ABSTRACT
report
This
~:;eism:i.city
Januarw
-
networJt;.
in
ever,t
velocit~
States.
t.he twerl t,y-second
t,he northeastern
March 1981.
stations
c~ulTIl.Jlative
j.ncllJded
is
are
Urtit,ed
Included
tables
for
durirl~
the
of st,atior.
data fo r the Quarte r .
models
appropriate
States
ot
bul1~t.
for
th~ f'erioij
are .c::teo.c::traph:ic
maps of the
arid seislTti(~:i.t~
seisn.icit,,=,
ouarter.lw
the
and ot
twerlt!d-two
ouarte1's.
locat,ior.s,
epil::er.t,ers,
An Appendix
for
OIJarter,
the
Ijescribes
northeasterrl
A 1.$(:)
and
the
Uni t@d
Pa.c:Je2
ACKNOWLEDGMENTS
Partial
or
of
operation
is
of
Office
Science
Natiorlal
State
are
routirlely
and
statior.
u.s.
border
of Eners~,
statiorls
of
the
EarthGuake
b~ the
Consolidated
GeoF-h!:lsical
provided
the
b~ the
of Defense
GeoloSw of the U.S.
ever.ts
Earth
in
Ottawa,
Advarlced
Geological
Office
SIJrve\:l+
I f"ICt ,
Ca.~lada rlear
Brarlch,
't,he
Dept.
Canada.
Research
arid b~ the
Edisorl
Ep'icer.tral
Phwsic$
above operational
b~ the
and
Research,
some of
to the
New
tt..e
;
Authoritw;
data
Mil-,es and Resources,
Dept.
Pro~ra",
to NEUSSN wherl available.
provided
the
Studie$~
provided
are
u.s.
the
Service
operated
for
to
Re~ulator~
Rese4i11'ch;
Devel()pmer.t
New Yor"-. arid Weston
In addition
been
ot
thE;
support
providing
Geoph~sics
Scierlce
for
SeislTli(~ Netwol'~.(NEUSSN)
S.fety
Office
Fol.-lrldation.
Sta-te
from
of
COlTlparlY
has
ot Reactor
a~erlcie$
u.s. NIJclee;r
the
Er,er!ii\:l and ResQIJrces
New York
Data
U.S.
Agencies
include
SlJrve\:l,
various
fro"1
Nort.heasterr.
NEUSSN
Geological
the
51_IF-port
ac~.rlowledged.
COITllTlj.~:;sion,
Yo,,"':.
flJll
the
~ratefully
ITlembers
r
support,
Projects
of
Erlv:i
e~I.JipRlerlt
ASerlc~
y'orllTlerltal
F'BSe
3
INTRODUCTION
Stat i or.
ouarteT'
are
formats
and
Qperatiorl$
slJlTllTlarized
of
the
irl
t,hT'ee figures
are
tables
for
results
seisnlic:i.t~
ar..d five
the
in
described
tabl~s
(the
se~t i or.
EXPLANATION OF TABLES).
were
3
is
1
FiSIJre
operational
are
the
dl.JrinS
of
ITlaps
clJml..llativ£"
which
those
a ~eoSraphic
the
reportin.
se:isIYli(::j.ty
period
for
fro"l
that
reportin~
197~,
...~riod
2
arId for
respectivel~,
felt
wer~
wh:ici1
Fi9lJY'es
period;
the
October
~a rthc.~ual<.ej;;
NE-;:USSN statiorls
map of
are
irl
6howr. b~ red
swmbols
Tatlle
Table
1 is
is
2
r.portins
T~ble
2;
mi r~roea r~hQua~.es
Table
as
5
1 ists
beinS
rll.JlTlber
Table
azimtJt.hs,
Table
list
lists
3
ampli"ttJdes,
4
lists
durin.
that
earthQuakes
or
olCreratin!i
ot
.",iC8nteT'S
durin!!
station
arrival
and periods
for
not
b.
that
did
not
the
times,
"the evert"ts
aftershocks,
the
could
t,o obt.ain
stations'
0'"
foreshocks,
occurrins
ev.nts
of arrivals
list
loc.tion
chronolosi~.l
period;
distar,ces,
in
a
.
reportin~
defir.itelw
produce
art accept,able
period;
ider.tified
a sufficient
solution.
PaD
-4
SEISMICITY
the period
DIJrins
9 earth()ual<.es
United
were
States,
eartholJal<.es
are
include,j
6 of these everlts
Table
and
4 includes
Table
to
3.8.
1981,
arid- locat.d
in
1
in
aftershocft;.s,
of
rloT't;,heast~T'rl
had epicenters
62 foreshock.s,
of
.totca].
In
New Jerse~.
which
7 slJspect,ed
a
th~
100 k.i lolTleteT's
5 lists
j..2
March
were withirl
The "la~rlit.IJdes
from
i:.1etected
irlcll.Jdirl~
-
.Janl.Jar\:l
addi t. i or.,
in
Canada.
of th.
arltj
U.9. horder.
ITlicT'oeay-.th(.~IJa~.es,
earthouakes.
t.he 24 eart.hol.Ja\t..es
The IT,a.f;;tnit,IJde's of
th~
ire Tcable
events
~
~
rarl.'i1(,~
,trl Tab!.
-4 aT'e
less than 1.
errors
SOlTle
were
tol.Jnd
rec.ntl~
ir)
t.he
CI..IlTlculative
sej.smi.cit';:l
throu.h
These e r ro rs have been relTloved and the
Fi~IJre
19.
3 i$
the
correct
(Fi~I..lre
CIJIf'ljJ.ative
3)
published
seisIf.icity
in
1.3
ITfar:,
b"Jll~tins
map.
of
15
present
PaSe 5
EXPLANATION OF TABLES
Table
1: t_ist
of Operatirls
1.
Station
code.
2.
Statior.
latitude,
Se3.smic St.ations
de.rees
north
3. Statior. lonsitude,
de~rees
4. Statiorl
meters.
5.
elevatiorl'
Geo~raphic
wes1~
location.
6. Networl<.operator.
Table 2: Epicer.ter
List.
1. Event, date,
felt
data.
ori~irl
t:ime (UTC),
~eoqraphiL
2.
E~icenter
determined
bw:
WES-Westorl Observatory
LDO-Lamorlt-'Dohert~
Geolo~ical
Observat.or~
EPB-Earth
Ph~sics
Branch,
Ott.awa,
Canada
CON-Consol idated
Edisorl
Co.
of New Yor~.
MIT-Massachl..lsett.s
Institute
of Techrlolo~':I
3.
Origin
4.
Event
latitude,
5.
