ABSTRACT
This
report
in
sei smic.'i t~
October
network
the
-
is
the
Decemt'er
statio.-.s
cumulative
the
twent~-first
northeastern
1'80.
seismicitw
for
tables
of
all
data
for
Quarter.
States.
models
the
appropriate
States
durins
the
station
tt.e
for
for
the
~uarter,
ouarters.
locations,
epicenters,
the
period
maps of
twentw-one
An Appendix
0'
bulletin
are geographic
and seismicity
are
velocit~
United
Included
included
event
Quart.rlw
describes
northeastern
the
and ot
the
United
F'ase
ACKNOWLEDGMENTS
Partial
or
at
operation
is
of
Office
the
Scier..ce
EnerS!:I
New York
S~ate
from
ot
Compan~
are
station
u.s.
border
Eners~,
In
to
data
some of
ot
t.he Dept..
to
provided
of
the
the
bw the
of
Defense
U.S.
the
Studies;
Earthauajl,e
ProSram;
b~ the
New
t.he
and
Authoritw'
Geoph~sical
the
bw the
above
events
Earth
Research,
Research
and bw the
Surve~
Canada
near
Branch,
the
Dept
Canada
operational
Advanced
GeoloSical
in
Inc.,
Epicentral
Ph~sics
Ottawa,
Edison
Consolidated
NEUSSN when available.
and Resources,
addition
u.s.
the
Service.
and Weston
provided
Resulator!:l
Research9
Development
operated
for
to
support
Nuclear
Geoph~sics
provided
Mines
been
Geolos~
Science
stations
are
has
of
and Resources
New York
routin.l~
and
Office
Foundation,
State
Safet~
the
Network(NEUSSN)
providing
u.s.
the
for
asencies
Seismic
Agencies
Reactor
Surve~,
Data
of
of
various
U.S.
Northeastern
NEUSSN include
Geolostical
National
from
ac~,nowledSed.
Commission,
Yor"-
support
the
Sratefull~
melnbe rs
full
Office
support,
Pro..iects
of
eGuipment
Asenc!:I
Environmental
Pa~e 3
INTRODUCTION
Station
Guarter
are
formats
and
operations
summarized
the
0'
in
three
fi~ures
and five
are
described
a ~eo~raphic
map of
t.ables
tor
results
seismicit!:l
tables
section
the
in
(the
EXPLANATION OF TABLES).
Fi~ure
were
3
the
is
1
operational
maps
are
durin.
of
cumulative
reportin.
seismicit~
period
those
which
the
NEUSSN stations
tor
from
reporting
2 and
end
in
respectivel~,
felt
were
that
period
1975,
October
earthQuakes
Figures
period;
the
which
are
shown
b~ red
s~mbols
Table
Table
2
reportins
1 is
is
a
in Table 2'
5 lists
beinsJ
number
ot
4
3
that
earthGuakes
to
of
epicenters
and periods
for
during
the
times,
the
reporting
not
be de'finitel~
that
did
not
an acceptable
the
events
aft.ershocksf
could
obtain
durin~
arrival
foreshocks,
or
stations;
operating
station
list.s
lists
occurrinS
events
arrivals
list
amplitudes,
Table
mi c roe a rthQua~,e$
as
Table
azimuths,
distances,
Table
chronolo.ical
period;
0"
list
location
a
produce
period;
identified
a sufficient
solution.
Pacse 4
SEISMICITY
During
the
period
14 earthouakes
United
States
earthQuakes
were
detected
including
are
were within
3
and Table
5 lists
included
from
1.0 to 3.7.
less
than
- December
and
in
ot
the
in
the
In
u.s.
a
the
total
of'
northeastern
11
addition,
had epicenters
aftershoc~,s,
10 suspect.ed
of
located
.1980,
Mar!:lland.
which
toreshpcks,
The m~gnitudes
in
Canada
border.
but
Table
4
and microearthQuakes,
earthauakes
25 earthoua"..es
The magnitudes
ot
in
Table
the events
in
found
the
2
ranSe
Table
-4 are
1
Some
.rrors
were
seismicit~
c~mculati"e
Fi~ure
1
100 kilometers
inC:'ludes
t.hrouSh
Oc.tober
19.
