NUREG
WES-238-023
Northeastern U.S. Seismic Network
Bulletin No. 14
of
Januarw
01,
1979
Co.piled
-
March
and Edited
E.F. Chiburis
R.O. Ahner and T.
Department
Paul
31,
1979
b~
Greha.
Weston Observatorw
of Geolo.w and Geophwsics
Boston Colle~e
w. Pomero~,
Coordinator
United States
December
Geolo.ic8l
Survew
1979
MEMBERS
Weston Observatorv
of Boston Collese
Massachusetts
Institute
of T.chnolos~
La.ont-Dohertv
Geolosical
Observatorv
of ColuMbia Universit~
Pennsvlvania
State Univ.rsitv
Delaware Geolosical
Surve~
Maine GeoloSical
Survew
State Univ.rsitw
of New York at Stonw Brook
Nuclear Re.ula~orw
Com.i.sion
Uni~ed S~ates GeoloSical
Survew
NB~ional Scienc.
Foundation
New York State Ener.w and Resources Develop.ent
New York S~.te Science Service
-
Authoritw
ABSTRACT
This
report
in the
seis",icit~
Januarw
-
network.
the
is
northeastern
March 1979.
Included
seismicity
for
included
are
t.ables
of
all
data
for
Guarter.
event
velocit.'=I
States
United
Rtodels
the
durin.
the
the
locatiorls,
for
the
for
the
"'BPS
Quarter,
epicenters,
An Appendix
of
bulletin
Quarters.
fourteen
station
appropriate
States
are ~eo~raphic
and seismicitw
stations
cumulative
ouarterl~
fourteenth
the
period
af
and of
Also
arid
describes
northeastern
United
Pase 2
ACKNOWLEDGMENTS
Partial
or
gratefull~
Office
GeoloSical
S~a~e
the
from
are
routinelw
and
station
u.s.
border
Energy,
stations
to
data
some of
are
provided
Mines
been
of
the
Geolog~
provided
Dept.
of
by the
b~ the
of
defense
the U.S.
New
and
Au~hori~~;
Geophysical
the
bw the
events
Earth
Research,
Canada
rlear
Branch,
the
Dept.
O~~awa.
Research
and bw the
Geological
in
Inc.,
Epicent.ral
Ph~sics
above operational
Advanced
Edison
Consolidated
NEUSSN when available.
and Resources,
to the
the
the
Prosranl;
rw
u.s
the
Studies~
DeYelopmen~
operated
for
lata
Service.
provided
In addition
has
Science
Resl.J
Research;
Earthoual<.e
and Resources
New York arId Westorl
of
Comparl~
of
EnerS~
to
support
Nuclear
Geoph~sics
Founda~iorl'
New Yor~, State
Data
of
Office
Surve""
Science
Ssfet~
Reactor
Networ~.(NEUSSN)
providin~
u.s.
the
the
for
agencies
Seisnlic
A~encies
include
of
variolJs
U.S.
Northeastern
NEUSSN
Commission,
Na~iorlal
from
ac~.nowledsed.
members 01
York
support
the
of
operation
is
full
Office
Surve~.
support,
ProJect.s
of
eQuipment
Asenc'd
Environmental
Page 3
INTRODUCTION
Station
Quarter
are
surrlmarized
of
formats
and
operations
the
in
figures
and five
are
described
in
a .eoSraphic
map of
tables
three
for
results
seisllicit~
tab,les
(the
section
the
EXPLANATION OF TABLES).
1
Fi'-ure
were
3
operational
are
the
is
durin.
of
"laps
cumulative
reportin.
seismicitw
period
those
which
the
for
from
the
reportins
that
period
1975,
we-re-
which
Figures
period;
October
ea rthol.Jakes
NEUSSN stations
2 and
and for
in
respectivel!:l'
felt
are
showr.
b~ red
s~mbols.
Table
Table
2
reporting
1 is
is
Table
as
5 lists
bein~
number
Table
Table
mi c roea rthol.Jal<.es
Table
chronological
azimuths,
2;
of
list
3
4
1 i.sts
that
to
of
epicenters
durin.
for
foreshocks,
the
times,
the
events
period;
reportin.
be definitelw
that
did
not
an acceptable
the
aftershocl<.s,
not
obtain
stations;
and periods
could
or
eart.houakes
operatirls
arrival
during
occurrins
of
station
lists
amplitlJdes,
events
arrivals
list
location
period;
distances,
in
a
.
produce
identified
a 5u~~icient
solution
Pase 4
SEISMICITY
During
the
were
ea rtholJakes
United
States
included
ot
foreshocl<.s,
2.0
the
1.5 to 3.5.
less.
u.s.
aftershocks,
5 suspected
or
detected
-
March 1979,
and located
in
border.
a total
in the
In addition,
had epicenters
The I)a~nitudes
from
JarllJar~
or offshore.
which
f;..i lometers
1 ists
period
3
Canada
at
northeastern
are
ea rthoua"-.es
but
Table
were
4
15
within
100
22
includes
and microearthouakes,
and Table
5
earthQua~.es.
of
the
15 earthGua~.es
The ma~nitudes
of
the
in
events
Table
in
2
ranse
Table
4 are
Pa~e 5
OF TABLES
EXPLANATION
Table
Table
1:
List
of
Operating
1.
Station
code.
2.
Station
latitude,
3.
Statior.
lonsitude,
desrees
4.