Event
lonsitude,
6.
Event
depth,
0 I-:.ITI or
18
9
deSrees.
degrees.
1-:.i 1 olrlete
I<.ITI(Carlada)
of
rs.
are
Depths
restrairled
least-sGI.Jares
95% confidence
ellipse
and 1erlsths ( "-.ITI) of selT.
data:
j. -1T,aJo
. Hn-Nuttii
Event
dod
t.in,e (UTC) .
7. RHS error(sec)
B.
IlaIYI~'
r
of
semi-".a..ior
arid -mir..or
Ls masnitl.Jde
Hc-Coda dlJratior,
IJ,aSr,itude(WES)
I ;! masrlitlJde
(LDO,
I-:.ITI(U.
values.
S .)
al-llj
locatiol"'
masnitlJde:
Hi-Richter
0
EPB)
az:iml t,h,
a}{es.
Pa.e 6
Table
3:
Event
data
list.
1. Event date,
felt
2.
Station
code.
3.
Emer~ent(e)
or impulsive(i)'
phase t~pe(P'P9,P*,Pn,S,S_,S*,Sn).
If impulsive,
direct,iorl
of FIRST motiorl
irlcluded:
co~pression(C)
or dilatatiorl(D).
is
also
time(UTC).
4.
S~a~ion
arrival
5.
Epicentral
6.
Station
7.
Pea",-to-peak
~round
IfJotion,
irl rfli 11 j nlicrons,
of
ma:.,imIJm envelope
amp1 itude
of vertical
-coftlponen1,
si~nal,
corrected
for
s~stem
respor,se.
distance,
azimuth.
anlp 1 i tlJde
0
.
10.
4:
1.
Table
r,alT,p, and
time (t.JTC), .eosrapt,ic
data.
e. Peri.od,irl
Table
ori.ir,
5:
The
~.m.
de~
sec, of the si~nal
was measu red.
Hn
HI as calculatelj
and and
distance.
.
f
.o IT,
f ron.
anl?l
wI
the
ch the
itlJde,
period
Hc=2.23Lo~(D)+0.12Lo~(k)-2.36.
where D is the
coda duratior..
in sec. and ~. is the epicpntra
distance.
in kill.
Foreshoc~.s,
Aftershocks,
Event date.
orisin
station.
maSnitude.
Suspected
format
and Microearthouakes
time(UTC).
nearest
recordin~
and SeoSrsphic
reSion.
and Poorlw-Located
for
Tables 2 and 3.
this
table
is
EarthQuakes.
49 conlbirlation
of
those
tor
Page 7
APPENDIX
VELOCITY MODELSUSED FOR EPICENTER LOCATIONS
IN THE NORTHEASTERNIlNtTED STATES
VEL..
jI;.lTl/sec
REGION
Northern
New York arid
Ad i rondacJl;. s (lDO)
At.t.ica,
Blue
New York(LDO)
Mtr..
SolJtheasterrl
nor-therr.
Lal<.e, New York(LDO)
NY and
New Jerse~(LDO)
New En~land(WES)
6.1
6.6
8.1
To
sec
0.0
0.5
6.3
DEF'TH
,,".m
..--- ..-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
5.98
6.62
8.1
0.0
1.0
6.5
5.31
6.06
6.59
8.10
0.0
0.16
0.0
0.88
1..78
6.72
13.09
34.60
0.0
7.0
35.0
~
0
0
CD
V
0
CD
V
toV
0
0
an
V
0
C\J
V
0
V
V
~
V
--.
0
0
0
V
V
0
0
m
J()
CD
~
~
0
V
(0
" 6:
0
(0
(0
-~
~
~
~
~
~
0
a>
CD
~
~~~
+-',
. ...~~
~
~
,...
,
---
'.-
0
..r,
0
,
~
-
.
0
t'J
f'-
~
0
V
,...
~
~
0
<D
f'-
~
~
Qj
rzJ
co ~
~
(: ~
oro4 Qj
{/) fx.
.
\
\\
...
(
,
~-t-\
\
---
0
'
-
./
\
\
\
.
I
,
.
..
-
.
0
G)
v,
t:
-~'-
.~..
FIGURE2.
EartholJake
Epicerlters
January
- March
1981
dlJrirl~
the
.
.
"f"
.
\
~
,
..(
\.
.
\
\.
~
.
~
0
0)
,...
---r--
~
J"
~
'-'
\
,
-I-
~
QI ~
.
."
. .
.u
(:
QI ~
-
/~
)"'- \
~
,..
'"
i
period
TABLE 1
LIST OF OPERATING SEISMIC STATIONS BY STATE
JANUARY- MARCH
1981
STA LATITUDE LONGITUDE ELEVATION
In
de~rees
de~rees
meters
OPERATOR
CANADA,STATIONS USED FOR LOCATIONS IN THIS BULLETIN
Al0
A1.6
A20
A54
A56
A60
A64
DUO
CKO
EFO
FHO
GAC
GRG
JAG
LDQ
LHQ
LPG
POC
SDG
SUD
TRG
VDQ
WDO
47.2460N
47.4680N
47.7060N
47.4570N
47.5500N
47.6920N
47.8270N
43.3617N
45.9944N
43.0917N
45.4550N
45.7033N
46.6067N
53.8022N
53.8060N
47.5484N
47.3408N
47.3600N
45.3783N
46.4660N
46.2222N
48.2300N
45.0003N
70.1930W
70.0100W
69.6900W
70.4130W
70.3270W
70.0930W
69.8910W
79.7450W
77.4500W
79.3117W
76.2170W
75.4783W
75.8600W
75.7211W
77.4280W
70.3267W
70.0094W
70.0400W
71.9264W
80.9660W
74'.
5555W
77.9717W
75.2750W
45
22
45
384
414
358
137
88
191
168
72
62
290
366
198
419
126
61
2~6
267
853
305
85
EPB
EPB
EPB
EPB
EPB
EPB
EPB
EPB
EPB
EPB
EPB
EPB
EPB
EPB
EPB
EPB
EPB
EPB
EPB
EPB
EPB
EPB
EPB
BURLINGTON,ON
EFFINGHAM,ON
FITZROY HARBOUR,ON
GLEN ALMOND,PQ
LA MALBAIE, PI].
LA POCATIERE,PQ
LA POCATIERE,PQ
SHERBROOK,PQ
SUDBURY,ON
CONNECTICUT
BROOKFIELD,CT
ELLSWORTH,CT
HADDAM,CT
MOODUS(COMSTOCKBRIDGE)
MOODUS(PICKEREL. LAKE)
MOODUS(CAVE HII_L.)' CT
MOODUS(HADDAM NECK),CT
""
MOODtJS (SHAILERVILLE),
W
.,...1
~""
;;J
7 '")
O
73.3839W
73.4113W
72.5232W
72.4667W
72.4337W
72.4715W
72.5121W
72.4950W
71.8516W
.
