-- CONSOLIDATED
EDISON,INDIAN POINT,NY
DELAWAREGEOL()GICAL SURVEY
-- LAMONT-DOHERTY
EARTH PHYSICS BRANCH,DEPT.OF ENERGY,MI1~ES,AND~ESOURCES,CANADA
GEOLOGICAL OBSERVATORYOF COLUMBIA UNIVERSITY
MIT - MASSACHUSETTSIN~TI.ruTE OF TECHNOLOGY
MSC - MILLERSVILLE STATE COLLEGE
PSU - PENNSYLVANIA STATE UNIVERSITY
WES EPB
Lo()
.WESTON OBSERVATORY,BOSTON
COLLEGE
C\/
W
..J
co
~
(/)
~
,...
...,
~
W
0:
H
Z
w
U
<
~
Z<
-
00:
.c(W
!-4
CD
(/)O~
""'ZW
-J<U
W
~(/)Qa>
I-UW
t":
~!-4'o.
UJ
~
:J
H
Z
<-'
-<
~
0.. e
I
1
1
!.1J~ I
.'::)
w
~OII
Wl-cQ:
U(/)W'
CD
o.QO
:::J
~OI
-G>
1-40
<
-J
l1J
q
-0)1
'"'01
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TABLE 3
~ARTHQUAKEDATA LIST
NORTHEASTERNUNITED STATES AND ADJACENT REGIONS
OCTOBER DECEMBER
-
1918
51 A PHASE
AZ
9780CT030315
SANYeP
SANYeS
DNY eP
DNY eSWVLYePg
03
03
03
03
03
NED
eP
PRIN epq
47.2
51.2
50.3
56.9
58.0
29km
29km
47km
47km
18km
PA,LANCASTER
19 25
55.8
06.7
08.5
PQN
LVNJ
GPO
AMNH
epq
ePg
ePg
ePg
19
19
J9
19
19
PAL
eP*
19 26 20.4
TBR eP*
~VPR
eP*
26
26
26
26
26
09.8
14.5
18.5
19 26 18.4
19 26 25.0
CLIN
eP*
19 26 26.2
19 26 27.7
BCT
ECT
HDM
UCT
NSC
QUA
eP*
eP*
eP*
eP*
eP*
e**
19
19
19
19
19
19
WPNYeP*
26
26
26
26
26
26
28.1
31.1
35.2
39.8
42.5
54.5
MARL eP*
19 26 45.0
BVT
19 26 52.3
eP*
19780CTI2 OIOJ
PTN eP
PTN eS
MSNYeP
MSNYeS
BGR eP
BGR eS
Continued
PEHIOD
MAGNITUuE
--
---
NY,MEDINA
15
15
15
15
15
211dg
211dg
I 42dg
I 42dg
I 83dg
J9780CTO4
718
ME,U()V~R-F()XCR()FT
1~1.M eP
1 18 20.3
11km
56dg
BPM eSg
1 18 38.4
68km
155dg
HKM ePg
1 18 31.3
l1km
213dg
HKM eSg
1 18 38.5
l1km
213dg
JKM eSg
7 18 41.5
100km
302dg
EMM eS*
1 18 58.5
140km .JIOdg
BNH epg
1 t 8 48.0
I -'9km
249dg
BNH eSg
1 19 10.6
119km 249dg
9780CT061925
AMP
51km
30.8
33.4
33.3
37..8
36.5
44.0
4mu
2mu
3mu
O.2sec
O.2sec
O.2sec
55mu
64mu
28mu
O.3sec
O.3sec
O.2sec
. 681.'ic
.SIMc
. 771-\n
.50Mn
.86Mn
.94Mc
INT. V
140dg
13dg
38dg
141km
53dg
174km
52dg
191km
65dg
199km 52dg
213km
60dg
250km
57dg
264km
42dg
216km
42dg
279km
54dg
300km
48dg
340km
61dg
379km
51dg
391km
65dg
410km
48dg
414km 41dg
468km
31dg
122km
136km
NY,MADHIU
0107
01 07
01 07
0107
0107
0107
5mu O.2sec
20km
20km
36km
36km
59km
59km