Station
elevatior.,
meters.
5.
Geo~raphic
6.
Network
desrees
Stations.
north.
west.
location.
operator.
2: Epicenter
List.
1.
Event date,
felt
data.
ori~in
2.
Epicenter
deter~ined
b~:
WES-Weston Observator~
LDO-Lamont-Dohert~
Geolo~ical
Observator~
EPB-Earth
Ph~sics
Branch,
Ottawa.
3.
Origin
time(UTC),
Event
6.
E~ent depth,
kilometers.
0 k. or 18 k. (Canada)
lon~itude,
de~rees
are
Depths of
restrained
7
RHS error
8.
95X confidence
and len~ths(km)
9.
Event ma~nitude:
Hn-Nuttli
L~ lIa~nitude
Hc-Coda duration
ms~nitude(WES)
Event
na~e,
de.rees.
5.
3:
~eo~raphic
time(UTC)
4. Event latitl~de,
Table
Seismic
of
(sec)
data
1.
Ever.t date,
felt
data.
2.
Station
code.
least-sOIJares
ellipse
data:
of semi-major
0 km(U.S.)
val'~es.
location.
semi-major
and -minor
azimuth,
a>{es.
~eo~raphic
name,
list.
origin
ti.e(UTC),
and
Page 6
3.
Emersent(e)
or i.pulsive(i);
phase twpe(P,P~,P*,Pn,S,Ss,S*,Sn).
If implJlsive,
direction
of first
!fIotion
irlcluded:
compression(c)
or dilatation(d).
4.
Station
5.
Epicentral
arrival
is
also
tiwle(UTC).
distarlce,
~.nl.
6. Statiorl azimlJth, des
7.
Peak.-to-peak
.round
motion,
in millimicrons,
"laxi~IJm envelope
ampl itude
of vertical-co~porlerlt
si.nal,
corrected
for s~ste~
response.
8.
Period,
in sec, of ~he signal
ampl i~ude was measlJred.
9.
Mn as calculated
from
amplitlJde,
fro~
of
the
which
period,
distance.
10. Hc=2.23LoS(D)+0.12Los(k)-2.36.
where D is the
coda duration.
in sec. and ~, is the epicerltral
distance.
Table
4:
1.
Tab 1 e 5:
Foreshocks.
in
~."'.
Aftershocks.
Event date,
ori~in
statior.,
ma~nitude,
Suspected
and
The format
for this
Tables
2 and 3.
and Microearthouakes.
time(UTC),
nearest
recordins
and ~eosraphic
re~ion.
Poo r 1 w-Located
table
is
Ea rthotJa~.es
a combination
.
of
those
for
Pa,cje 7
APPENDIX
VELOCITY MODELS USED FOR 'EPICENTER LOCATIONS
IN THE NORTHEASTERN UNITED STATES
VEL
REGION
km/sec
Northern
To
DEPTH
sec
km
6.1
6.6
8.1
0.0
0.5
6.3
0.0
4.0
35.0
4.5
5.0
6.0
0.0
0.2
1.4
0.0
1.0
6.0
5.9
0.0
0.0
Southeastern
NY and
northern
New Jersew(LDO)
5.98
6.62
8.1
0.0
1.0
6.5
0.0
7.0
35.0
New En~land(WES)
5.31
6.06
6.59
8.10
0.0
0.16
1.78
6.72
0.0
0.88
13.09
34.60
New Y.ork and
Adirondacks(LDO)
Attica,
Blue
New York(LDO)
Mtn.
Lake,
New York(LDO)
---
North
Latitude,
degrees
(I)
Q)
Q)
H
~
Q)
'0
,
Q)
'0
='
+I
~
C
0
~
+I
(I)
Q)
~
Figure
1.
Seismic
January
stations
operating
- March 1979.
during
the period
North
0
a>
v
0
0
,...
V
w
v
0
It)
V
Latitude,
0
V
V
degrees
0
~
V
0
C\J
V
0
V
0
0
0
0
V
m
J<)
a>
r<>
0
V
to
0
w
w
0
a)
w
0
0
~
I/)
Q)
Q)
~
0-.
Q)
0
N
I"-
'0
,
Q)
'0
:3
~
t7\
C
0
H
~
I/)
Q)
~
0
V
I"-
0
<D
I"-
0
(1)
t-
0
0
CD
Figure 2.
Earthquake
January
-
epicenters
March 1979.
during
the
period
~
North
0
0
0
0
CD
V
t"V
<D
V
v
0
to
to
0
V
V
degrees
0
p')
N
v
V
-
0
V
0
0
0
0
V
m
~
CO
J(')
"J
0
V
CD
an
Latitude,
-;;;
A
:~ -
.
.
0
CD
to
0
0
toU1
Q)
Q) 0
~ C\J
0IrQ)
~
U)
~
~
rtj
,
Q)
rtj 0
~
-4.1
~
V
or-! r01
s:
0
~
-4.1 0
U1 CD
Q) r~
Qj
~
Qj
>
rzJ
~
Qj
bO
~
or-4
tn
.
>
rzJ
Qj
0.
or-4
~
:I
2:
-4
U)
~
~
Qj
>
rzJ
~
t-4
Qj
r&.
.
-4
0
a>
PO-
-
..."
0
0
(1)
Figure
3.