41.4933N
41.8346N
41.4857N
41.5529N
41.5314N
41.5066N
41.5023N
41.4551N
41.4BO7N
41.8317N
.,.
BCT
ECT
HDM
MD1
MD2
MD3
MD4
MD5
NSC
UCT
WES
WES
WES
WES
WES
WEn
WES
CT WES
N STONINGTON,CT
STORRS,CT
WES
WES
BLACKBIRD,DE
GEORGETOWN,
DE
NEWARK,DE
DOS
DGS
DGS
ALLAGASH,HE
BUCKSPORT,HE
CARIBOU,HE
DICKEY,HE
WES
WES
WES
WES
DELAWARE
BBD
GTD
NED
39.3461N
3B.7414N
39.7042N
75.6767W
75.4144W
75.7082W
47.0B17N
44.6317N
46.9325N
47.05B6N
69.0233W
68.7893W
68.120BW
69.0989W
18
15
46
MAINE
AGM
BPM
CBM
D1A
240
80
250
304
PAGE 2 OF 4
TABLE 1 Continued
47.1304N
47.0876N
47.1881N
4?O113N
47.0890N
44.7392N
44.6564N
46.1599N
45.6555N
45.2436N
44.9863N
44.9035N
44.2S97N
D2A
D3A
D4A
D5A
D6A
EMM
HKM
HNME
JKM
MIM
POO
POl
TRM
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
402
259
490
365
430
20
79
209
378
140
219
93
113
DICKEY(KELLY MTN),ME
DICKEY(CARTER BROOK),ME
DICKEY(ROCKY HTN),HE
DICKEY(BROWNS BROOK),ME
DICKEY(TWO MILE STREAM),
EAST MACHIAS,ME
HINCKLEY,ME
HOULTON,ME
JACKMAN,ME
MILO,ME
COOPER HILL,ME
EAST RIDGE,ME
WES
WES
WES
WES
WES
WES
WES
WES
WES
WES
WES
WES
TURNER,ME
WES
70.1350W
70.7678W
71.1215W
70.7272W
71.5583W
73.2724W
70.0260W
72.3738W
71.3221W
71.4906W
-85
27
52
15
180
345
.100
201
60
87
CAPE COD.HA
DUXBURY.HA
FALL RIVER.HA
GLOUCESTER.HA
HARVARD.HA
LENOX.HA
NANTUCKET.MA
QUABBIN .HA
WESTON.HA
WESTFORD,HA
M 1T
MI T
WES
MI T
MI T
WES
HII T
WIE'S
WES
HI T
71.2564W
70.8948W
72.2856W
71.5055W
472
24
BERLIN,NH
DURHAH,NH
HANOVER,NH
OAKHILL,NH
PITCHER HTN,NH
WES
HIT
WES
HIT
HIT
GARRET HOUNTAIN,N
GREEN POND,NJ
LONG VALLEY,NJ
OGDENSBURG,NJ
PAHAQUARRY,NJ
PRINCETON,NJ
RAHAPO,NJ
LDO
LDO
LDO
LDO
LDO
LDO
LDO
ALEXANDERBAY,NY
AIRPORT HANGAR,NY
BANGOR,NY
BINGHAHTON,NY
BLUH,NY
CANISUS,NY
CALL HOLLOWRD,NY
CLINTON,NY
L D0
L D0
L D0
L D0
C0 N*
L D0
C0 N*
L D0
MASSACHUSETTS
41.6856N
42.0686N
41.7167N
42.6403N
42.5064N
42.3389N
41.2950N
42.4566N
42.3847N
42.6106N
COD
DUX
FLR
GLO
HRV
LNX
NMA
QUA
WES
WFM
NEW HAMPSHIRE
44.5906N
43.1225N
43.7053N
43.2792N
43.0942N
BNH
DNH
HNH
ONH
PNH
72.
1358W
180
280
659
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
YORI<
ALX
APH
BGR
B1NG
BLH
CANY
CHR
CLIN
44.3225N
43.9413N
44.9299N
42.0757N
41.3297N
42.9255N
41.2090N
41.B7S0N
75.9280W
74.4970W
74.3742W
75.9767W
73.9550W
78.8528W
74.2211W
?3.8490W
12 2
56 4
32'9
40 9
13 4
192
18 3
16,9
TABLE 1 Continued
CLY
CRaG
CTR
DANY
DBM
DHN
DNY
DPL
EGN
GOB
GSC
IPS
LDNY
AMNH
MASH
MEDY
MSNY
OCN
OSB
PAL
PNY
PTN
SANY
SNP
SPS
SRM
STL
TBR
UWL
WGL
43.8513N
43.9050N
43.8741N
44.7583N
41.2944N
42.8255N
42.8363N
41.2528N
43.8596N
41.3294N
41.2661N
41.2672N
40.9319N
40.7808N
41.0411N
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
PAGE 3 OF 4
74.4490W
75.4125W
74.4600W
73.B357W
73.9750W
7B.1930W
7B.1688W
73.9108W
74.4818W
73.9219W
74.0039W
73.9483W
73.4681W
73.9738W
72.2933W
7B.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
579
244
585
507
27
491
381
67
549
150
110
0
30
0
3
186
55
701
212
91
177
238
172
30
168
165
125
261
561
152
CRYSTAL LAKE,NY
CROGHAN,NY
CASTLE ROCK,NY
DANNEHORA,NY
DUNDERBURGHTN,NY
DOYLE HILL,NY
DERSAH,NY
DELLI PAOLI,NY
EAGLES NEST,NY
GOBBELET,NY
GIRL SCOUT CAHP,NY
INDIAN POINT STATION,NY
LLOYDS NECK,NY
HANHATTAN,NY
HASHOHACK,NY
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,NY
STILES,NY
TABLE ROCK,NY
UTOWANALAKE,NY
WEGEL,NY
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
73.0650W
73.0533W
72.8008W
73.1811W
72.6278W
72.6067W
300
85
370
366
344
295
580
134
262
240
BALTIHORE,VT
COLCHESTER,VT
DERBY,VT
FLETCHER,VT
HINESBURG,VT
IRA,VT
HARLBORO,VT
HIDDLEBURY,VT
HONTGOHERY,VT
HONTPELIER,VT
WES
LDO
WES
LDO
LDO
WES
LDO
LDO
LDO
LDO
LDO
LDO
LDO
LDO
CON*
LDO
LDO
CON*
L_DO
CON*
CON*
CON*
SBU
LDO
SBU
LDO
LDO
LDO
CON*
LDO
LDO
LIIO
L.DO
CON*
CON*
CON*
CON*
LDO
LIIO
CON*
PENNSYLVANIA
BVR
ERI
HVl
PHI
SCP
40.7000N
42.1333N
39.9992N
40.1166N
40.7950N
VERMONT
.BV
T
CO!V
DVT
FL ET
HBVT
IV T
tiA RL
tiD V
tiG VT
tiP VT
43.3488N
44.5777N
44.9620N
44.7228N
44.3623N
43.5221N
42.8383N
43.9991N
44.9136N
44.2783N
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TABLE 3 (Continued)
STA PHASE
---
F'sse
ARRIVAL
DIST
AZ
1981JAN040917
HE, N OF BRUNSWICK
TRH iP~C
09 17 18.15
45km 334d~
TRH eSS
09 17 24.4
4511:.m 334dS
BNH iP*D
09 17 30.8
12611:m
BNH
BPH
BPH
HIH
HNH
EHH
IVT
IVT
QUA
HDV
HDH
APH
09
09
09
09
09
09
09
09
09
09
09
09
12611:.1T1
30Bd!=i
12711:.1T1 50d~
12711:.m 50dg
169f1:.m 27d~
184f1:.1T1264dg
222f1:.m 64d~
249f1:.m 262dg
2491-:.1T1262dg
250fl:.m 231dg
25511:.m 274dg
33811:.m 219dg
361f1:.1T1271ds
eS*
i P*D
eS*
eP*
ePn
ePn
ePn
eSn
ePn
ePn
ePn
ePn
17
17
17
17
17
17
17
18
17
17
17
18
46.1.
