NUREG
WES-238-027
Northeastern U.S. Seismic Network
Bulletin No. 16
of
Julw
01.
1979
Compiled
E.F.
September
-
and Edited
30.
1979
b~
Chiburis
R.O. Ahner
Department
Paul
w.
Pomero~,
Weston Observator~
of GeoloS~ and Geoph~sics
Boston
Collese
Coordinator
United
States
June
Geolosical
Surve~
1980
MEMBERS
Weston Observator~
of Boston Collese
Massachusetts
Institute
of Technolos~
Lamont-Dohert~
Geolosical
Observator~
of Columbia
Universit~
F'enns~lvania
State
Universit~
Delaware
Geological
Surve~
Maine Geolosical
Surve~
State
Universit~
of New Yor~, at Ston~ Broo~,
New York
Nuclear
Re~ulator~
Commission
United
States
Geolo~ical
Surve~
National
Science
Foundation
St.te
Ener~~ and Resources
Development
New Yor~, State
Science
Service
Authorit~
ABSTRACT
This
report
in
sei$micit~
Julw
-
the
the
September
r..e two r"'..
Included
seismicitw
for
are
tables
of
all
data
for
Guarter.
velocitw
States.
are
ar..d seismicit~
'included
event
United
models
the
appropriate
States
geographic
durinS
station
tor
maps
period
of
the
and of
epicenters,
Appendi)(
the
the
auarters.
locations,
Arl
tor
the auarter,
si}{teen
the
at
bulletin
Guarterlw
si>:teenth
northeastern
1979.
stations
cumulative
the
is
describes
northeastern
the
United
F'ose
2
ACKNOWLEDGMENTS
Partial
or
sratefullw
Office
the
of
Science
\
state
from
are
routinel~
and
station
u.s.
border
o~ Ener~w,
In
has
been
of
t,he
Geolog~
Science
stations
to
data
some of
provided
Mines
to
provided
the
b~ the
Dept,.
of
defense
of the
U.S.
Studies;
Earthouake
the
Program;
bw the
Authoritw;
Geophysical
the events
b~ the
above
Research,
GeoloSical
Inc.,
Epicent.ral
in C~nada near
Ph~sics
Branch,
the
Dept.
Ottawa.
operational
Advanced
and
Earth
Edison
Consolidated
NEUSSN wher, available.
and Resources,
addition
u.s.
tbe
Service
provided
are
Resulat.or~
Research'
Development
operated
for
to
support
Nuclear
Geoph~sics
New Yor~, and Weston
of
ColJIPan~
of
Office
and Resources
New Yor~, State
Data
Safet~
Reactor
Networ~~(NEUSSN)
providin.
u.s.
the
for
agencies
Seismic
Agencies
Foundation,
Enersw
various
U.S.
include
Survew,
Geolo~ical
Yor",
Northeastern
NEUSSN
Commission.
National
from
ac~,nowledSed.
ot
melnt:le rs
support
the
of
operation
is
full
$upport,
Research
bw the
Office
Surve~.
Projects
of
Envi
eauipIJ,er..t
Asenc!:I
ronlflental
F'age
INTRODUCTION
.
St.at.ion
(.~uarter
are
formats
ot
3
and
operations
summarized
in
three
figures
and five
are
described
in
a ~eo~raphic
map of
tables
the
tor
results
seismicit!:l
tables
(the
section
the
EXPLANATION OF TABLES).
Figure
were
3
the
is
1
operational
are
maps
during
of
cumulative
reporting
seismicit~
period
those
which
the
NEUSSN stations
for
from
reporting
1975,
October
period
2
and
are
for
in
respectivel!:l'
felt
were
that
earthauakes
Figures
periodf
the
which
shown
b~ red
s~mt:'o 1 s.