Earthquake
epicenters
October 1975
-
during
March 1979
the period
TABLEt
LIST OF OPERATING SEISMIC STATIONS BY STATE
JANUARY - MARCH 1979
STA
ID
LATITUDE
de~rees
LONGITUDE ELEVATION
de~rees
meters
OPERATOR
CANADA,STATIONS'USED FOR LOCATIONS IN THIS BULLETIN
GNT
LMG
MIG
MNG
OTT
POC
72.3720W
70.3267W
75.9667W
68.7700W
75.7158W
70.0400W
10
419
199
564
77
61
GENTILLY,PG
LA MALBAIE,PG
MANIWAKI,PG
MANICOUAGAN,PG
OTTAWA,PO
LA POCATIERE,PG
EPB
EPB
EPB
EPB
EPB
EPB
73.3839W
73.4113W
72.5232W
72.4667W
71.8516W
72.2505W
69
342
24
113
110
149
BROOKFIELD,CT
WES
ELLSWORTH,CT
HADDAM,CT
MOODUS(COMSTOCKBRIDGE)
N STONINGTON,CT
STORRS,CT
WES
WES
WES
WES
WES
39.3461N
38.7414N
39.7042N
75.6767W
75.4144W
75.7082W
18
15
46
BLACKBIRD,DE
GEORGETOWN,DE
NEWARK,DE
DGS
DGS
DGS
47.0817N
44.6317N
46.9325N
47.0586N
47.1304N
47.0876N
47.1881N
47.0113N
47.0890N
44.7392N
44.6564N
46.1599N
45.6555N
45.2436N
44.2597N
69.0233W
68.7893W
68.1208W
69.0989W
69.1524W
69.1687W
69.2767W
69.2650W
69.4957W
67.4894W
69.6408W
67.9867W
70.2426W
69.0403W
70.2551W
240
80
250
304
402
259
490
365
430
20
79
209
378
140
113
ALLAGASH,ME
BUCKSPORT,ME
CARIBOU,ME
DICKEY,ME
DICKEY(KELLY MTN),ME
DICKEY(CARTER BROOK),ME
DICKEY(ROCKY MTN),ME
DICKEY(BROWNSBROOK),ME
DICKEY(TWO MILE STREAM),
EAST MACHIAS,ME
HINCKLEY,ME
HOULTON,ME
JACKHAN,ME
HILO,ME
TURNER,HE
WES
WES
WES
WES
WES
WES
WES
WES
WES
WES
WES
WES
WES
WES
WES
70.1350W
-85
CAPE COD,HA
HIT
46.3630N
47.5484N
46.3667N
50.5300N
45.3939N
47.3600N
CONNECTICUT
BCT
ECT
HDH
MDl
NSC
UCT
41.4933N
41.8346N
41.4857N
41.5529N
41.4807N
41.8317N
DELAWARE
BBD
GTD
NED
MAINE
AGH
DPH.
CDH
D1A
D2A
D3A
D4A
D5A
D6A
EHM
HKH
HNHE
JKH
HIH
TRH
MASSACHUSETTS
COD
41.6856N
PAGE 2 OF 3
TABLE 1 Continued
42.0686N
41.7167N
42.6403N
42.5064N
42.3389N
42.4566N
42.3847N
42.6106N
DUX
FLR
GLO
HRV
LNX
QUA
WES
WFH
70.7678W
71.1215W
70.7272W
71.5583W
73.2724W
72.3738W
71.3221W
71.4906W
27
52
15
180
345
201
60
87
DUXBURY,MA
FALL RIVER,MA
GLOUCESTER,MA
HARVARD,MA
LENOX,MA
QUABBIN ,MA
WESTON,MA
WESTFORD,MA
HIT
WES
HIT
HIT
WES
WES
WES
HIT
NEW HAMPSHIRE
.
BNH
DNH
HNH
ONH
PNH
WNH
44.5906N
43.1225N
43.7053N
43.2792N
.
43.0942N
43.8683N
71.2564W
70.8948W
72.2856W
71.5055W
72.1358W
71.3997W
472
24
180
280
659
220
BERLIN,NH
DURHAH,NH
HANOVER,NH
OAKHILL,NH
PITCHER HTN,NH
WHITEFACE,NH
WES
HIT
WES
HIT
HIT
HIT
JERSEY
GHTN
GPD
LVNJ
OGD
paN
PRIN
RAHA
40.8825N
41.0177N
40.8095N
41.0667N
41.0073N
40.3668N
41.0952N
74.1845W
165
74.4608W
360
74.7515W
201
74.6166W -363
75.0858W
229
74.7178W
110
74.2140W
247
GARRET HOUNTAIN,NJ
GREEN POND,NJ
LONG VALLEY,NJ
OGDENSBURG,NJ
PAHAQUARRY,NJ
PRINCETON,NJ
RAHAPO,NJ
YORI<
ALX
APH
BGR
BING
BLM
CANY
CLIN
CLY
CROG
CTR
DANY
DBM
DNY
DPL
EGN
GOB
GSC
IPS
AMNH
MEDY
MSNY
OCN
OSB
PAL
PNY
44.3225N
43.8413N
44.8288N
42.0757N
41.3297N
42.9255N
41.8750N
43.8513N
43.9050N
43.8741N
44.7583N
41.2944N
42.8363N
41.2528N
43.8596N
41.3294N
41.2661N
41.2672N
40.7808N
43.1818N
44.9983N
43.8848N
41.3603N
41.0042N
44.8341N
75.9280W
74.4970W
74.3742W
75.9767W
73.9550W
78.8528W
73.8490W
74.4490W
75.4125W
74.4600W
73.8357W
73.9750W
78.