50dg
50dg
33dg
33dQ
19d9
79dg
41mu O.3sec
IOmu
O.2sec
3
. 08.~n 2.91Mc
3.I]Mn
3.03Mn
2.94Mc
2.94Mc
3. 1Ol.{n
3.01Mc
2. 74Mn 3.13Mc
TABLE 3 (Continued)
STA
---
ARRIVAL
PHASE
._-~-~-
ALX ePg
CROG .ePQ
CROG eSg
DANYePq
UANYeSg
WNY eSg
APH epg
APH eSg
PNY eSg
01
01
01
LND eP
LND eS
ELF ePg
ELF eSg
DLA epq
DLA eSg
SANYaPg
SANYeSg
WVLYePg
DNY aP*
I 9780CT20
42.8
01
55..8
0107
01 01
0' 01
01 08
51.6
45.1
58.2
01.9
0539
05
05
05
05
05
05
05
9.780CT24 0337
MDV ePg
MDV eSg
MPVT epg
MPVT eSg
HNH epg
WNY epq
WNY 8.5g
PNY epg
PNY &5g
MGVT e,Sg
CLY eP*
CLY eS*
MARL eS*
BNH e
0.1 42.5
01 53.6
01
22
22
22
22
22
22
22
22
22
22
ePq
eSg
epg
eSg
ePn
eSg
eSg
0.7 40.0
0101
19180CT152236
EMM
EMM
BPM
BPM
MIM
MIM
CBM
Page
--LJIST
79 km
95 km
95 km
101 km
101km
106 km
110km
110km
124 km
AZ
AMP
---
PERIOD
---
2 ot
6
MAGNITUiJE
235dg
I 95dg
I 95dg
88dg
88dg
.IIOdg
I 53dg
153dg
84dg
ON,DRUMBO
3J
3J
3J
37
37
37
37
31
37
37
04.2
JI.5
05.9
13.3
08.3
17.4
17.8
33.9
24.9
28.8
NB,LAKE
39 48.1
39 56.]
40 03.6
40 23.8
40 03.3
40 25.8
40 37.9
5Jkm
57km
62km
62km
94km
94km
138km
138km
186km
20lkm
UTOPIA
]3km
73km
167km
167km
113km
173km
217km
244dg
244dg
262dg
262dg
241dg
241dq
94dq
94dq
118dq
IO3dg
225dg
225dg
248dg
248dg
212dg
212dg
333dg
4mu O.lsec
2.25Mn
2.08Mc
2.02Mn
2.04Mc
3mu
o. sec
3mu
O.2sec
. 81 t~n
5mu
O.lsec
.95Mn
2mu O.lsec
.86Mn
VT,SOurHEAST OF BRISTOL
03 37 28.8
03 37 31.4
03 31 32.0
03 37 36.2
03 37 37.3
03 37 31.7
03 37 47.0
03 37 40.4
03 37 52.3
03 37 51.2
033J
44.4
03 37 59.4
033803.5
20km
20km
36km
36km
11km
77km
-77tm
94km
94km
95km
121km
121km
141km
148km
235dg
235dg
56dg
56dg
128dg
295dg
295dg
331dg
331dg
l.7dg
257dg
257dg
174dg
68dg
2.I~Mc
PaQe 3 of
TABLE 3 (Continued)
ARRIVAL
19780CT262153
DNY eP
DNY eS
WVLYePg
WVLYeSg
SANY ePg
SANYeSg
BING eSg
CROG eP*
CRaG eS*
ALX eP*
ALX .eS*
APH eP*
APH eS*
ClY eS*
21
21
21
21
.2J
21
21
21
21
21
21
21
21
21
19.780CT212352
NSC
NSC
WES
WES
ijCT
UCT
HDM
HDM
QUA
QUA
ePg
eSg
epq
e.**
eP*
eS*
eP*
eS*
ePg
eSg
23
23
23
23
23
.23
23
23
23
23
ePg
eSg
epg
epg
eP*
ePn
ePn
epg
ePgo
ePn
epg
ePg
ePg
35km
35km
65km
65km
'04km
IO4km
165km
240km
240km
241km
241km
30lkm
30lkm
305km
~_.