Table
Table
2
reportins
1 is
is
Table
as
Table
azimuths,
2;
5 lists
being
list
3
4
that.
ea rthGua",es
.
number of arrivals
to
operating
of
epicenters
durinsJ
and periods
for
durinS
the
afte
not
be dQfinitel~
or that
did
not produce
an acceptable
times,
the
events
rshQc"'..s,
period;
reportir,s
could
obtain
stations;
arrival
to reshoci'- s,
lists
occurrinS
events
of
station
lists
amplitudes,
Table
microearthc.~ua"',es
Table
chronolo~ical
period;
distances,
in
a
list
location
a
identified
a sufficient
solution.
F'B.. 4
SEISMICITY
DurinS
the
were
ea rthGual-,es
United
Stat.es.
which
had
fo ,'eshoclt..s ,
July
- September
and
det.ect.ed
In
the
u.s. bord.r.
1.1 t.o 4.8.
less
than
with
the
8
are
included
but
were
within
Table
4
includes
100
7
and Table
5
earthGuakes
The masnitudes
from
of
t.he nort.heast.ern
and microearthGua~,es,
aftershocks,
3 suspected
in
8 total
earthQuakes
Canada
in
1979,
located!
4
addition,
epicenters
of
kilometers
lists
period
of
the
12 earthoua",es
The magnitudes
1 e>,cept for
Charlevoi>~,
the
of
series
PG earthGua"..e.
in
Tattle
the events
of aftershoc,""s
in
2
ranSe
Table
4 are
associated
Pa~e 5
EXPLANATION OF TABLES
Table
1:
List
of
Operating
Seismic
1.
Station
code.
2.
Station
latitude,
3.
Station
longitude,
degrees
4.
Station
elevation,
meters.
5.
GeoSrsphic
degrees
Stations.
north.
west.
location.
6. Networ~,operator.
Table
T.ble
2: Epicenter
List.
1.
Event date,
felt
data.
origin
time(UTC),
2.
Epicen~er
de~ermined
b~:
WES-Wes~on
Otlserva~or~
LDO-Lamon~-Doher~~
Geolosical
Observa~or~
EPB-Ear~h
Ph~sics
Branch,
O~~awa.
3.
Origin
4.
Event
latitude,
5.
Event
longitude.
6.
Event depth,
kilometers.
0 ~,m or 18 ~,m(Canada)
and
desrees.
degrees.
are
Depths of
restrained
RMS error(sec)
of
8.
95~ confidence
and lensths(J.',m)
ellipse
data:
of semi-major
9.
Event magnitude:
Mn-Nuttli
Lg magnitude
Mc-Coda duration
magnitude(WES)
Event
name,
time(UTC).
7.
3:
geographic
data
1.
Event date,
felt
data.
2.
Station
code.
least-sQuares
0 ~,m(U.S.)
values.
and
location.
semi-major
and -minor
azimuth,
a;.{es.
seosraphic
name,
list.
orisin
time(UTC),
and
PaSe 6
3.
4.
E.erSent(e)
or i.puI5ive(i);
pha5e t~pe(P,PS,P*,Pn,S,S~,S*,Sn).
If iMPulsive,
direction
of first
motion
included:
coapression(c)
or dilatation(d).
St~tion
arrival
5. Epicentral
distance,
azi.u~h,
7.
Peak-to-peak
sround
.otion,
in milli.icrons,
ma>{imum &nvelop&
amplitude
ot vertical-co.ponent
sisnal,
corrected
for system
response.
8.
Period,
a8plitude
9.
Hn as calculated
distance.
4:
1.
~:
de~
sec, of the
was measured.
si.nel
~rom amplitude,
fro.
of
the
which
period,
Hc=2.23loS(D)+0.12loS(k)-2.36,
where D is the
coda duration,
in sec, and k is .the epicentral
distance,
Table
k..
S~a~ion
in
also
ti..<UTC).
6.
10.
Table
is
in k...