1688W
73.9108W
74.4818W
73.9219W
74.0039W
73.9483W
73.9738W
78.3903W
74.8620W
74.5293W
73.9239W
73.9091W
73.5550W
122
564
329
408
134
192
168
579
244
585
507
27
381
67
549
150
110
0
0
186
55
701
212
91
177
ALEXANDERBAY,NY
AIRPORT HANGAR,NY
BANGOR,NY
BINGHAHTON,NY
BLUH,NY
CANISUS,NY
CLINTON,NY
CRYSTAL LAKE,NY
CROGHAN,NY
CASTLE ROCK,NY
DANNEHORA,NY
DUNDERBURGHTN,NY
DERSAH,NY
DELLI PAOLI,NY
EAGLES NEST,NY
GOBBELET,NY
GIRL SCOUT CAHP,NY
HANHATTAN,NY
HEDINA,NY
HASSENA,NY
OVER CASTLE ROCK,NY
OSBORN,NY
PALISADES,NY
PLATTSBURG,NY
LDO
LDO
LDO
LDO
CON*
LDO
LDO
LDO
LDO
LDO
LDO
CON*
LDO
CON*
LDO
CON*
CON*
CON*
LDO
LDO
LDO
LDO
CON*
LDO
LDO
PAGE 3 OF 3
TABLE 1 Continued
PTN
SANY
SNP
SPS
SRM
STL
TBR
UWL
WGL
WND
WNY
WPNY
WPR
WVLY
44.5725N
43.1738N
41.2408N
41.3019N
41.2283N
41.1886N
41.1417N
43.8378N
41.3589N
42.3375N
44.3910N
41.8030N
41.2546N
42.4708N
74.9828W
78.8703W
73.9711W
73.8905W
74.0139W
74.0036W
74.2222W
74.5433W
73.8994W
74.1525W
73.8595W
73.9707W
73.5856W
78.5683W
238
172
30
168
165
125
261
561
152
602
598
76
152
600
POTSDAH,NY
SANBORN,NY
STONEY PT,NY
ST PETERS SCHOOL,NY
SCHERHAN,NY
STILES,NY
TABLE ROCK,NY
UTOWANALAKE,NY
WEGEL,NY
WINDHAH,NY
WILHINGTON,NY
WESTPARK,NY
WARDPOUND RIDGE,NY
WEST VALLEY,NY
L D0
L D0
CI0 N *
C0 N *
C0 N *
C0 N *
L D0
L D0
CI0 N
L.D0
L.D0
L D0
L D0
L D0
80.3333W
79.9833W
76.3506W
75.1333W
77.8650W
0
0
0
0
352
BEAVER,PA
ERIE,PA
HILLERSVILLE,PA
ABINGTON,PA
STATE COLLEGE,PA
PSU
PSU
HSC
PSU
PSU
72.5853W
73.1458W
72.1709W
72.9517W
73.0533W
72.8008W
73.1811W
72.6278W
72.6067W
30 0
85
370
36 6
29 5
580
13 4
262
240
BALTIHORE,VT
COLCHESTER,VT
DERBY,VT
FLETCHER,VT
WE
L D0
WEs
L D0
WE s
L D0
L D0
L D0
L D0
*
PENNSYLVANIA
BVR
ERI
HVL
PHI
SCP
40.7000N
42.1333N
39.9992N
40.1166N
40.7950N
RHODE ISLAND
VERMONT
BVT
COV
DVT
FLET
IVT
HARL
HDV
HGVT
HPVT
43.3488N
44.5777N
44.9620N
44.7228N
43.5221N
42.8383N
43.9991N
44.9136N
44.2783N
IRA,VT
HARLBORO,VT
HIDDLEBURY,VT
HONTGOHERY,VT
HONTPELIER,VT
s
* STATION CODES NOT ALL CLEARED THROUGHNEIC
OPERATORCODE
.
CON - CONSOLIDATED EDISON,INDIAN
POINT,NY
DGS - DELAWARE GEOLOGICAL SURVEY
EPB - EARTH PHYSICS BRANCH,DEPT.OF ENERGY,MINES,AND RESOURCES,
CANADA
LDO - LAMONT-DOHERTY GEOLOGICAL OBSERVATORY OF COLUMBIA UNIVERSITY
MIT MSC PSU WES -
MASSACHUSETTSINSTITUTE OF TECHNOLOGY
MILLERSVILLE
STATE COLLEGE
PENNSYLVANIA STATE UNIVERSITY
WESTON OBSERVATORY, BOSTON COLLEGE
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TABLE 3
EARTHQUAKEDATA LIST
NORTHEASTERNUNITED STATES AND ADJACENT REGIONS
JANUARY - MARCH
1979
ARRIVAL
STA PHASE
---
1979JAN010413
HNH
HNH
BVT
BVT
IVT
IVT
BNH
BNH
WES
WES
QUA
ePS
eSS
ePS
eSS
eP*
eS.
eP.