---
37km
37km
99km
100km
150km
181km
188km
188km
191km
230km
249km
294km
339km
18dg
18dg
317dg
37dg
59dQ
36dg
250dg
204dg
4dg
225dQ
68dg
234dQ
22:7dg
O.1sec
4mu
3mu
O.lsec
O.lsec
.99,\o\n
.84Mn
3mu O.lsec
.99Mn
3mu O.2S8C
.81Mn
06
06
32
32
23.8
29.8
35km
91km
22dg
316dg
HKM
HKM
BPM
BPM
HNH
epg.
eSg
eP*
eS*
eSg
06
06
06
06
06
32
32
32
32
32
30.0
41.3
37.7
55.3
57.3
98km
98km
149km
149km
153km
39dg
39dg
60dg
60dg
260dg
.64Mc
2. 601.(c
2mu O.lsec
2. 49Mn 2.65Mc
2.19Mc
2.
23mu O.3sec
12mu O.2sec
2.53Mn
2.43Mn
70l.\c
2.69Mc
2.62Mc
2.63Mc
2.74Mc
2.69Mc
2..81 Mc
2.78Mc
ME,CRESCENTLAKE
eSg
ePg
.26Mc
1.79Mn
3mu
ME.CRESCENT
LAKE
23 59 49.3
23 59 53.2
2359 59.3
23 59 59.7
240007.8
24 00 .110.1
24 00 12.7
24 00 13.4
240014.4
240017.5
24 00 23.4
24 00 3J.2
24 00 38.5
THM
BNH
Continued
PERIOD
3O6dg
306dg
252dg
252dg
305dg
305dg
JI2dg
54dg
54dg
39dg
39dg
63dg
63dg
63dg
MA,SO(JfH OF DARTMOUTH
25km 331dQ
52 38.3
71km 261dg
52 47.6
71km 267dQ
52 43.9
100km 345dQ
52 54.5
100km 345dg
52 44.8
JIOkm 2.89dQ
52 51.8
.1JOkm 289dg
52 41.5
121km 269dg
53 02.6
121km 269dQ
52 52.0
J54km 313dg
53 11.2
154km 313dg
23 52 30.6
19J80CT30 0632
.
47.1
50.1
51.2
00.3
58.0
11.5
24.7
16.6
44.6
17.3
45.2
24.8
00.3
00.4
epg
TRM
TRM
BNH
HKM
BPM
MIM
BV~
WES
JKM
QUA
EMM
LNX
ECT
AMP
.--
NY,MOUiiTj~ORRIS
53
53
53
54
53
54
54
54
54
54
54
54
55
55
FLR
9780CT292359
-AZ
1)15T
--
6
3mu
O.2sec
.