Foreshocks,
Aftershocks,
Event date,
orisin
station,
masnitud.,
Suspected
The format
and MicroearthQuakes.
tiMe(UTC),
nearest
recordin.
and ..oSraphic
reSion.
and Poorlw-Located
for
Tables 2 and 3.
this
table
is
EarthQuakes.
a combination
of
those
for
PaSe 7
APPENDIX
VELOCITY HODElS USED FOR EPICENTER lOCATIONS
IN THE NORTHEASTERNUNITED STATES
Northern
Adi
Blue
New York and
rondac~,s(LDO)
Attica.
To
sec
DEPTH
6.1
6.6
8.1
0.0
O.S
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
0.0
0.0
5.98
6.62
8.1
0.0
1.0
6.5
0.0
7.0
35.0
5.31
6.06
6.59
8.10
0.0
0.16
1.78
6.72
0.0
0.88
13.09
34.60
VEL
km/sec
REGION
New York(LDO)
Htn.
Southeastern
northern
Lake.
New ¥ork(LDO)
NY and
New Jers&w(LDO)
New Ensland(WES)
.5.9
---
"..m
~
.,...
0
Q)
V
0
w
v
-.t
0
0
I{)
V
0
~
V
V
V
.(\J
0
v
q-
0
.CD
0
(1)
rt)
0
V
f(')
~ :~'
0
'-\
-.p'
\\ 6:
0
w
w
.
..-
0
a>
<D
~
~
-.
.0,-.
.
.-
.0
to-
~
.
.
..e
~
.
':-i ~
~..
- .
\ \--
0
N
r--
)
~
.
.
.
.
0
V
to-
\
\
\
\
\
\
.W
to-
.
,"
t
i~
~ \,
\
\
0
ct)
,...
0
"
-
.-"
.-. 1--1
0
,,- -"
.-
~--,~
r?
m
--L"""-
Figure
1.
'-~
,
.
I
0
a)
q-
0
t'V
0
(0
V
0
It)
V
0
2.
Earthquake
July
V
V
0
~
V
0
C\J
q-
0
V
.
v
0
0
.0
,
.(\I
,
0
v
r--
.
0
0
0
m
Figure
epicenters
during period
- September, 1979.
0
0
V
0
0
m
rt')
a>
rt)
TABLE 1
LIST OF OPERATING SEISMIC STATIONS BY STATE
JULY
STA
ID
LATITUDE
desrees
-
SEPTEMBER1979
LONGITUDE ELEVATION
desrees
meters
OPERATOR
CANADA,STATIONS USED FOR LOCATIONS IN THIS BULLETIN
CHG
GNT
LMG
MIa
MNG
MNT
F'OC
71.3000W
72.3720W
70.3267W
75.9667W
68.7700W
73.6231W
70.0400W
145
10
419
199
564
112
61
CHARLESBOURG,PQ
GENTILLY,PQ
LA HALBAIE,PQ
HANIWAKI,PQ
HANICOUAGAN,PQ
HONTREAL,PQ
LA POCATIERE,PQ
EPB
EPB
EPB
EPB
EPB
EPB
EPB
73.3839W
73.4113W
72.5232W
72.4667W
72.4337W
72.4715W
72.5121W
71.8516W
72.2505W
69
34 2
24
11 3
6 1
15 2
10 6
11 0
1-4 9
BROOKFIELD,CT
WES
ELLSWORTH,.CT
HADDAH,CT
HOODUS (COHSTOCK BRIDGE)
HOODUS (PICKEREL LAKE),C
HOODUS (CAVE HILL),CT
HOODUS (HADDAH NECK),CT
N STONINGTON,CT
STORRS,CT
WES
WES
WES
WES
WES
WES
WES
WES
39.3461N
38.7414N
39.7042N
7S.6767W
7S.4144W
75.70B2W
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
44.9863N
44.9035N
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
67.4674W
67.3271W
70.2551W
240
80
250
304
402
259
490
365
430
20
79
209