eSs
ePS
eSS
eSS
1979JAN070922
HDH ePS
HDH eSS
UCT ePS
UCT eSS
NSC ePS
NSC eSS
ECT ePS
ECT eSS
BCT ePs
BCT eSS
LNX eSS
DIST
AZ
PERIOD
MAGNITUDE
NH,SOUTHEAST
OF BRISTOL
04
04
04
04
04
04
04
04
04
04
04
13
14
14
14
14
14
14
14
14
14
14
09
09
09
09
09
09
09
09
09
09
09
CT,EAST GLASTONSURY
22 53.8
28km 171dS
22 56. 7
28~,m 171ds
22 53. 9
29~.nl 68ds
22 57. 2
29~.m 68ds
23 00. 2
66~.m 115ds
2~ 08. 1
66~.m 115ds
23 01.0
71~.m 279ds
23 09.5
71 ~.m 279dS
23 01. 2
73~.m 249ds
23 09. 6
73~.nl 249ds
23 14. 2
89~.nl 320ds
1979JAN14 0701
PTN ePS
07
PTN eSS
07
BGR ePS
07
BGR eSS
07
HSNY eSS
07
WNY ePS
07
WNY eSS
07
DANY ePS
07
DANY eSS
07
APH ePS
07
APH eSS
07
PNY ePS
07
PNY egg
07
HDV eP*
07
HDV eS*
07
AMP
56. 5
03.4
00.6
09.6
07.0
18. 7
06.9
21.6
07.9
22.2
24.5
57~.. 292ds
57km 292ds
80km 257ds
80k.
257d.
115km 271d.
115~.m 271d.
123k.
14d.
123~.m 14ds
1281<.m 169dS
128~.m 169d.
133~.m 208dS
NY,SANTA CLARA
01 52.5
27~.m
01 55. 8
27~.m
01 53. 5
35~.nl
01 58. 0
35~.nl
02 02. 1
50~.m
01 58. 5
66~.nl
02 07. 2
66~.nl
01 58. 5
68~.m
02 06. 6
68~.m
02 00. 9
83~.nl
02 10. 8
83~.nl
02 02.1
91~.nl
02 13. 0
91~.m
02 08. 2 134~~m
02 24.1
134~.m
268ds
268ds
38ds
38ds
340ds
108ds
108ds
73ds
73ds
l72ds
l72ds
72ds
72ds
1l8ds
l18ds
1.59Mc
1.57Hc
1.67Hc
3mu O.lsec
1.89Hn
O.2sec
1.93Hn
51TIU
1.61Hc
1.16Hc
1.19Hc
1.19Hc
Page
TABLE 3 (Continued)
STA PHASE
---
ARRIVAL
1979JAN171256
NJ,OFF
PRIN ePS
12 56 33. 4
PRI NeSS
RAHA ePS
GPD . ePs
GPD eSS
TBR ePS
TBR eSS
WPR ePS
WPR eSs
BCT eP*
HDH eF'*
WPNY eF'*
ECT eF'*
NSC ePn
UCT ePn
12
12
12
12
12
12
12
12
12
12
12
12
12
12
56
56
56
56
56
56
56
56
56
56
56
56
56
56
42. 9
35. 0
35. 4
46.B
35.0
45. 1
35.6
46.3
40. 2
45. 6
45. B
46.0
51. 6
50. B
DIST
AZ
AMP
PERIOD
2 of
5
HAGNITUDE
"'-
SANDY HOOK
B5~.m 273dS
B5~.m 273dS
95~.m 334ds
99~.m 321dS
99~.m 321dS
1 OO~."I 335ds
100~~"1 335ds
1 03~.m
6ds
103km
6ds
132~.m
12ds
163~.m
3Bds
165~.m 353ds
169km
9ds
203~.m
SOds
20B~~m 36ds
2.10Hc
8nllJ
INT. II
122d.
173d~
271d~
78d.
262d~
262d~
143d~
72mtJ
79d~
79d~
336d~
180d~
270d~
15mlJ
150d~
259d~
12rrlu
99d~
9mu
163d~
93d~
1979JAN29 0635
FLET iPsD 06
COV iPsC 06
PNY iPsD 06
HGVT iPsD 06
DANYePs
06
DANY e**
06
HPVT iPsD 06
~ DVT i PsD 06
DVT e**
06
HNT ePs
06
HDV ePs
06
BGR iPsD 06
HNH e**
06
PTN iPnC 06
BNH ePn
06
BVT ePn
06
HKH ePn
06
VT,NORTH HERO
35 49.7
22km
35 50.7
28km
35 50.7
29km
35 53. 0
46~.RI
35 54.2
52km
36 00. 8
52~.m
35 58. 0
77~.m
35 59. 1
82~.m
36 08. 5
82~.m
35 59. 5
82~,m
36 00. 4
92~,m
36 00. 6
94~.RI
36 09.8
144km
36 08.6
145km
36 10.1
156~.m
36 13.1
172km
36 26.0
282km
1979JAN30 1630
PRIN eP
16
PRIN eS
16
AHNH eP
16
GHTN eP~
16
LVNJ eP~
16
GPD eP~
16
TBR eP~
16
paN eP~
16
SNP eP~
16
WPR eP~
16
WGL eP~
16
NED eP~
16
BCT iP~C 16
WPNYeP~
16
ECT iP~C 16
Continued
NJ,CHEESEOUAKE FELT
30 58.6
39km 278ds
31 03.3
39knl 278ds
25ds
31 01.2
57km
6ds
31 02.3
63km
31 02.9
69knl 323dS
31 04.6
79k.m 348ds
2ds
31 06.5
91km
31 08.5
104km 318ds
13ds
31 08.6
105k.m
31 10.7
118~~m 29ds
15dS
31 10.8