3 is
These errors
the
correct
recentlw
(FiSure
])
published
in
in
bulletins
have been removed and t.he
cumulative
$ei$micit~
map
map.
present.
of'
15
Page 5
EXPLANATION OF TABLES
Table
1:
1.
List
of
Operatins
Station
Seismic
Stations.
code.
2. Statio,-,
1ati tude,
degrees north.
3.
Station
lonsitude,
desrees
4.
Station
elevation,
meters.
5.
Geosraphic
west.
location.
6. Networ~. operato r .
Table
2:
Epicenter
List.
1.
Event date,
felt
data.
origir'l
time(UTC),
geographic
2.
Epicenter
determined
b",:
WES-Weston
Observator",
LDO-Lamont-Dohert!:t'
Geological
Observator!:t'
EPB-Earth
f'h!:t'sics
Branch,
Ottawa,
Canada
CON-Consol
idated
Edison
Co.
of New Yor~,
MIT-Massachusetts
Institute
of Technolos!:t'
3.
Ori~in
4.
Event
latitude,
5.
Event
lonsitude,
6.
Event depth,
"..ilometers.
0 km or 18 "..m(Canada) are
name,
time(UTC).
degrees.
desrees.
Depths of
restrained
7. RHS error(s.c)
ot
8.
95~ confidence
and lensths(~,m)
ellipse
data:
of semi-maJor
9.
Event magnitude:
Hn-NuttIi
19 magnitude
Hc-Coda
HI-Richter
1.~s~-souares
duration
magnitude(WES)
19 magnitude
(lDO,
0 km(U.S.)
values.
loca~ion.
semi-maJor
and -minor
EPB).
azimuth,
a>~es.
Pase 6
Table
3: Event
1.
Event
felt
2.
data
date,
orisin
ti.e(U]C),
Seosraphic
name,
and
data.
Station
3.
list.
code.
Emersent(e)
phase
or
t~pe
(p,
Ps,
impulsive(i);
P*,
Pn,
S', Ss,
If impulsive,
direction
included:
compression{C)
4.
Station
5.
Epicentral
6.
Station
arrival
of
S*,
Sn)
.
first
motion
or dilatation(D).
is
also
time(UTC).
distance,
azimuth.
km.
des.
7. f'ea~.-to-pea~, ground motion,
in millimicrons,
of
ma>timum er)velope ampl itude of vertic-'al-component
signal,
corrected
for s~stem response.
8.
Period,
amplitude
in
9.
Hn and HI
sec.', of the
was measured.
as calculated
signal
from
from
which
amplitude,
the
the
period
and distance.
10.
Table
4: Foreshocks,
1.
Table
Hc=2. 23Los (D) to .12LoS(~,) -2.36,
where D is the
coda duration,
in sec, and ~, is the epicentral
distance,
in ~,m.
5:
Event date,
origin
station,
magnitude,
Suspected
ar..d Microearthauakes.
Aftershocl-,s,
time(UTC),
nearest
recordinS
anq Seographic
region.
and Poorlw-Located
The ~ormat
~or this
Tables
2 and 3.
table
is
Earthoua~,es
a combination
o~ those
~or
Page
APPENDIX
VELOCITY MODELS USED FOR EPICENTER LOCATIONS
IN THE NORTHEASTERNUNITED STATES
VEL
REGION
To
DEPTH
km/sec
sec
---
",m
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
Sou~heas~ern
NY and
nor~hern
New Jerse~(LDO)
5.98
6.62
8.1
0.0
1.0
6.5
0.0
7.0
35.0
New Ensland(WES)
5.3~
6.06
6.39
8.10
0.0
0.16
1.78
6.72
0.0
0.88
13.09
34.60
Northern
New York
Adirondacks(LDO)
Attica,
Blue
and
New York<.LDO)
Htn.
Lake,
New Yor~,(LDO)
~
0
CD
V
.
0
(0
V
0
t-V
.
v
It)
q-
.N
~
v
v
.0
-
0
V
V
.m
0
cn
tt)
It)
V
0
V
<.0
0
lD
CD
~
\
0
~
""
~
.
.
.i
.,-
CD
CD
~
,
. "'i: .
,1'...J'\
,'(~-;
'..
0
0
to-
. .-
.
~.
i~
.
."'---
.
0
(\I
,
.1
l;.
0
V
t-
.