1 801,(n
Page
TABLE 3 (Continued)
06
32
41..7
06 33 05.0
06 33 07.5
19780CEl- 0316
TRt~ ePg
03
TRM eSg
03
BNH epg
03
HKM epq
03
HKM eSg
03
BP,\( eP*
03
BPM eS*
03
MIM ePn
03
MIM egg
03
EMM ePn
03
79km
19km
88km
ME,CRESCENTLAKE
16 53."3
32km
25dg
16 57.5
32km
25d;
1J 02.9
93km 315dg
17 04.0
97km
40dg
IJ 14.9
97km
4Odg
17 ,11.7
149km
61 dg
17 29.1
149km
61dg
17 15.5
1.7Jkm
38dg
17 38.1
117km
38dg
1J 24.2
248km
70dg
9180CT31 0449
epg
eSg
epg
eSg
04
04
04
04
34.4
38.1
45.1
56.5
32km
32km
91km
91km
BPM
eP"*
04 49 53.2
149km
BPM eS*
MIM ePg
MIM eSg
04 50 10.J
04 49 58.2
04 50 20.1
149km
177km
177km
49
49
49
49
978NOV09 0028
ePg
ePg
174dg
159dg
160dg
160dg
00 28 29.3
10lkm
00 2842.2
00 28 30.1
I 0.1km
00 28 38.7
0028
25dg
25dg
4Odg
40dg
61dg
61dg
38dg
38dg
95km
97km
D3A eSg
AGM eP*
CBM eSg
.41Mn
.71Mc
O.lsec
2.21Mn
.98Mc
3mu O.3sec
.57Mn
.99Mc
.96Mn
.76Mc
4mu
3mu
O.lsec
PQ.NOR1"H
OF RIVIERE DU LOUP
00 28 28.7
00 28 29.2
D3A ePg
CBM ePn
mu O.2sec
ME,CRESCENT
LAKE
TRM
TRM
HK~
HKM
D6A
D2A
3.7dg
31dg
4dg
.901.(c
ePn
eSg
eSg
6
AZ
STA PHASE
MIM
MII~
JKM
4 of
58.5
I 978NOV10 0343
PO,WOlF
MSNY epg
03 .44 00.4
MSNYeSg
03 M 11.1
BGR eP*
03 -44 05.4
BGR e.S*
03 44 20.2
PIN eP*
03 44 06.8
PIN eS*
03 44 22.2
DANYePn
03 44 JI.O
DANYeSn
034429.3
ALX ePn
03 44 1J.8
ALX eSn
03 44 30.8
PNY eSn
03 44 32.2
APH ePn
03 44 20.1
APH eSn
03 44 44.5
106km 155dg
159km 134dg
159km
lAKE
81km
81km
122km
122km
130km
130km
I 56km
156km
164km
I 64km
168km
218km
218km
I 34dg
I 58dg
I 58dg
144dg
I 44dg
110dg
110dg
I 33dg
133dg
I 98dg
198dg
125dg
163dg
I 63dg
2.09Mc
9mu O.lsec
7mu O.3sec
2. 36Mn
.1.9JMn
2.
Mc
Page 5 of
TABLE 3 (Continued)
$I A PHASE
ARRIVAL
976NOV23 0915
EMM ePn
09
EMM eSn
09
BPM ePn
09
HKM ePn
09
MIM ePn
09
JKM ePn
09
BNH ePn
09
NS,OFF
5 59.4
6
6
6
6
6
6
21.5
06.9
14.2
12.9
26.3
27.4
OIST
---
AZ
.-
--AMP
SOUTHWEST C{)AST
20lkm
331dg
201.km 331dg
261km 309dg
319km 302dQ
321km 317dg
421km 312dg
432km 293dg
PERIOD
---
6
MAGNITUUE
5mu O.2sec
2. 55Mn 2. 78tAc
Omu O.3sec
2.30Mn
3.01Mc
Bmu
O.2sec
2.31Mn
2.84Mc
2mu
O.lsec
978DECO40205 ME,BLUr: MOUNTAIN
BNH
BNH
HKM
HKi'I\
JKM
JKM
MIM
BPM
ePg
eSg
ePg
eSg
eP*
eS*
eS*
eSg
02
02
02
02
02
02
02
02
978UEC20 0439
MIM iPgD 04
HKM IPgD 04
HKM eSg
04
BPM ePg
04
BPM e.Sg
04
JKI~ ePg
04
JKM eSg
04
BNH eP*
04
EMM epg
04
EMM eSn
DVT epg
D6A e
AGM epg
05
05
05
05
05
05
05
05
08.4
14.2
16.4
29.5
20.9
33.0
42.4
47.5
41km
41km
92km
92km
109km
109km
148km
159km
244dg
244dg
97dg
97dg
23dg
23dg
68dg
94dg
ME,WES.i"OF DEXTER
INT.