30.9
46.45
37.5
39.0
45.2
48.0
15.5
48.3
48.0
59.1
01.0
30Bd!=i
AMP
05 03
05 03
05 03
05 03
05 03
05 03
1981FEB070949
CKO
CKO
VDQ
VDQ
MIQ
MIa
GAC
ePn
eS~
ePn
eS~
ePn
eSn
ePn
28"11.1
O.20sec
2.65Mrt 2. 93Mc
1. 5
O.15sec
2.5jMrl
33ITt..!
9nttJ
1 Z91~.1T1 89dS
168!1:ITI
88dS
16B!I:.m
B8ds
172!1:.1T1 116dS
172!1:.1T1 116ds
188!1:.1T1 101ds
ON, 15KM E FROM Sl.JDBUF~Y
00.0
36.77
02.55
41. 0
13.0
52. 0
18.0
ITI 1..1
2.95Hc
2.B2Hc
09
09
09
09
09
09
09
50
50
50
50
50
50
50
07
07
07
07
07
07
07
07
07
07
07
07
PO, 45KM SE FROM MANIWAKI
44 36.42
44k.m' 306d~
44 37.47
48k.m 178d~
44 43.4
48\1:.m 178ds
44 43.4
84k.1T1 191d~
44 44.7
94k.1T1 217dS
44 56. 1
('14k.m 2171j~
44 51.45
136~,m 158ds
45 07.1
1361<.m 158d~
44 53.6
152k.m 265d~
45 12.0
152k.ITI 265d~
44 57.55
178\1:.1T1167d~
45 18.5
178\1:.m j.67d~
1981FEB080744
MIO ePSC
GAC ePs
GAC eSs
OTT ePsD
FHO ePS
FHO eSs
MSNY eP*
MSNY eS*
CKO eP*
CKO eS*
PTN ePrl
PTN eSn
Continued.
24.6
14.6
35.1
15.7
35.9
18.0
MAGNITUDE
HEARD AND FELT
1981JAN070502
ON, NEAR BRANTFORD
SANY eP*
05 03 08.7
129!1:.1T1 89ds
SANY eS*
HEDY eP*
HEDY eS*
WVLYeP*
WVl.Y eS*
DHN ePn
PERIOD
2 OF 7
267\1;.m j. 03d~
267\1;.", 1 03d~
283\1;.",
48d~
283~.m
48d~
373knl
92d~
373~,n,
92d~
423\1;.nl 101d~
O.25sec
O.22sec
2. B4Hrl
2. 95Hc
2.40Hn
3.02Hc
TABLE 3 (Continued)
STA PHASE
ARRIVAL
---
DANYePn
DANYeSn
PNY ePn
PNY eSn
WNY ePn
GNT eSn
HBVT eF'n
07
iPsC
eP*
eS*
eP*
eS*
eP*
eS*
eS*
ePrl
eSr,
1981FEB090314
45
0.6
07 45 24.1
07
07
07
07
07
19B1FEB090115
HIH
PQO
PQO
HNHE
HNHE
TRM
TRH
EHH
BNH
BNH
rase
01
01
01
01
01
01
01
01
01
01
45
45
45
45
45
01.05
25.95
04.2
33.0
09.55
20 1 \I;.m
20 1 \I;.m
210\l;.m
210\l;.m
23311:.'"
24311:.'"
2'75\1;.",
AZ
AMP
DNH
WFM
HNH
HNH
HRV
BVT
BVT
GlO
IVT
BNH
TRM
MD1
03
03
03
03
03
03
03
03
03
03
03
03
14
14
14
14
14
14
14
14
14
14
14
14
19.5
22.2
23.6
33.2
24.0
24.0
34.4
25. 8
45.5
54. 45
55.4
42.5
57\1:.1T1101dg
68j1;.1T1174d!t
78 jI;.ITI 314ds
78k.1T1 314ds
80\l:.m 1°79ds
B3km 280d!t
83km
280ds
95~,m 133ds
124j1;.m 286dS
154~.m
10ds
157km
42ds
199j1;.m 202d~
19 32 58.9
19 33 01.5
17f1;.m
17f1;.1T1
GNT ePS
HNME ePn
MIM ePn
19 33 28.0
19 33 27.5
19 33 33.0
206km
235ds
219f1;.m 130ds
259f1;.1T1160ds
6 Ifl 1..1
2.02Mc
1.92Mn
2.00"0
18 26 51.0
18 27 11.3
18 27 26.6
0.1059C
2.06t1n
1.69Mc
1.69Hc
t
.-'RI!.J
2".1..1
O.15sec
O.15sec
1 . 98Mrl
1.67Mrl
HEARD AND FELT
O.15sec
2.49Hrl 2. 52Hc
121T11.JO.15sec
12mlJ O.15sec
2.60Mrl 2. 77Mc
2.67Mn 2.78Mc
12ml..!