378
140
219
93
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
JACKMAN,ME
MILO,ME
COOPERHILL,ME
EAST RIDGE,ME
TURNER,ME
WEB
WEB
WEB
WEB
WEB
WEB
WEB
WEB
WEB
WEB
WEB
WEB
WEB
WEB
WEB
WEB
WEB
46.8900N
46.3630N
47.5484N
46.3667N
50.5300N
45.5025N
47.3600N
CONNECTICUT
BCT
ECT
HDM
MD1
MD2
HD3
HD4
NSC
UCT
41.4933N
41.8346N
41.4857N
41.5529N
41.5314N
41.5066N
41.5023N
41.4807N
41.8317N
DELAWARE
EtEtD
GTD
NED
MAINE
AGM
Bf'M
CBM
D1A
D2A
D3A
D4A
D5A
D6A
EMM
HKM
HNME
JKM
HIM
FoGO
FoGl
TRH
F'AGE
TABLE 1 Continued
2 OF 3
MASSACHUSETTS
COD
DUX
FlR
GlO
HRV
lNX
QUA
WES
WFM
41.6856N
42.0686N
41.7167N
42.6403N
42.5064N
42.3389N
42.4566N
42.3847N
42.6106N
70.1350W
70.7678W
71.1215W
70.7272W
71.5583W
73.2724W
72.3738W
71.3221W
71.4906W
-85
27
52
15
180
345
201
60
87
CAPE COD,MA
DUXBURY,MA
FALL RIVER,MA
GLOUCESTER,MA
HARVARD,MA
LENOX,MA
QUABBIN ,MA
WESTON,MA
WESTFORD,MA
HIT
HIT
WEB
HIT
HIT
WEB
WEB
WEB
HIT
71.2564W
70.8948W
72.2856W
71.5055W
72.1358W
71.3997W
472
24
BERLIN,NH
-DURHAM,
180
280
659
220
HANOVER,NH
OAKHILL,NH
PITCHER MTN,NH
WHITEFACE,NH
WES
HIT
WES
HIT
HIT
HIT
GARRET MOUNTAIN,NJ
GREEN POND,NJ
LONG VALLEY,NJ
OGDENSBURG,NJ
PAHAQUARRY,NJ
PRINCETON,NJ
RAMAPO,NJ
lDO
lDO
lDO
lDO
lDO
lDO
lDO
ALEXANDERBAY,NY
AIRPORT HANGAR,NY
BANGOR,NY
BINGHAMTON,NY
B~UM,NY
BLUE MOUNTAIN LAKE,NY
CANISUS,NY
CLINTON,NY
LDO
LDO
LDO
LDO
CON*
LDO
LDO
LDO
LDO
LDO
LDO
LDO
CON*
LDO
LDO
CON*
LDO
CON*
CON*
CON*
LDO
NEW HAMPSHIRE
BNH
DNH
HNH
ONH
PNH
WNH
44.5906N
43.1225N
43.7053N
43.2792N
43.0942N
43.8683N
NH
NEW JERSEY
GMTN 40.8825N
GF'D
LVNJ
OGD
PQN
PRIN
RAMA
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
NEWYORK
44.3225N
43.8413N
44.8288N
BING 42.0757N
41.3297N
BLH
43.8680N
BHL
CANY 42.9255N
CLIN 41.8750N
43.8513N
CLY
CROG 43.9050N
43.8741N
CTR
DANY 44.7583N
41.2944N
DBH
42.8255N
DHN
42.8363N
DNY
41.2528N
DPL
43.8596N
EGN
41.3294N
GOB
41.2661N
GSC
41.2672N
IPS
AHNH 40.7808N
ALX
APH
BGR
75.9280W
74.4970W
74.3742W
75.9767W
73.9550W
74.4020W
78.8528W
73.8490W
74.4490W
75.4125W
74.4600W
73.8357W
73.9750W
78.1930W
78.1688W
73.9108W
74.4818W
73.9219W
74.0039W
73.9483W
73.9738W
122
564
329
408
134
305
192
168
579
244
585
507
27
491
381
67
5-49
150
110
0
0
CRYSTAL LAKE,NY
CROGHAN,NY
CASTLE ROCK,NY
DANNEMORA,NY
DUNDERBURG
MTN,NY
DOYLE HILL,NY
DERSAM,NV