39 07.9
41km
58dg
39 09.2
45km 196dg
39 14.4
45km 196dg
39 13.8
J2km 130dg
39 22.6
72km 130dg
39 11.2
90km 319dg
39 21.2
90km 319dg
39 26.6
149km 251dg
39 28.5
lolkm
102dq
04 39 46.7
161km 102dg
04 39 37.1
212km 269dg
227km 36Odg
04 39 40.2
229km
9dQ
I 918DEC28 0924
~"NY iP C 09
WNY eS
09
DANY iP D 09
DANYeS
09
PNY iP C 09
BGR eP
09
BGR eS
09
COY eP
09
COY eS
09
FLET epg
09
FLET eSg
09
MuV ePg
09
CLY epg
09
CLY eSg
09
PTN iPgC
09
PTN eSg
09
APH epg
09
Continued
mu
mu
o. sec
o. se.c
II
3mu
o.
3mu
o. sec
.59Mn
.61Mn
.75Mc
2.15Mc
2.12Mc
sec
.771~n
.99Mc
4mu o. sac
.94Mn
.99t.~C
2mu
9mu
O.lsec
O.2sec
1.87Mn
2.56Mn
2. I ot..c
5mu
o. sec
2.40Mn
2. 17Mc
5mu o. sec
2.42Mn
2.13Mc
2.19Mc
NY,NOR1.HWEST OF WILMINGTON
24 53. 1
15km
170dg
24 55.1
15km
110dg
24 54.9
21km
9dg
24 58.1
21km
9dg
24 51.4
44km
31dQ
24 58.1
52km
312dQ
25 05.2
52km
312dg
24 59.1
60km
84dg
25 01.0
60km
84dQ
25 02.6
18km
13dg
25 12.6
78km
73dg
25 03.1
81km
135dg
25 03.9
81km
211dg
25 14.5
81km
211dg
25'04.3
81km
214dg
25 15.3
81km
214dQ
25 04.3
90km
213dg
INT. IV
1.95Mc
TABLE 3 (Continued)
Page
UI5T
AZ
AMP
--~
APH eSg
MSNYePg
MPVT epg
MPVT eSg
MGVT e Pg
ALX epg
09
09
09
09
09
09
25
25
25
25
25
25
15.5
05.1.
OJ.2
19.6
01.7
15.8
9Okm 213dg
94km 305dg
106km 104dg
IO6km 104dg
lO9km
66dg
I 64km
263dg
PERIOD
---
6 of
6
TABLE 4
FORESHOCKS, AFTERSHOCKS, AND MICR()-EAtlTHQUAKES
DATE ARRIVAL-TIME STATION
.14 OCT 1617
CTR
15 oc'r 06481.8.
TBR
29 ()CT 0731
ATT
30 i'lOV 0049
CTR
04 DEC 010128.
CTR
04 DEC 010242.
CTR
09 DEC 2007
CTR
09 DEC 2017
CTR
09 DEC 2200
CTR
09 DEC 2232
CIR
09 DEC 2238
CTR
09 DEC 2320
CTR
10 DEC 2314
CTR
11 DEC 1)012
CTR
II DEC 0223
CTR
11 DEC 0241
CTR
11 DEC 0447
CTR
I 1 DEC 0456
("TR
11 DEC 0456
CTR
.11 DEC 0516
CTR
II DEC 0600
CTR
II DEC 0616
CTR
JI DEC 0727
CTR
II DEC 075:7
CTR
JI
OEC
0759
CT~
11 DEC 0800
.