'\
.-J.-
0
(0
t-
(
,-
~.
.~\
.
.
,
\
\
\
\
.
\
\
.
,~
,
\
.l
0
CX)
t-
,"---
I.- --"
,-
.-
,/
,~.+
I~
1
r-V ..- ~FIGURE
Seismic
Stations
October
operatinS
- Dece.ber
1980
~
.
(
.".
0
,
during
._~[1
.he period
-.
I,
.
.
~
0
CX)
V
0
0
0
It)
V
0
to
V
tV
V
V
--.
0
rt)
V
0
0
~
v
0
0')
~
0
V
q-
0
a>
~
~~ 6
~
~
0
-?"\~
.
0
~
~
v.
~
.
0
0
. I.
. .r
II
..
,
C\J
f'-
0
q
,
0
w
r--
~
-
)'.
.
-.J
.' I
".
4-'
=
QJ 4-'
Q :> ~
~~QJ
~~~
HCO4-'
\\
8)
-f
,J"
=~
..04 QJ
f/1fz.
..
,
0
to-
i
...
0
--- ,---',-
,"
""
.
,
~
0
V1"
FIGURE2.
EarthQuake
Epicenters
October
"\;1
-,.;;---
during
- Dece.ber
the
period
,
0
0
r---
m
v
0
to
V
v
0
It')
V
0
V
V
0
~
V
0
0
0
N
V
0
(7)
~
0
V
'ft
0
a>
~
~ ~~
.
0
V
(D
~
\
~
0 I
CD
CD
~
0
CD
CD
~
0
0
~
r--
0
C\J
r-..
t-.
0
~
V
roo-
~r
~
0
~
aJ
,
0
.""
,
I~
0
a>
-n
~~.
FIGURE 3.
E.rt.hCJuake
October
Epicent.ers
durin..
197~ - December
1980
t.he
period
~
c
TABLE 1
LIST OF OPERATING SEISMIC STATIONS BY STATE
OCTOBER- DECEMBER
STA
ID
1980
LATITUDE LONGITUDE ELEVATION
desrees
desrees
meters
OPERATOR
CANADIAN STATIONS USED FOR LOCATIONS IN THIS BULLETIN
CHQ
DLA
EFO
ELF
FHO
GAC
GNT
LMQ
LND
LPG
MIG
MNQ
MNT
OTT
GCG
SEtG
46.8900N
42.8583N
43.0917N
43.1933N
45.4550N
45.7033N
46.3630N
47.5484N
43.0400N
47.3408N
46.3667N
SO.5300N
45.5025N
45.3939N
46.7800N
45.3783N
71.3000W
81.5733W
79.3117W
81.3150W
76.2170W
75.4783W
72.3720W
70.3267W
81.1833W
70.0094W
75.9667W
68.7700W
73.6231W
75.71S8W
71.2800W
71.9264W
145
227
168
320
72
.62
10
419
246
126
199
564
112
77
91
256
CHARLESBOURGE,PG
DELAWARE,ON
EFFINGHAM,ON
ELGINFIELD,ON
FITZROY HARBOUR,ON
GLEN ALMOND,PG
GENTILLY,PG
LA MALBAIE,PG
LONDON,ON
LA POCATIERE,PG
MANAWAKI,PG
MANICOUGAN,PG
MONTREAL,PG
OTTAWA,PG
GUEBEC CITY,PG
SHERBROOK,PG
Ep 8
Ep 8
Ep 8
Ep 8
Ep 8
Ep 8
Ep 8
Ep 8
Ep 8
Ep 8
Ep 8
Ep 8
Ep B
Ep B
Ep B
Ep B
73.3839W
73.4113W
72.5232W
72.4667W
72.4337W
72.4715W
72.5121W
72.4950W
71.8516W
72.2505W
69
3 -42
2 -4
1 13
61
15 2
10 6
10 1
1 10
1 -49
BROOKFIELD,CT
ELLSWORTH,CT
HADDAM,CT
MOODUS(COMSTOCKBRIDGE)
MOODUS(PICKEREL LAKE)
MOODUS(CAVE HILL),CT
MOODUS(HADDAM NECK),CT
MOODUS(SHAILERVILLE),CT
NORTH STONINGTON,CT
STORRS,CT
WES
WES
WES
WES
WES
WES
WES
WES
WES
WES
75.6767W
75.4144W
75.7082W
18
15
46
BLACKBIRD,DE
GEORGETOWN,DE
NEWARK,DE
DOS
DOS
DOS
CONNECTICUT
DCT
ECT
HDM
MD1
MD2
MD3
MD4
MD5
NSC
UCT
41.4933N