ME, E OF DOVER-FOXCROFT
61c.m
67ds
131T1IJ
MIM eP D 18 26 49.6
Continued
1.B5Mn
318ds
165f1;.1T1 109d~
165f1;.1T1 109d~
eS
eP*
eS*
.
1 90M(~
318ds
19 33 21.2
19 33 40.4
MIM
PQO
PQO
1.56Mc
9j1;.m
45d!t
47j1;.ITI 253ds
CBM eP*
CBM eS*
1981FEB151826
MAGNITUDE
139d~
139d~
133d~
133ds
146ds
83dS
135ds
1981FEB11 1932
PO, 20KM N FROM LA POCATIERE
LPQ iP*
19 32 58.46
16f1;.m 130ds
LPO eS*
19 33 01.4
16~,m 130ds
LMQ eS*
7
NH, NW OF CONCORD
03 14 11.5
03 14 18.3
LMQ eP*
PERIOD
HE, SE OF DOVER-FOXCROFT
15 55.75
81-;.m 65d.9"'1..1 O.10sec
16 17.0
1331-;.m 100d.16 32.6
1331-;.m 100d~
16 17.5
1381-;.m 40d~
3ml,J
O.15sec
16 33.7
13BI-;.m 40d~
16 17.15 1391-;.", 221d~
16 33.8
j.391-;.", 221d~
16 34.6
1401-;.m 112d~
4 "IIJ
O.15s&c
16 24.6
1821<.", 248d~
16 45.1
1821-;.m 248d~
ONH ePs
PNH ePs
ePs
ePs
ePs
eSs
ePs.
iPsD
eSs
ePS
eS*
eS*
eS*
ePn
DIST
3 OF
61c.m 67dS
1321c.m 101ds
132~~"1 101ds
O.10sec
1.32Hc
1.61t1c
Pa~e
TABLE 3 (Con~inued)
.
STA PHASE
ARRIVAL
---
HNHE
eP*
HNHE eS*
TRH eP*
TRH eS*
BNH ePn
BNH eSrl
18 27 11.5
18 27 28.4
18
18
18
18
27
27
27
27
12.1
29.3
18.2
39.5
DIST
136 Jt;.m
136 Jt;.1T1
140 klTI
140 I.(.ITI
183 Jt;.1T1
183 Jt;.m
AZ
40ds
40dS
221d~
221d~
24BdS
248d~
AMP
2"'IJ
eS~
eF'*
eS*
eP*
PQO eS*
HNME eP*
HNME eS*
23
23
23
23
HBVT ePn
07
HBVT
CLY
APH
DVT
LNX
MIM
ECT
BCT
PQO
07
07
07
07
07
07
07
07
07
1981FEB232237
HDV ePS
HDV eS~
WNY ePs
WNY eSs
HBVT eP~
HElVT eS~
CTR eP~
CTR eS~
PTN eP*
48.5
41.9
00.3
42 3
23 56 00.6
23 55 43.5
23 56 03.1
1981FEB19 0707
OTT eP~
07
OTT eS~
07
MID eP~
07
MSNY eP~
07
MNT eP9
07
MNT eS9
07
FHO eP9
07
PTN eP*
07
DANY eP*
07
PNY eP*
07
WNY ePn
07
ONT ePn
07
ONT eSn
07
eSn
ePn
ePn
ePn
ePn
iPnC
ePn
ePn
ePn
55
55
56
55
112!1;.m 216d~
154!1;.m 250dg
154f1;.1T1250d~
155~,m
93d~
93d~
165f1;.m 43d~
165!1;.1T143d~
1.72Mn 1.71Mc
::!ITIIJ
3 IT!1..1
O.1.5s(~c
j .74t1r.
O.10sec
O.15sec
1.85Hc
1.BOHc:
1.91Hn
1..95Hc
2.09Mc
155f1;.1T1
41T11.J
O.15sec
ON, 100~. NE FROM OTTAWA
FELT
07 24. 5
93~.m 225d9
07 35. 5
93~.m 225d9
07 24.6
9411:.m 297d9
07 27.1
110~.", 179d9
07 27.5
11211:.m 118ds
07 40.7
1121t;.m 118ds
07 28.5
11911:.". 24j.ds
07 34.35
15811:.'" j.83ds
07 34.5
16011:.". 149dg
07 35.05
16511:.m j.40d9
07 39. 75 195~.m 15511s
07 40.0
19911:.m 77d~
08 04.0
19911:.1T1 77d~
07 44.25 23111:.m j.41d~
08 10.85 231~,m 141d~
07 45.8
240km
172d~
07 45.8
24111:.m 173d9
07 46.0
24111:.m 117d9
08 09.0
42611:.'" 162d~
08 12.5
46411:.". 98dg
42ml..1 O.30sec
08 15.5
47711:.m 165d9
08 20.0
514~.m 166d9
08 27.8
591 lI:.m 98d9
NY, HINEVIllE
37 48.35
30\l;.m 107ds
37 51.95
30\1;.". 107dS
37 50.4
43\1;.". 324dS
37 55.75
43\1;.", 324dS
37 51.55
50\1;.111 SOdS
37 57.6
50\l;.m
SOds
37 55.95
.77\1;.". 2S3dS
38 05.5
77\1;.", 253dS
22 38 04.0
127\1;.m
296dg
22
22
22
22
22
22
22
22
O.15sec
MAGNITUDE
1.76Mc
1981FEB152355
ME, SW OF DOVER-FOXCROFT
MIM iP~D 23 55 22.2
36!1;.m
59d~
8m!..!
TRM
BNH
BNH
PQO
PERIOD
4 OF .7.
1.97Hn
2.11Mc
3.17Hn
3.95Mc
3.73Mc
3.64Mc
3.