CTR
11
13
15
16
16
24
24
DEC
DEC
DEC
DEC
DEC
lJEC
OEC
0802
0550
0101
0013
0052
()844
1240
CTR
CTR
CTR
CTR
CTR
CTR
CTR
MAGNITUDE
<I
<I
<1
<1
<I
<I
<1
<I
<I
<1
<1
<1
<1
<I
<I
<I
<1
<I
<I
<1
<1
<1
<1
<I
<1
<I
<I
<I
<1
<I
<1
<1
<I
LOCATION
BLUE MOUNTAIN LAKE,
TABL~ R()C1(, NY
AnICA,
NY
NY
BLUE MOUN'fAIN LAKE, NY
BLUE MOUNTAIN LAKE, NY
BLUE
BLUE
BLUE
BLUE
BLUE
BLUE
BLUE
BLUE
BLUE
BLUE
BLUE
BLUE
BLUE
BLUE
BLUE
MOUl~TAIN
MOUNTAIN
MOUNTAIN
MOUNTAIN,
MOUNTAItJ
MOUN1"AIN
l~OUNTAIN
MOUN1"AIN
MOUNTAIN
MOUNTAIN
MOUNTAIN
tAOUNTAIN
MOUNTAIN
MOUNTAIN
MOUNTAIN
LAKE,
LAKE,
LAKE,
LAKE,
LAKE,
LAKE,
LAKE,
LAKE,
LAKE,
LAKE,
LAKE,
LAKE,
LAKE,
LAKE,
LAKE,
NY
NY
NY
NY
NY
NY
NY
NY
NY
NY
NY
NY
NY
NY
NY
BLUE ,'40UNTAIN LAKE,
BLUE MOUNTAIL~ LAKE,
NY
BLUE
BLUE
BLUE
BLUE
BLUE
BLUE
BLUE
BLUE
BLUE
BLUE
BLUE
NY
NY
NY
NY
NY
NY
NY
NY
N¥
NY
NY
MOUNTAIN LAKE,
MOUNTAIN LAKE,
MOUNTAIN LAKE,
MOUNTAIN LAKE,
MOUNTAIN LAKE,
MOUNTAIN LAKE,
MOUNTAIN LAKE,
MOUNTAIN LAKE,
MOUNTAIN LAKE,
MOUNTAIN LAKE,
MOUNTAIN LAKE.
NY
TABLE 5
SUSPECTED
AND POORLY LOCATEU.EARTHQUAKES
NORTHEASTERN UNITED STATES AND ADJACENT REGIONS
(>CTOBER
DECEMBER
-
1978
19780CTI 0 2148
*\'fES
21 48 1()
D6A
D3A
D3A
UIA
AGM
CBtA
CBM
epq
epq
eSq
ePq
epq
e Pn
eSn
21
21
21
21
2.
21
21
1 9780CTI 9 1752
*WES
17 52 31
AGM ePg
17
DIA
eSg
I7
CBM ePg
17
CBM eSg
t7
PQ,RIVIERE UU LOUP
47.9N 69.6W
OR 0.10
48
48
48
48
48
48
48
24.3
25.2
36.5
26.1
25.8
34.5
52.5
87km
92km
92km
97km
97km
152km
152km
175dg
159dq
159dg
157dg
153dg
132dq
132dg
89
6.2
2.16Mc
9mu O.4sec
52 40.9
52 50.4
52 46.3
52 57.3
68.8W
64km
68km
93km
OR 0.24
196dg
200dg
I 47dg
93km 14Jdg
I 6 07 41.8
t 6 07 26.2
I 84km 178dq
250km 156dg
19180CT262145
*WES 21 45 15
D6A epg
21
D6A eSQ
21
D2A epg
21
D3A ePg
21
D3A eSg
21
160
5mu
o. 80
sac
3mu
O.2sec
ePg
1978NOVO31247
*LD<)
MDV
MDV
WNY
WNY
Continued
NY,LAKE GEORGE
43.8N
73.5W
OR 0.46
12 47 16.4
34km
49dg
12 47 20.8
34km 49dg
12 47 22.4
72km 337dg
.12 47 31.7
72km 337dg
11
12 47
eP
eS
ePg
eSg
12mu O.3sec
PO.NORTH OF RIVIERE DU LOUP