119km
31 12.5
141k.m 242ds
29ds
31 15.5
150k.m
8ds
31 18.2
167k.m
31 19.7
18311:.m 23ds
O.2sec
2.27Hn
2.24Mc
2.20Mc
2.15Mc
O.lsec
3.19Hn
2.54Hc
O.lsec
2.72Hn
2.45Hc
O.lsec
O.l"Sec
2.64Mn
2.59Mn
2.54Hc
2.64Hc
Page
TABLE 3 (Continued)
STA PHASE
---
HDH
UCT
LNX
BNH
HKH
eP~
eP*
eP*
eF'*
eP*
ARRIVAL
16
16
16
16
16
31
31
31
32
32
21.4
27.1
27.5
03.9
13.3
DIST
AZ
195i'..m
48ds
45ds
20dS
27dS
37dS
2381<.m
239km
535Jc.m
613Jc.m
AMP
PERIOD
63nlu
64nllJ
O.lsec
O.lsec
J of
MAGNITUDE
3.55Hn
3.56Hn
3.50Mc
3.46Mc
1979JAN312142
VT,LUDLOW
BVT iP C 21 42 02.0
6~.m 130d~
BVT e**
21 42 02. 7
6~.m 130d~
IVT iPSC 21 42 07.1
37~.m 295d~
IVT e**
21 42 11. 5
37~.m 295d~
HNH ePS
21 42 08. 4
46~.m 39d~
HNH e**
21 42 14. 0
46~.nl 39d~
MARL ePS
21 42 10.8
62km 192d~
MARL e**
21 42 18.5
62km 192d~
MDV ePS
21 42 13.7
81km 328d~
QUA ePS
21 42 18.1
106km 168d~
QUA e**
21 42 30.7
1 0 61-:.
nl 168d~
FLET ePn
21 42 24.9
151~.nl 351d~
PNY ePn
21 42 28.5
177~.m 336d~
1979FEBO12307
HIH eP~
23
HIH eS~
23
JKH eP~
23
HNHE eS~.
23
HKH eP*
23
HKH eS*
23
BPH eS*
23
D3A eP*
23
D3A eS*
23
EMH eP~
23
EMM eSn
23
HE,NAHHAKANTALAKE
08 05.3
57km 170d~
08 11.5
57km 170d~
08 10.4
84km 264d~
08 26.2
103km
63d~
08 18.1
127km 197d~
08 32.7
127km 197d~
08 33. 7 128~.m 166d~
08 21.6
149km
Od~
08 37.5
149km
Od~
08 25. 6 173~.m 130d~
08 43.6
173km 130d~
1979FEB020226
LVNJ ePs
02
LVNJ eSs
02
GPD ePs
02
GPD eSs
02
TBR ePs
02
TBR eSs
02
WPR eP~
02
WPR eSs
02
WPNYeP*
02
WPNYeS*
02
NJ,CHESTER
26 14.7
9km 300ds
26 15.7
9~.m 300ds
31dS
26 18.8
32kn,
26 22. 9
32~.n, 31ds
26 22. 6
55~.m 42ds
26 29. 2
55~.m 42dS
26 30.4
105~.m 59ds
59ds
26 42.6
105km
26 34. 1 129~.m 27ds
26 49. 4 129~.m 27ds
5
1.49Mc
1.64Hc
1.44Hc
1.82Hc
4mu
O.2sec
1.89Hn
1.85Mc
Pase
TABLE J (Continued)
---
STA PHASE
. ARRIVAL
1979FEB11 0721
DPL
DPL
WPR
WPR
SNP
SNP
GOB
GOB
STL
STL
DBH
WGL
GSC
GSC
BLH
BLH
OSB
PAL
PAL
TBR
eP~
eS~
eP~
eSs
eP~
eSs
ePs
eS~
ePs
eS~
eSs
eP~
ePs
eSs
ePs
eSs
ePs
ePs
eSs
eP~
RAHA ePs
07
07
07
07
07
07
07
07
07
07
07
07
07
07
07
07
07
07
07
07
DIST
AZ
AMP
PERIOD
4 of
~
MAGNITUDE
NY,NEAR CROTONRESERVOIR
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
24.7
26.9
24. 9
27.2
25.3
27.9
25.5
28.4
25. 6
28.4
28.6
25.7
25.9
28.8
25.8
28.9
25.9
26.0
29. 3
28.3
07 21 28. 3
15km
15~.m
16~.m
16km
19km
19km
21km
21km
21~.m
21km
22km
23km
23km
23km
23km
23km
24~.m
25~.m
25~.m
40km
297d~
297ds
62ds
62ds
287ds
287ds
317ds
317ds
270ds
270ds
302ds
326ds
292ds
292ds
312ds
312ds
323d~
213ds
213ds
262ds
40~.m 255ds
1979FEB21 0634
TRH ePS
06
TRH eSS
06
HKH ePs
06
WNH ePS
06
BNH ePS
06
DNH eP*
06
BPH eP*
06
HRV ePn
06
HE,LEWISTON
34 07. 7
20~.m
34 10. 4
20~.m
34 16.7
77km
34 20.8
101km
34 21.2
102~.m
34 24. 3 122~.m
34 25. 1 127~,m
34 35. 7 208~.m
1979FEB27 0756
D6A ePS
07
D5A ePS
07
D2A ePS
07
D3A ePS
07
AGM ePS
07
AGM eSS
07
JKM ePn
07
JKM eSS
07
PO,LA POCATIERE
57 00.5
55km 12 1 d s
57 03.8
74km 12 0 d s
57 03.6
76~.m 10: Bd s
57 03. 7
77~.m 11 1 d s
57 05. 5
87~.m 10 9 d s
57 16.7
87k.