DELLI PAOLI,NY
EAGLES NEST,NY
GOBBELET,NY
GIRL SCOUT CAMP,NY
MANHATTAN,NY
PAGE :3 OF :3
TABLE 1 Continued
HEDY
HSNY
OCN
OSB
PAL
PNY
PTN
SANY
SNP
SPS
SRH
STL
TBR
UWL
WGL
WND
WNY
WPNY
WPR
WVLY
43.1818N
44.9983N
43.8848N
41.3603N
41.0042N
44.8341N
44.5725N
43.1738N
41.2408N
41.3019N
41.2283N
41.1886N
41.1417N
43.8378N
41.3589N
42.3375N
44.3910N
41.8"O30N
41.2546N
42.4708N
78.3903W
74.8620W
74.5293W
73.9239W
73.9091W
73.5550W
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
186
55
701
212
91
177
238
172
30
168
165
125
261
561
152
602
598
76
152
600
HEDINA,NY
HASSENA,NY
OVER CASTLE ROCK,NY
OSBORN,NY
PALISADES,NY
PLATTSBURG,NY
POTSDAH,NY
SANBORN,NY
STONEY PT,NY
ST PETERS SCHOOL,NY
SCHERHAN,NV
STILES,NY
TABLE ROCK,NY
UTOWANALAKE,NY
WEGEL,NY
WINDHAH,NY
WILHINGTON,NY
WESTPARK,NY
WARDPOUNDRIDGE,NY
WEST VALLEY,NY
LDO
LDO
LDO
CON*
LDO
LDO
LDO
LDO
CON*
CON*
CON*
CON*
LDO
LDO
CON*
LDO
LDO
LDO
LDO
LDO
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
MSC
PSU
PSU
72.5853W
73.1458W
72.1709W
72.9517W
73.0533W
72.8008W
73.1811W
72.6278W
72.6067W
300
85
370
366
295
580
134
262
240
BALTIHORE,VT
COLCHESTER,VT
DERBY,VT
FLETCHER,VT
IRA,VT
HARLBORO,VT
HIDDLEBURY,VT
HONTGOHERY,VT
HONTPELIER,VT
WES
LDO
WES
LDO
WES
LDO
LDO
LDO
LDO
F'ENNSYLVANIA
BVR
ERI
HVL
PHI
SCP
40.7000N
42.1333N
39.9992N
40.1166N
40.7950N
RHODE ISLAND
VERMONT
BVT
COV
DVT
FLET
IVT
MARL
MDV
MGVT
MPVT
43.3488N
44.S777N
44.9620N
44.7228N
43.5221N
42.8383N
43.9991N
44.9136N
44.2783N
* STATION CODES NOT ALL CLEARED THROUGHNEIC
OPERATORCODE
CON -
DGS EPB LDO MIT -
CONSOLIDATEDEDISON,INDIAN POINT,NY
DELAWAREGEOLOGICAL SURVEY
EARTH PHYSICS BRANCH,DEPT.OF ENERGY,MINES,AND RESOURCES,CANADA
LAMONT-DOHERTY GEOLOGICAL OBSERVATORY OF COLUMBIA UNIVERSITY
MASSACHUSETTS INSTITUTE OF TECHNOLOGY
MILLERSVILLE STATE COLLEGE
PSU - PENNSYLVANIA STATE UNIVERSITY
WES - WESTONOBSERVATORY,BOSTON
COLLEGE
MSC -
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TABLE 3
EARTHQUAKEDATA LIST
NORTHEASTERNUNITED STATES AND ADJACENT RE~IONS
JULY
-
SEPTEMBER
1979
STA PHASE
ARRIVAL
---
iPsC
eSS
iPsD
eSs
CHG iPsD
D3A
CDH
CDH
JKH
AZ
AHP
PERIOD
MAGNITUDE
--~""--
1979JUL051225
LHG
LHQ
POC
POC
DI9T
ePs
ePn
eSn
ePn
1979JUL090542
WNH ePs
HNH ePs
WFM .P~
BVT ePs
QUA eP*
IVT eP*
BNH eP*
UCT e
HDM ePn
BCT .