41.9N
o9.6W
OR 0.10
90
9.7
45 30.3
91km 176dq
45 41.6
91km 116dg
45 30.1
92km I 59dg
45 31.1
96km 161dq
45 42.9
96km 161dg
21 45 32.0
10lkm
155dg
6mu O.Isec
21 45 32.1
10lkm
I 59dg
AGM ePq
DIA
-
2.02Mc
.92Mn
PQ,SOUIHEAST
OF CABANO
47.6N
19780C'f23 1606
PQ,.SOU.L'H~EST OF LA POCATIERE
*WES 16 06 49 47.3N
70.3W
OR 0.40
128
9.0
D6A epg
16 07 00.2
68km II0dQ
D6A eSg
I.6 07 08.8
68km II0dQ
D3A ePg
I.6 07 04.4
92km 105dg
OIA epg
16 07 05.3
98km 106dg
01A sSg
16 07 18.0
98km 106dg
AGM ePg
160106.1
103km 103dg
25mu O.lsec
AGM eSQ
16 07 19.5
103km 103dg
CBM ePn
t 6 07 16.7
174km 103dg
18mu O.2sec
CBM sSg
...607 38.4
114km 103dg
JK1A e Sg
MIM ePn
.9t~n 2. I MC
3.4
58 1 .8Mn
1.92Mn
.65Mc
.64Mn
5.0
2
.6Mc
.51~n 2. 3Mc
2.81Mn
2.24Mc
2. 59Mn 2.38Mc
2. 24Mn
3.
2.2Mn 2.4Mc
2.47Mc
2.39Mc
2. 44Mc
2.20Mn
2.36Mc
TABLE 5 (Continued)
CLY ePg
CLY eSg
FLET epq
FLET eSg
PNY ePq
PNY eSg
MARL epg
12
12
12
12
12
12
12
1978NOV 13 1945
*WES 19 45 46
AGM epg
I9
AGM eSg
19
19
D3A ePg
CBt.i ePg
I' 9
CBftt eSg
19
Page 2 of
47
47
47
47
47
47
47
23.2
33.2
28.5
43.3
29.0
43.4
30.1
3
7k m
27 5 d9
2 7 5 d9
,II 2 k m
2 3 d9
.11 2 k m
2 3 di9
... 1 5 k m
3 5 8,d 9
35 8 d9
11 5 k m
12 I k m
15,2 d 9
.7
.7 7 k m
PQ,CABANO
\.'>8.9W
47.1N
45
46
45
46
51.4
06.2
51.9
03.0
70km
70km
72km
103km
46
I 5'.5
103km
OR 0.08
I
I
I
I
89dg
89dg
98dg
46dg
.,
5.6
2mu O.2sec
5.4
.3,~n
1. 8Mc
1.68Mc
.97Mc
.30Mn
I 46dg
19781~OV13 2009
*WES 20 09 00
D6A epq
20
D3A epq
20
D3A eSq
20
AGM ePq
20
CBM ePn
20
CBl~ eSq
20
PQ,RIVIERE DU LOUP
47.9N
69.6W
OR o. 9
70 J .9
09 15.1
86km 174dq
09 15.7
92km 159dq
09 27.2
92km 159dq
09 16.4
98km 153dg
09 25.3
153km 132dq
2mu O.2sec
09 44.5
153km 132dq
1978NOVI32025
*WES 20 25 03
D6A epg
20
fJ6A eSg
20
D3A ePq
20
AGM ePg
20
PQ,NORIHEAST OF PICARD
41.6N
o9.5W
OR 0.16
25 .11.6
1j3km 180dg
25 18.2
53km 180dg
25 12.8
S9km 155dg
25 13.4
65km I 46dg
1978NOV15 0931
*LDO 09 31 56
APH ePq
09
APH eSq
09
CRaG ePg
09
CRaG eSg
09
IVI
eSq
09
MDV eSg
09
MARL epq
09
Wt~Y eSg
09
CLIN epg
09