41.8346N
41.4857N
41.5529N
41.5314N
41.5066N
41.5023N
41.4551N
41.4807N
41.8317N
DELAWARE
BBD
GTD
NED
39.3461N
38.7414N
39.7042N
PAGE 2 OF 4
TABLE 1 Continued
MAINE
AGM
BPM
CBH
D1A
D2A
D3A
D4A
D5A
D6A
EHH
HKH
47.0817N
44.6317N
46.932SN
47.0S86N
47.1304N
47.0876N
47.1881N
47.0113N
47.0890N
44.7392N
44.6S64N
HNHE 46.1S99N
45.655SN
JKH
HIM
45.2436N
PQO 44.9863N
PQ1
44.9035N
44.2597N
TRH
69.0233W
68.7893W
68.120BW
69.0989W
69.1524W
69.16B7W
69.2767W
69.2650W
69.4957W
67.4B94W
69.6408W
67.9867W
70.2426W
69.0403W
67.4674W
67.3271W
70.2551W
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
70.1350W
-85
70.7678W
27
71.1215W
52
70.7272W
15
71.5583W
180
73.2724W
345
70.0260W -100
72.3738W
201
71.322,1W
60
71.4906W
87
CAPE COD,MA
DUXBURY,MA
FALL RIVER,MA
GLOUCESTER,MA
HARVARD,MA
LENOX,MA
NANTUCKET,MA
QUABBIN ,MA
WESTON,MA
WESTFORD,MA
HIT
HIT
WES
HIT
HIT
WES
HIT
WES
WES
HIT
472
24
180
280
659
220
BERLIN,NH
DURHAM,NH
HANOVER,NH
OAKHILL,NH
PITCHER MTN,NH
WHITEFACE,NH
WES
HIT
WES
HIT
HIT
HIT
GARRET MOUNTAIN,NJ
GREEN POND,NJ
LONG VALLEY,NJ
LDO
LDO
LDO
LDO
LDO
LDO
LDO
MASSACHUSETTS
COD
DUX
FLR
GLO
HRV
LNX
NMA
QUA
WES
WFM
41.6856N
42.0686N
41.7167N
42.6403N
42.5064N
42.3389N
41.2950N
42.4566N
42.3847N
42.6106N
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
NEW JERSEY
GMTN
GPD
LVNJ
OGD
PQN
PRIN
RAMA
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
OGDENSIcURG,NJ
PAHAQUARRY,NJ
PRINCETON,NJ
RAMAPO,NJ
PAGE 3 OF -4
TABLE 1 Continued
NEW YORK
ALX
AMNH
AF'H
BGR
BrNG
BLM
CANY
CHR
CLIN
CLY
CRaG
CTR
DANY
DBM
DHN
DNY
DPL
EGN
GOB
GSC
IPS
LDNY
MASH
MEDY
MSNY
OCN
OSB
PAL
PNY
PTN
SANY
SNP
SPS
SRM
STL
TBR
UWL
WGL
WND
WNY
WPNY
WPR
WVLY
44.3225N
40.7BOBN
43.8413N
44.8288N
42.0757N
41.3297N
42.9255N
41.2080N
41.8750N
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
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
42.3375N
44.3910N
41.8030N
41.2546N
42.4708N
75.9280W
73.9738W
74.4970W
74.3742W
75.9767W
73.9SS0W
78.8528W
74.2211W
73.8490W
74.4490W
75.4125W
74.4600W
73.8357W
73.9750W
78.1930W
7S.1688W
73.9108W
74.4818W
73.9219W
74.0039W
73.9483W
73.4681W
72.2933W
78.3903W
74.8620W
74.5293W
73.9239W
73.9091W
73.55S0W
74.9828W
?8.8703W
73.9711W
73.8905W
74.0139W
74.0036W
74.2222W
74.5433W
73.8994W
74.1525W
73.S595W
73.9707W
73.5856W
78.5683W
122
0
564
329
408
134