12
12
12
12
12
12
12
12
12
PQ,BAIE ST PAUL
25
25
25
25
25
25
26
26
26
41. 7
44.0
42.9
46.0
51.5
55.4
07. 7
27.1
09.5
20~,m
20~,m
28km
28~,m
87~,m
99km
181~,m
181km
192km
led..
leds
94d..
94dS
232ds
109d..
105ds:
105ds:
l76d.-
NH,SOUTH OF LACONIA
42 41.0
53km
5d~
42 44. 9
76~,. 298ds
42 46. 7
87~,m 182d~
42 47. 4
92~,m 267d.
42 53. 4 128~,m 216d~
42 53.3
131km. 277d.
42 54. 1 134~,m
7d185~,m 201d.05 43 06.1
230~,. 203d~
264km 218d.-
05
05
05
05
05
05
05
1979JUl14 0059
PQO ePs
00
POO eSs
01
POl eP~
00
pal
eS~
01
2.68Hc
2.53Hc
2.25Hc
6mu
7mu
16mu
12mu
6mu
o.~s.o
0.2$&c
0.2s.ec
0.25."
0.;'..'-'
2.39Hc:
2.10Hn
~.16Hn
~.62Hn
2.52Hn
2.42Hn
NB,EAST OF LAWRENCESTATION
59 54. 2
64~,m 222ds
00 02. 5
64~
222ds
59 54. 2
65~..m 209ds
00 02.4
65km 209ds
2.20"c
2.20Hc
eP~
eSg
00 59 ~8. 4
01 00 08.9
88~,m 211ds
88~..m 211ds
5mu
O.2sec
1.89Hn
HIH eP*
HIH eS*
BPH eP*
01 00 10. 5
01 00 30.4
01 00 12.1
167~..m 264ds
167~..m 264ds
171~..m 240ds
3mu
O.2$&C
1.91Hn
EHH
EHH
1979JUl282329
DNH ePS
ONH ePS
WNH epg
WFM eP*
WES eP*
HRV eP*
HNH ePn
BNH ePn
HKH ePn
BVT ePn
Continued
23
23
23
23
2~
23
23
23
23
23
ME,SE OF KENNEBUNKPORT
29 19.1
41km 243ds
29 26.1
86km 269ds
29 28.3
100km 310ds
29 30. 8 114~,m 229ds
29 32.7
124~,m 216ds
29 32.7
126km 227ds
29 37. 2 156~,m 288ds
29 37. 7 159~,m 336ds
29 37.6
165~,m 23ds
29 39.0
174km 273ds
2.42Hc
2.41Hc
1.48Hc
P_se
TABLE 3 (Continued)
STA PHASE
---
QUA
BP1'1
UCT
DVT
NSC
MIM
JKM
HDM
EMM
ECT
PQ1
BCT
D3A
CBM
ePn
ePn
ePn
ePn
ePn
ePn
ePn
ePn
e
ePn
ePn
eF'n
eF'n
ePn
~ of
3
.