10 9 d s
57 21.5
188~.m 18 3 d s
57 45. 0 188~.m 18 3 d s
1979HAR10 0449
LVNJ ePs
04
GPD ePs
04
GPD eSs
04
PRIN ePs
04
AHNH ePs
04
RAHA ePs
04
RAHA eSS
04
TBR ePs
04
Continued
NJ,BERNARDSVILLE
FELT
49 43.7
24km 295ds
49 45. 2
33~.m
6ds
49 49. 3
33~.m
6ds
49 46.6
43km 205ds
49 47.2
45km
81ds
49 47. 6
48~.m 30ds
49 53. 6
48~.m 30ds
49 48. 2
52~.m 27ds
343dS
343ds
34ds
257d~
304dS
209ds
61ds
213dS
1.54Hc
1.61Hc
3mlJ
O.2sec
1.63Hn
1.72Hc
5mu
O.2sec
2.20Hn
1.81Hc
2.26Mc
2.59Hc
2.25Hc
,
TABLE
3
PaSe 5 of
(Continued)
STA PHASE
---
TOR egg
paN epg
paN egg
PAL epg
PAL egg
WPR epg
WPR egg
OCT eP*
WPNYeP*
CLIN eP*
ECT eP*
WND ePn
HDM ePn
LNX ePn
UCT ePn
NSC ePn
MARL ePn
ARRIVAL
04
04
04
04
04
04
04
04
04
04
04
04
04
04
04
04
04
49
49
49
49
49
49
50
49
50
50
50
50
50
50
50
50
50
54.4
49.1
56.1
49.3
56.8
55.1
06.4
59.9
00.4
02.2
04.0
08.4
08.4
11.7
13.2
16.2
20.5
DIST
521<.m
591<.m
591<.m
591c.m
591<.m
971<.m
971<.m
1271<.m
1281<.m
1391<.m
1541<.m
1821<.m
1871<.m
2071<.m
2251<.m
2381<.m
2751<.m
1979MAR14 0646
MEDYeP*
06
MEDYeS*
06
BING eP*
06
BING eS*
06
SANY ePn
06
CANY eSrl
06
OTT ePn
06
OTT eSn
06
MIQ eSn
06
PQ,LAKE
46 46.8
46 58.2
47 04.7
47 26.7
46 52. 7
47 11. 7
47 10. 0
47 39.5
48 03.0
1979MAR232253
LMQ eP~
22
POC eP~
22
D6A eP~
22
D2A iP~D 22
D3A iP~D 22
D5A eP~
22
AGM eP~
22
CBM ePn
22
JKM ePn
22
GNT ePn
22
HNME ePn
22
MIM ePn
22
MNQ ePn
22
DVT e**
BNH ePn
22
EMM iPnD 22
PNY
22
QUA ePn
e**
PQ,LA MALBAIE
53 09. 0
23~.m
53 11. 3
36~.m
53 18. 2
80~.m
53 20.6
94~~m
53 21.0
96~.m
53 21.0
97~.m
53 22.5
105kRI
53 32.2
171~.m
53 39.3
225km
53 39. 0 227~.RI
53 39. 7 233~.m
53 45.6
283km
53 52.0
332km
342klll
53 55.1
355km
53 57.8
384km
54 01.6
414km
608~.m
.
UCT e**
BCT e**
AZ
AMP
PERIOD
5
MAGNITUDE
27ds
303ds
303ds
58ds
58ds
52ds
52dS
47ds
20ds
23dS
36ds
9ds
62ds
29dS
56dS
68ds
30ds
3.00Hc
3.09Hc
2.99Hc
2.97Hc
2.88Hc
ONTARIO
151km 255dS
151km 255ds
173km 163ds
173~.m 163dS
189~.m 258ds
196~.m 250ds
19ds
216~.m
19ds
216~.m
9ds
316~~m
672km
735km
FELT
230d~
173d~
145d~
130d~
133d~
139d~
129d~
118d~
183d~
231d~
136d~
163d~
17d~
209d~
19Sd~
147d~
221d~
198d~
196d~
202d~
3.57Hc
3.59Hc
3.52Hc
3.73Hc
eeml.J O.lsec
3.67t1n
3.81Hc
3.64Hc
O.3sec
O.3sec
3.37Hn
3.03Hn
21mu O.4s~c
2.94Hn
2.86Hn
2.89Hn
91mlJ
47mu
17ltu
17mu
O.4sec
O.5sec
TABLE 4
.