CLIN eSg
09
BVT eSg
09
DAl~Y eSg
09
HNH eSg
09
MPVT eS*
09
NY,NOR1~HOF JOHNSTOWN
43.2N
74.5V4
OR 0.4
32 07.3
76km
3dg
32 17.1
76km
3dg
32 12.3
109km 320dg
32 25.4
109km 320dg
32 30.4
127km
71dg
2mu O.2sec
32 34.9
144km
49dg
32 18.1
146km 104dg
32 36.3
147km
22dg
32 19.9
154km 158dg
32 37.2
1~4km 158dg
32 38.3
160km
82dg
8mu O.2sec
32 46.3
187km
17dg
32 47.3
1Y2km
71dg
9mu O.2sec
32 51.5
199km
51dQ
109
49
1.9
.6Mn 2.QI'.\c
.96Mc
.64Mn
45
.8Mc
.77Mc
2.29Mn
2.04Mc
2.2tMn
.85Mc
2.3QMn
.87Mc
TABLE 5 (Continued)
1978NOV152251
Page
*WES 22 51 27
D6A epq
22
D6A eSq
22
D3A ePQ
22
AGIA ePg
22
u5A eSq
22
CBM eP*
22
CBM eSn
22
PQ.SOU'fHEAST OF RIVIERE iJU LOUP
47.8N
69.4W
OR 0.53 116
21
51 39.4
79km 185dg
51 50.4
19km 185dg
51 40.0
81km 168dg
51 41.6
84km 160dg
51 51.9
88km 173dg
51 49.4
136km I 34dg
4mu 0.2sec
52 05.9
136km I 34dg
19781\jOV26 1338
*y4ES 13 38 21
PQ,SOUJ.'H OF LA POCATIER~
41.3N
10.IW
OR 0.28
06A
D6A
D2A
epq
eSg
ePg
133830.5
13 38 36.5
13 38 33.7
AGM eSq
13 38 46.5
AGM ePg
13 38 35.5
53km 118dg
53km IIBdg
76km 105dg
U.7km
87km
40
58
3 of
13.9
1.6Mn 2.0Mc
.
1 96,\{c
1.64Mn
24
IO1dq
101dg
D2A
D6A
D6A
ePg
epq
eSg
AGM ePg
CBM
CBM
PQ,RIVIERE DU LOUP
41.9N
69.5W
OR 0.31
21 27 05.8
86km 161dg
21 21 05.6
86km 119dg
21 26 51
eP*
eS*
21 21 .16.7
2127 07.1
2127
16.0
21 21 32.9
86km
95km
148km
148km
179dg
I 51dg
134dg
134dQ
1.9"\c;
I.77Mc;
1.91Mc
1978DEC222126
*WES
3
118
f.9
5mu O.2sec
12.0
1.92Mn
DISTRIBUTION
tic
Re c i.Q1.aD..t
30
Dr.
Jerry
Branch,
Harbour,
Nuclear
30
Dr.
Paul Pomeroy, New York State
Coordinator
NEUSSN
Geologist
and
5
Dr.
M. t~afi "rOKSOZ, tAassachusetts
Technology
Institute
of
5
Dr.
Yash P.
Observatory
Aagarwal,
s
Or.
Shelton
University
S.
5
Dr.
5
Earth
Consolidated
Weston
Lamont-uoherty
Alexander,
Ken ~oodruff,
Physics
Chief.
Site Safety Research
Regulatory
Commission
Edison
Observatory
Pennsylvania
State
Geological
Survey
Delaware
Branch,
Canada
of
New York
Library
File
N
Dr.
E.F.
Boston
Chlburis,
College
Weston
Geological
Observatory,