96M(~
TABLE 3 (Continued)
STA PHASE
Pa~e
ARRIVAL
---
DIST
AZ
AMP
PERIOD
5 OF 7
MAGNITUDE
PO, 60KM NE FROMMANIWAKI
01 49 06.0
691<.", 184d~
01 49 14.5
691<.", 184d~
01 49 18.5
146ft;.", 167d~
01 49 22. 0 172~:.fTl l88ds
01 49 42.5
1.72ft;.fT. lB8d~
01 49 43.5
177ft;.fT' l75ds
1981FEB27 0148
MID
MID
GAC
eP~
eS.cJ
eP*
FHO eP*
FHO
OrT
eS*
eSn
19B1HAR13 0405
NY, HINEVILLE
HDV
HDV
WNY
WHY
HBVT
HBVT
CTR
CTR
DAHY
DANY
APH
APH
ePii
eSii
eP.cg
eSii
eP.cg
eSii
ePii
eSii
eP.cg
eSii
ePii
eSii
04
04
04
04
04
04
04
04
04
04
04
04
05 1 B. 3
05 21.8
05 20.4
05 25.6
05 21.6
05 27.7
05 25.8
05 35.4
05 26.2
05 36.0
05 26.6
05 36.6
BGR
CRaG
eP.cg
eP*
04
04
05
05
30. B
37.5
30 i';.Irl
30i';.m
43i';.m
431<.m
501<.m
501<.m
77i';.1r1
77 i';.Irl
BOi';.m
BOi';.1r1
B1i';.1r1
B11<.m
1 0 7i';. Irl
15111:.1T1
106dS
106ds
324dS
324d~
SOds
SOds
2S3ds
253dS
343d~
343ds
251d~
2S1ds
322dS
263ds
1981MAR151943
PQ, 10KM N FROM LA MALBAIE
LMQ eP~D 19 43 11.7
14knl 263d~
LPQ iP*C
LPQ eS*
19 43 14.54
19 43 19.49
CBM eS*
GNT ePn
19 43 57.0
19 43 42.0
PQO
POl
19 43 58. 9
19 44 38.3
CBM eP*
HNMEePn
ePn
eSn
19 43 ~6.1
WBO
weo
BGR
BGR
OTT
GAC
DANY
DANY
FHO
WNY
WHY
PNY
PNY
CRaG
CRaG
CTR
CTR
TRO
eP~
eS~
eP!!
eS~
eS~
eSS
eP~
eS~
.S~
eP~
eS~
eP~
eSs
eP*
eS*
eP*
eS*
eS*
27k.m 157d~
27knl
157d~
169km 114dS
169k.m 114d~
216k.m 233d~
19 43 43.25 227k.m 133ds
1981MAR18 1258
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
353~.m
367k.nl
41nll..l
O.20sec
2.93Hn
19n1lJ
O.lSsec
2.83Hn 3.0SMc
143ds
143d~
ON, 25KM E FROM WILLIAMSBURG
58
58
58
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
53.84
56.95
57.7
03.7
09.5
13.15
04.3
15.6
20.0
07.7
21.2
07.05
20.9
11.0
25.55
11.4
27.0
28.0
FELT
2611:.", 262d!!
2611:.m 262d~
51km
117d~
5111:.m 117d~
721<.m 304d~
8511:.", 331ds
931<.m j. 09ds
93km
109d~
110km
296d~
1121<.m 129d~
11211:.m 129d~
11211:.", 101dS
112i1:.m 101d~
131km
197d~
13111:.m 197d~
135km
163ds
135i1:.m 163d~
136i1:.",
13d~
2.95Hc
TABLE
3
Page
CContinlJed)
ARRIVAL
STA PHASE
---
1981MAR181303
DIST
AZ
ON, 25KM E FROM WILLIAMSBURG
WBO eP~D
13 03 28.59
WBO eS~
13 03 31.7
26~.m
26~.m
BGR eS~
13 03 38.5
50~.1T1 115d~.t
OTT
GAC
DANY
DANY
WNY
WNY
FHO
F'NY
F'NY
MNT
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
eS~
eP~D
ePs
eSs
eP~
eSs
eS~
eF's
eS~
eSS
CRaG eF'*
CRaG eS*
CTR eF'*
CTR eS*
TRa eP*
TRQ eS*
MI a eP*
MIQ eS*
GRa eF'rl
1981MAR19 0851
GF'D
GPD
RAHA
RAMA
TBR
TBR
LVNJ
LVNJ
eF'g
eSg
eP~
eS~
epg
eS~
eP~
eS~
WPR eP~
08
08
08
08
08
08
08
08
AMP
03
03
03
03
03
03
03
03
03
03
03
04
03
04
03
04
03
04
03
44. 4
38.05
39.0
50.3
42.2
56.05
55.0
41.85
55.6
57.0
45.0
00.4
45.85
01.4
46.2
03.0
52.2
11.3
54.5
266d~
266d~
74~.1T1 305d~
871-:.ITI 331d~
92J1;.1T1108ds
92J1;.ITI 108d~
111J1;.ITI 129dS
111J1;.m 129dS
l11J1;.m 296dS
112J1;.1T1100d~
j.12J1;.m 100ds
117J1;.1T1 62d~
129J1;.1T1197d~
129J1;.1T1j. 97d~
133J1;.ITI 163d~
133J1;.m 163d~
137!1:.m 13dg
137~.ITI
13d~
170Jl;.1T1332ds
170!l:.1T1 332d~
190Jl;.ITI 338ds
NJ, BOONTON
51
51
51
51
51
51
51
51
37.5
39.1
38.8
41.3
39.5
42.5
41.1
45.4
08 51 46.65
151<.1T1317d~
1511:.1T1
317d~
2211:.m 29dS
2211:.m 29ds
271i:.m 22ds
2711:.1T1 22ds
3711:.m 251dS
371i:.m 251ds
7411:,m
60dS
1981MAR191613
PQ, 451<M E FROM Gl.EN ALMOND
GAC eP~D 16 13 20.0
4311:.m 251d.C!t
GAC
TRQ
TRQ
OTT
'OTT
MSNY
MSNY
eS~
eP~
eS~
erg
eSg
eP~
eS~
WBO eP~D
weD eS~
MIQ eS~
FHO eS~
MNT eS~
GRQ eP~
GRQ eS~
Continued
16 13
16 13
16 13
16 13
16 13
16 13
16 13
16 13
16 13
16 13
16 13
16 13
16 13
16 13
25.25
21.5
28.0
25.1
33.7
28.4
39.1
27.85
39.6
40.2
42.2
43.1
30.5
44.0
4311:.m
541<.m
5411:.",
7611:.m
7611:.",
9311:.m
931<.m
96km
9611:.",
9811:",
1 0 711:.
m
11111:.m
1111<.m
j.1111:.m
251d.C!t
36ds
36ds
231ds
231ds
175ds
175ds
195dS
195dS
308ds
247d~
109ds
322d.C!t
322ds
PERIOD
6 OF 7
MAGNITUDE
TABLE 3 (Continued)
ARRIVAL
STA PHASE
---
DANYeP*
DANYeS*
PNY eP*
F'NY
eS*
AF'H
ePrl
16
16
16
16
16
1981MAR30 1502
TRO
GAC
MIG
GRG
ORO
ePs
ePS
eSn
ePn
eSn
15
15
15
15
15
1981MAR31 0541
DHN eS.4;J 05
MElIYePs
05
MEDYeS.4;J 05
CANYeSs
05
WVLYeP9
05
WVLYeS9
05
SANY eP~
05
SANYeS9
05
1981HAR312105
DHN
DHN
HEDY
HEDY
WVLY
WVl.Y
SANY
eP
eS
ePS
eSS
ePS
egg
ePs
SANY eSS
PB~e
21
21
21
21
21
21
21
21
13
13
13
13
13
36.7
54.2
38.3
56.2
47.4
D18T
1491<.m
1.49\1;.m
1561<.".