FORESHOCKS.AFTERSHOCKS. AND MICRO-EARTHQUAKES
26
02
02
02
02
02
11
23
23
23
25
25
25
25
25
25
26
28
04
04
04
18
JAN
FEB
FEB
FEB
FEB
FEB
FEB
FEB
FEB
FEB
FEB
FEB
'FEB
FEB
FEB
FEB
FEB
FEB
MAR
MAR
MAR
MAR
2019
023445
0312
0314
031454
031735
072156
102112
102357
171845
064533
163333
163358
164608
064533
164653
095908
114649
0514
1529
1553
0247
BML
LVNJ
LVNJ
LVNJ
LVNJ
LVNJ
DPL
LVNJ
LVNJ
LVNJ
BML
BML
BML
BML
BML
BML
BML
PTN
BML
BML
BML
BML
<1
1. 8
<1 . 5
<1
<1
1. 9
2.0
<1
<1
1. 8
<1
<1
<1
<1
.< 1
<1
<1
<1
<1
<1
<1
BLUE MO'JNTAIN LAKE, NY
CHESTER, NJ
CHESTER, NJ
CHESTER, NJ
CHESTER, NJ
CHESTER, NJ
NEAR CROTON RESEVOIR, NY
CHESTER, NJ
CHESTER, NJ
CHESTER, NJ
BLUE MOUNTAIN LAKE, NY
BLUE MOUNTAIN LAKE, NY
BLUE MOUNTAIN LAKE, NY
BLUE MOUNTAIN LAKE, NY
BLUE MOUNTAIN LAKE, NY'
BLUE MOUNTAIN LAKE, NY
BLUE MOUNTAIN LAKE, NY
NEAR CROTON RESEVOIR, NY
BLUE MOUNTAIN LAKE, NY
BLUE MOUNTAIN LAKE, NY
BLUE MOUNTAIN LAKE, NY
BLUE MOUNTAIN LAKE, NY
TABLE 5
SUSPECTEDAND POORLY LOCATED EARTHQUAKES
NORTHEASTERNUNITED STATES AND ADJACENT REGIONS
JANUARY - MARCH
1979
1979JAN20 0919
*WES 09 19 32
D3A ePS
09
D3A eSS
09
AGM ePS
09
AGM eSS
09
PO,LA MALBAIE
680
61
OR 0.30
47.7N
69.9W
19 48.0
92knl 143ds
19 58. 7
92~~nl 143ds
7mu O.1sec
19 48.6
991<.m 138ds
20 01. 2
99~.m 138ds
1979FEB13 0235
*LDO 02 35 30
APH eP.
02
APH eS.
02
WND eS.
02
PTN eSn
02
HDV eSn
02
HARL eSn
02
NY,CHADWICK
43.0N
75.3W
35 47.0
1131c.m
36 01.3
113km
36 03. 1 1201c.m
36 18.7
1751c.nl
36 25.9
203km
36 26.5
2041c.m
1979HAR14 0017
*WES 00 17 40
VT,EAST OF RUTLAND
43.6N 73.2W
OR 0.09
IVT
BVT
BVT
HNH
HNH
DVT
BNH
ePs
ePs
eSs
ePs
eSs
ePn
ePn
00
00
00
00
00
00
00
1979HAR16 0037
*WES 00 37 55
EHH
EHH
HIM
MIM
D3A
eP.
eS.
eP.
eS.
eSn
00
00
00
00
00
1979HAR221235
*LDO 12 35 41
LVNJ
LVNJ
GPD
GPD
TBR
eSS
ePS
ePs
eSS
ePS
12
12
12
12
12
17
17
17
17
18
18
18
41.9
49.1
55.5
52. 1
01.3
08.3
10.3
08.3
18.5
25.8
47.6
07.0
230d.
230d.
272d.
272d.
319d.
NJ,LAKE HOPATCONG
40.9N 74.7W
1
0.05
35
35
35
35
35
43.4
45.1
45.0
47.6
49.0
12km
12km
22km
22km
46km
2.27Hn
2.01Hc
35ds
35dS
128dS
8ds
57ds
95dS
11~~m 117ds
54km 117d~
54~.m 117ds
73~.m 78ds
73km
78ds
175km
27d~
191km
53ds
81km
81km'
183km
183km
283~,m
2.3Hn 2.1Hc
2.24Hc
OR 0.77
NB,LAKE UTOPIA
45.2N 66.7W
OR 0.23
38
38
38
38
39
97
214dS
214ds
53ds
53ds
54dS
69
3.4
1.8
2.0Hn
1.9Hc
19m1J
O.2sec
2.26Hn
1.83Hc
6mlJ
31T1IJ
O.3sec
O.3sec
1.91Hn
1.72Hn
2.04Hc
7.7
2.2Hc
2.23Hc
94
22
2.21Hc
DISTRIBUTION
No.
Recipient
Dr.
Jerr~
Branch,
Dr.
Paul
5
Dr.
H. Nafi
Technolo~~
To~.soz, MaSSBChlJsetts
5
Dr.
rash
P.
Observator~
A~~arwal,
'
5
Dr.
Shelton
Universitw
S.
5
Dr.
5
Earth
1
Consolida~ed
1
Weston Observatorw
1
File
N
Dr.
Harbour,
Nuclear
Chief,
Si~e Safe~~ Research
Re~ula~orw
Commission
W. Po.ero~,
E.F. Chiburis.
Bos~on Colle~e
Institute
Geolo~ical
Pennswlvania
State
Geolo~ical
SurYe~
Delaware
Branch.
Edison
NEUSSN
Lamont-Dohertw
Alexander,
Ken Woodruff,
Ph~siC$
Coordinator
Canada
of New York
Librarw
W.s~on ObserY.~orw.
of