ARRIVAL
23
23
23
23
23
23
23
23
29
29
29
29
29
29
29
29
40.0
42.2
44.8
46.8
46.6
47.5
50.8
50.4
23
23
23
23
23
29
29
29
30
30
53.5
55.6
56.2
11.4
12.6
DIST
183km
200km
220"..m
232"..m
232"..m
244km
263km
2641-"..m
2861-"..m
293
1-"..m
3071-"..m
314km
434km
4441-"..m
AZ
240dS
41dS
223dS
324ds
211ds
27dS
3ds
221dS
55dS
AMP
--,.,--
pf.'RJOn
-~'!"""--
MAGNITUDE
,.,,-.,
3.64Hc
208mu
O~3$~C
117mu O.'J$eo
;3.60Mn
J.4~Mn
237ds
53dS
232ds
13ds
24ds
1979AUG17 0556
D6A ePs
05
D5A ePs
OS
D3A ePS
OS
CBM eF'n
OS
JKM ePn
05
PQ,S.QF LA MALBAIE
56 53.0
75km 119ds
56 S6. 5
94~,m 118ds
56 57. 5
97~,m 111ds
S7 09. 4 178~,m 107dS
57 11.9
196~,m 177ds
1979AUG192249
lHQ ePs
22
POC ePs
22
D2A ef's
22
CHQ eP*
22
HNHE ePn
22
JKH eF'n
22
GNT ePn
22
HIH ePn
22
HNQ ePn
22
PQO ePn
22
HNT ePn
22
MIQ ePn
22
PQ,CHARlEVOIX
49 36. 8
35~,m
49 37. 0
40~,m
49 44.4
87km
49 52.8
139~,m
50 04. 2 227~,m
50 05. 2 230~,m
50 06. 1 239~,m
50 10. 9 282~,m
50 16. 5 325~,m
50 20. 0 357~,m
50 22. 2 375~,m
50 34.7 . 483~,m
240ds
193dS
138dS
230dS
139dS
186dS
232ds
166ds
15ds
147ds
231ds
254dS
1979AUG24 0721
TRM ePs
07
HKH ePs
07
BNH ePs
07
BPH ePs
07
JKM eP*
07
DVT eP*
07
HNH eF'n
07
ME,WAYNE
24Jt,m
2105.0
44Jt.m
21 08.0
94Jt,m
21 16.2
106Jt.m
21 18.9
136Jt,m
21 23.4
175Jt.m
21 29.8
194Jt,m
21 31.6
213ds
.56dS
281ds
78ds
355ds
290dS
246dS
1979SEP040738
ECT ePS
07
OSB ePS
07
CLIN ePS
07
GOB ePS
07
WPNYePS
07
BLH epg
07
Continued
CT,NY BORDER
39 01.3
30km
39 03.0
41~,m
39 03.2
43~,m
39 03.3
43km
39 03. 6
45~,m
39 03. 6
45~,m
19ds
234ds
321ds
230ds
305ds
233ds
3.73Mc
3.74Mc
97mI,J
O.4$ec:.'