1561<.1T1
'")"
4
"-."-
1,
"..m
AZ
AMP
PERIOD
143d~
143d~
135ds
135d~
170dS
PO, 90KM S FROM MONT TREMBLANT
02 57.4
1 09~.m 344dS
02 58. 0 112~."1 295ds
03 30.2
184~."1 312d~
03 10.37 1.97km 319ds
03 33.3
197~.m 319dS
NY,ATTICA
4104.63
7k.1TI
41 08.56
:5711:.1T1
41 13.1
37k.1T1
41 16.33
48!1:.ITI
41 10.66
5 011:. ITI
41 16.8
501l:.1T1
41 12.5
601l:.m
41 19.8
601l:.1T1
122ds
344dS
344dS
279dS
210dS
210dS
306ds
306ds
NY, ATTICA
05
05
05
OS
05
OS
05
OS
15. 92
17.0
21.09
25.94
23.16
29.17
24.85
32.35
71~.1T111BdS
71-:.1T111Bds
38k.m 345dS
38k.m 345dS
49k.m 210ds
491-:1T1210dS
611-:.m 306dS
611-:.m 306dS
7 OF 7
MAGNITUDE
TABLE 4
FORESHOCKS. AFTERSHOCKS. AND MICRO-EARTHQUAKES
DATE
ARRIVAL
TIME
STATION MAGNITUDE
01 ~JAN 040100.
WF'R
05
05
05
05
05
05
05
05
06
06
06
06
06
06
09
09
11
11
11
11
11
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
13
13
13
13
13
13
13
13
13
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
HDH
JAN 013413.
JAN 013431.
JAN 014304.
JAN 035613.
JAN 041811.
JAN 062304.
JAN 072208.
JAN 113127.
JAN 060417.
JAN 062643.
JAN 082736.
JAN 084941.
JAN 090234.
JAN 100609.
JAN 074628.
JAN 080804.
JAN 122610.
JAN 123835.
JAN 140733.
JAN 220443.
JAN 221428.
JAN 004943.
JAN 032029.
JAN 032031.
JAN 084934.
JAN 093337.
JAN 102544.
JAN 102742.
JAN 102827.
JAN 102857.
JAN 102941.
JAN 103730.'
JAN 103836.
JAN 111724.
JAN 112933.
JAN 123648.
JAN 235704.
JAN 003242.
JAN 012454.
JAN 020308.
JAN 034240.
JAN 035845.
JAN 043257.
JAN 050308.
JAN 050636.
JAN 050841.
:1
.::
O. 2
1. 2
O. 0
O. 2
O. 4
O. 7
O.,9
1. 0
O. :3
o. 2
O. 6
O. 4
- O. 2
- O. 7
- O. 4
- O. :3
- 1. 2
- 1. 2
- 1. 2
- o. 6
1. 1
O. :3
~ O. :3
~ O. 4
~ O. 4
~ O. 2
-, O. 6
- O. :3
.,0;:
O. 9
- 1. 2
- 1. :3
- O. :3
... 1. 1
... O. e
- O. :3
~" O. 4.
O. 6
.-O. 7
- 1. :3
- 1. 0
1. 2
~ 1. :3
- 1. 0
1. 1
- 1. 1
- 1. 6
-
~
~
LOCATION
WESTCHESTER.
HADDAM. CT
HADDAM. CT
HADDAM. CT
HADDAM. CT
HADDAM. CT
HADDAM, CT
HADDAM, CT
HADDAM, CT
HADDAM, CT
HADDAM, CT
HADDAM. CT
HADDAM, CT
HADDAM, CT
HADDAM, CT
HADDAM, CT
HADDAM, CT
HADDAM, CT
HADDAM, CT
HADDAM, CT
HADDAM, CT
HADDAM, CT
HADDAM, CT
HADDAM, CT
HADDAM, CT
HADDAM. CT
HADDAM, CT
HADDAM, CT
HADDAM, CT
HADDAM. CT
HADDAM. CT
HADDAM, CT
HADDAM, CT
HADDAM, CT
HADDAM, CT
HADDAM, CT
HADDAM, CT
HADDAM, CT
HADDAM, CT
HADDAM, CT
HADDAM, CT
HADDAM, CT
HADDAM. CT
HADDAM, CT
HADDAM, CT
HADDAM, CT
HADDAM. CT
NY
Pa~e
TABLE 4 (Continued)
051718.
064719.
071225.
072714.
.1.3 JAN
13 JAN 102105.
13 JAN 103256.
13 JAN 104609.
13 JAN 110424.
13 JAN 113838.
13 JAN 122518.
14 JAN 002904.
15 JAN 014950.
15 JAN 015957.
15 JAN 034921.
16 JAN 015210.
13 JAN
13 JAN
13 JAN
HDH
HDH
HDH
HDH
HDM
HDM
HDH
HDH
HDM
HDH
HDH
HDH
HDH
HDH
HDH
- 1. 4
- 1. 5
1. 1
- 1. ~O
- 1 ..2
- 1 ..3
- 1. .7
..
~ O. .6
- 1. .4
~ 1. ,0
- 1. .0
- o. .3
~O. ,6
- O. ,8
- o. ~6
2 0" 2
HADDAH, CT
HADtlAH,
HADDAH,
HADDAH,
HADDAH,
HADDAH,
HADDAH,
HADDAM,
HADDAH,
HADDAM,
HADDAH,
HADDAH,
HADDAH,
HADDAH,
CT
CT
CT
CT
CT
CT
CT
CT
CT
CT
CT
CT
CT
HADDAM, CT
TABLE 5
SUSPECTED AND POORLY LOCATED EARTHQUAKES
NORTHEASTERN UNITED STATES AND ADJACENT REGIONS
JANUARY- MARCH
1981
1981JAN171154
NEt, SE OF CAMPEtELLTON
66.30W
OR 0.68
CEtM i P*C
47.78N
11 54 53.2
166k.m
236d~
8"IIJ
CEtH eS*
HNHE ePn
HNME eSn
11 55
11 54
11 55
166k.m
221k.m
221k.m
236d~
216d~
216d~
*WES
11 54
25
11.9
58.9
23.6
EHM
ePn
11 55 15.3
350!l:.m
196d~
EMH
HIH
HIM
eSn
ePn
eP~
11 55
11 55
11 55
350~,"1
351k.m
351k.",
196d~
218d~
218d~
52.0
14.4
22.2
19B1FEB060256
*WES 02 56 22
CBH eP~
02
CBH eS~
02
HNHE eP*
02
HNHE eS*
02
NB, E OF LAC SaUATEC
47.69N
6B.S2W OR 0.23
56 37.6
B9k.m 160d~
56 4B. 1
B9~,m 160ds
56 50.5
1751t:.m 166ds
57 11.6
1751t:.lrl 166ds
1981FEB081323
*WES 13 23 38
NB, E OF LAKE UTOPIA
45.22N
66.71.W
OR 0.36
PQO eP~
PQO eS~
EMM eP~
EMM eS~
HNME eSn
MIM eS.