~.38Mn
2.62Mc
2.52Hc
4.76Hc
2.51Hc
~.'36Hc
Pose
TABLE 3 (Continued)
STA PHASE
---
SNP
TBR
RAHA
HDM
UCT
ePs
eF's
eFts
ePS
ePS
ARRIVAL
07
07
07
07
07
39
39
39
39
39
04.8
08.5
09.1
10.1
13.9
018T
53",m
76",m
78"-m
85",m
110",m
AZ
HE,S.OF HT.KATAHDIN
48 53.6
52~,m 177ds
49 00.2
91 ~,m 266ds
49 01. 4
98~,m 59ds
49 05.1
122~,m 169d~
49 11.4
164~,m 123ds
1979SEP22 0303
HKH ePs
03
BNH ePs
03
BF'H ePs
03
HIH ePs
03
JKH ePs
03
PQO ePn
03
ME,EAST
03 25.0
03 35.7
03 36.4
03 36.2
03 37.4
03 51.1
03 03 54. 6
PERIOl'l
1.13Mc
64mlJ
1.2e.ec
OF FARMINGTON
33km
97ds
97km 264ds
100~,m 94ds
100~,m 52ds
26mu O.8$ec
10Bkm 352ds
207km
BOdS
229~,m
44ds
1979SEP241341
pa1 iPsC
13
PQ1 egg
13
PQO iPsC
13
PQO egg
13
EHH ePs
13
EHM egg
13
HIM e**
ME,PASSAHAQUODDY
BAY
4151.8
24km 241ds
41 55.0
24~,m 241ds
41 52.8
32~,m 266ds
41 56. 8
32~,m 266ds
41 55.0
45~,1T1229ds
42 00.3
45~,m 229ds
158~,m 280ds
1979SEP272045
BPM iPsC 20
EMM eF'S
20
PGO iPsC 20
MIM iPsD 20
PG1 i psC 20
HKM iPsD 20
HNME eP*
20
JKM ePn
20
BNH ePS
20
CBM e
HNH ePS
20
ME,NE OF ELLSWORTH
46 05.2
35km 260ds
46 10.8
69".m
85ds
46 12.1
78km
64ds
46 12.8
82".m 319ds
46 13.3
85".m
73ds
46 16.5
102".m 269ds
46 26.6
166".m
1Ods
46 28.9
184".m 307dS
46 36.7
231 ".m 268dS
250".m
4ds
46 54.9
333".m 252dS
3
MAGNITUDE
,
225ds
230ds
227ds
97ds
75ds
1979SEP14 0748
HIM ePs
07
JKM ePS
07
HNHE eP~
07
BPM eP*
07
pa1 eP*
07
HNHE eF'n
AMP
3 of
O,flU
O.2sec;
2.10Mn
1.761"1c
2.58Mc
2.72Mc
1.?6f1n
2.62Mc
2.28Mn
2.05Mc
2mu
O.2..c
1.76Mn
2.77Mc
2.S8Mc
emu
4mu
O.2s~c
Ot~sec
2.32Mn
2.04Mn
TABLE 5
SUSPECTED
AND POORLYLOCATEDEARTHQUAKES
NORTHEASTERNUNITED STATES AND ADJACENT REGIONS
JULY
-
SEPTEMBER
1979
DE,GEORGETOWN
39. N 75. W
1979JULO12358
*DGS
GTD iP
23 58 44.5
DE,GEORGETOWN
1979JULO52133
39. N 75. W
*DGS
21 33 27.8
GTD IP
1979JUL291233
*WES 12 33 03
CBH ePS
12
CBH eSS
12
PQO eP*
12
D3A ePS
12
HIH ePn
12
NB,SE OF JUNIPER
110
69
46.4N
67.1W
OR 0.40
57mu 0.8sec
33 19.0
96km 30Sds
33 30. 8
96~,m 30Sds
33 29.8
164km 190dS
33 32.9
17Skm Z9SdS
33 34. 8 201~,m 230dS
12.4
2. 3Mrl 2. 5Mc
2.25Mn
2.54Mc
2.35Mc
DISTRIBUTION
Recipient
Dr.
Jerrw
Branch,
Harbour,
Nuclear
30
Dr.
5
Dr.
M. Nafi
Technolosw
Toksoz,
~
Dr.
Yash
Observatorw
ASSarwal,
5
Dr.
Shelton
Universit~
5
Mr.
5
Earth
1
Consolid.~ed
1
Weston
1
File
N
Weston
Paul
Chief,
Site
Safetw
Research
Resulatorw
Commission
W. Pomerow,
P.
Massachusetts
Observator~
Observatorw.
Institute
Geolosical
Surve~
New York
Librar~
Boston
GeoloSical
State
Canada
of
.
Penns~lvania
Delaware
Branch,
Edison
NEUSSN
Lamont-Dohertw
S. Alexander,
Ken Woodruff,
Phwsics
Coordinator
Collese
of