13
13
13
13
13
13
23
23
23
24
24
24
50.0
58.0
51.9
02.1
21.1
30.9
6511:.m246d~
65km 246d~
82~.m 229d~
82~.m 229dS
14411:.nl317d~
1831(.m 272ds
1.08
27.2
25.0
2.6Mrl
O.155ec
2.32Mn
2.9t1c
2.78Hc
17m!..1
O.15sec
2.78Hn
2.83Hc
9"11..1
O.15sec
2 .70Mrl
2.98Hc
O.20sec
2 60Hrl
2.94Hc
10mlJ
.
77 481.2
71.6
1.8Mn
4 ",IJ O. 20sec
1 .63Mrl
41T11..1
95
O.15sec
2.04Mn
7.~
19.9
1.7Hn
5ml.J
O.15sec
1 .86Mrl
2ml.J
2mlj
O.15sec
O.15sec
1.66Hn
1 .66Hrl
1981FEB18 0655
*WES 06 55 00
EHH ePn
06
EHH eSn
06
POO ePn
06
HIH ePrl
06
HIH eSn
06
BNH ePn
OFFSHORENB, E BROWNSBANK
42.31N
64.15W OR 0.52
60 91.7
30.6
2.6Mrl
55 55.0
382k.m 316d~ 12mlJ 0.15sec
2.82Mrl
56 34.0
382k.m 316ds
55 55.8
400k.m 319d~
56 10.1
511k.m 311dS
6ml_1 O.20sec
2.57Hn
57 01.0
5111-:.m 311ds
06 56 24.8
629k.m 296dS
51T11.J O.JOsec
2.50Mn
1.8Hc
.67Hc
2.00Mc
1.6Hc
1.67Hc
1.62Mc
3.2Mc
3.13Mc
3.18Hc
3. 27Ht:.,
3.34Hc
I
1981HAR24 0631
*WES 06 31 18
POi
eP~
06
POi
eS~
06
PGO eP~
06
PQO eS~
06
HNHE eS*
06
NB, OFF POINT l.EPREAU
45.09N
66.43W
OR 0.27
31 30.45
74km 254d~
31 39;0
74km 254d~
31 31.8
83k.m 263d~
31 42.3
83k.m 263d~
32 05.8
170k.m 315d~
99
29.5
11.0
2. OMrl 2.2Mc
2.14Mc
2.32Hc
41T11.J
O.15sec
2.03Hn
5 <ContirIIJed)
TABLE
Pa~e
19B1MAR24 0930
*WES
09 30 43
PO1. eP~
09
F'OO eS~
09
F'GO epg
09
roo
egg
09
FMM ePs
FMM
HNME
HNME
MIM
MI M
eS~
eP*
eS*
err,
eSn
NB, E OF POINT l.EPREAU
4S.12N
66.46W
OR 0.65
30 55.. 3
731~1TI 251d~
31. 03.7
73k.1T1 251d~
30 56.7
81kITI
260dg
31 07.1
8111:.1T1260ds
09 30 59. 1
921<.m 243ds
09 31 11. 2
92~.ITI 243ds
09 31 10.5
166!t;.m 315ds
09 31 30.6
1661<.1T1 315ds
09 31 16.3
204k.1TI 275ds
09 31 39.5
2 04!t;.ITI 275d~
1981.MAR31 0728
*WES 07 28 23
CBH ePrt
07
CBM eSrl
07
HNHE ePn
07
HNHE eSn
07
PQO ePn
07
F'OO eSrl
07
F'O1 ePn
07
104
192~."t
29
28
29
29
29
29
1.921-:,"1 94ds
227~,m 115,j~~
2271~."1 115d~
337~.m 132,j~
3:~7~.m 132,j~
3'52~."1 132d~
15.5
58. 3
24. 2
11. 7
47. 2
13.0
94d~
-
West,or. Observator~
~
.:..
~
.
H
r
.:..
.
,
2.4Mc
2 . 38M(~
9"11..1
o. j.5sec
2.14Mr.
6",1..1
O.15sec
2.23Hn
2.43Mc
41TtlJ
O.15sec
2.10Hn
2.45t1c
97
121T11.J
1. 9
ITI 1..1
*SOURr';E
WES
7.1
2t36Mc
PO, N OF HONTHAGNY
47.07N
70.64W
OR 0.51
28 5~. 5
19.8
2 of' 2
0" Boston Colle!!Je
28.8
19.9
2.7Hn
2.9Hc
O.1Ss~c
2.55Hn
2.77Hc
O.l~sec
2.B3Mn
2.87t1c
2.91Mc
2.e9Hc
DISTRIBUTION
No.
Recipient
30
Dr.
30
Dr.
5
Dr.
M. Nati
ToJ-;.soz, Massachusetts
T@chnolo~'d
5
Dr.
Alar. Kat'!;..a and Ellyn
Schlesinger-Miller,
LalYlorlt-Dohert,\,I
Geo!o!iical
Observatorw
5
Dr.
Shelt.on
University
,
Mr.
5
Earth
1
Corlsol idated
Ar.dy
Branch,
HIJrph~,
Nuclear
Chief,
Site
Re~ulatoJ'Y
F'al.JJ. W. F'o"lero~,
s.
Weston
Ph~sics
Coordinator
A]e>~ander,
Kel'" Woodrl.Jtt,
Observator~
New Yor~.
Librar~
File
N
Weston
Ot\servator\=',
Boston
Institute
Geolo~ical
Canada
of
NEUSSN
Penrls\:Ilvar..ia
Delaware
Branch,
Edison
Sa1-'ety ReS@dJ'ch
Colf.If.ission
ColleSe
State
Surve\:l
of