192
183
168
579
244
585
507
27
491
381
67
549
150
110
0
30
3
186
55
701
212
91
177
238
172
30
168
165
125
261
561
152
602
598
76
152
600
ALEXANDER BAY,NY
MANHATTAN,NY
AIRPORT HANGAR,NY
BANGOR,NY
BINGHAMTON,NY
BLUM,NY
CANISUS,NY
CALL HOLLOWRD,NY
CLINTON,NY
CRYSTAL LAKE,NY
CROGHAN,NY
CASTLE ROCK,NY
DANNEMORA,NY
DUNDERBURGMTN,NY
DERSAM,NY
DELLI PAOLI,NY
EAGLES NEST,NY
GOBBELET,NY
GIRL SCOUT CAMP,NY
INDIAN POINT STATION,NY
LLOYDS NECK,NY
MASHOMACK,NY
MEDINA,NY
MASSENA,NY
OVER CASTLE ROCK,NY
OSBORN,NY
PALISADES, NY
PLATTSBURG,NY
POTSDAM,NY
SANBORN,NY
STONEY PT,NY
ST PETERS SCHOOL,NY
SCHERMAN,
NY
STILES,NY
TABLE ROCK,NY
UTOWANALAKE,NY
WEGEL,NY
WINDHAM,NY
WILMINGTON,NY
WESTPARK,NY
WARDPOUNDRIDGE,NY
WEST VALLEY,NY
LDO
LDO
LDO
LDO
LDO
CON*
LDO
CON*
LDO
LDO
LDO
LDO
LDO
CON*
LDO
LDO
CON*
LDO
CON*
CON*
CON*
SBU*
SBU*
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
JS2
BEAVER,PA
ERIE,PA
HILLERSVILLE,PA
ABINGTON,PA
STATE COLLEGE,PA
PSU
PSU
HSC
PSU
PSU
DOYLE
HILL.,
NY
PENNSYLVANIA
ElVR
ERI
HVl
PHI
SCP
40.7000N
42.1333N
39.9992N
40.1166N
40.7950N
TABLE
PAGE
1 Cont.inued
04 OF
04
VERMONT
BVT
COV
DVT
FlET
HBVT
IVT
HARL
HDV
HGVT
HPVT
43.34SSN
44.S777N
44.9620N
44.722SN
44.3623N
43.S221N
42.S3S3N
43.9991N
44.9136N
44.27S3N
72.5853W
73.1458W
72.1709W
72.9517W
73.0650W
73.0533W
72.800eW
73.1811W
72.6278W
72.6067W
WES
BALTIHORE,VT
COLCHE;STER,VT
DERBY,VT
FLETCHER,VT
HINESBURG,VT
IRA,VT
HARLBORO,VT
HIDDLEBURY,VT
HONTGOHERY,VT
HONTPELIER,VT
300
85
370
366
344
295
580
134
262
240
LItO
WES
LItO
LItO
WES
LItO
LDO
LDO
LDO
* STATION CODES NOT ALL CLEARED THROUGHNEIC
OPERATORCODE
CON -
CONSOLIDATEDEDISON, INDIAN POINT,NY
Mar~. Houldaw
(201)
DGS - DELAWAREGEOLOGICAL SURVEY
Kenneth
Woodruff
EPB - EARTH PHYSICS BRANCH,DEPT.OF
Dr. Robert
Wetmiller
LDO -
LAMONT-DOHERTY
GEOLOGICAL
Ellwn
Schlesinger-Miller
471-2000
(302)
738-2833
ENERGY,MINES,AND RESOURCES,CANADA
(613)
995-5548
OBSERVATORY
MIT - MASSACHUSETTS INSTITUTE OF TECHNOLOGY
Ja~ Pulli
MSC - MILLERSVILLE
STATE COLLEGE
Dr. Charles
K. Scharnberger
PSU - PENNSYLVANIA STATE UNIVERSITY
Dr. Shelton
Ale>(ander
SBU - STATE UNIVERSITY OF NEW YORK AT STONY
Dr. Robert
Liebermann
Dr. Donald. Weidner
WES - WESTON OBSERVATORY OF BOSTON COLLEGE
Dr. John E. Ebel
Vladimir
Vudler
OF COLUMBIA UNIVERSITY
(914)
359-2900
>(374
(617)
253-5415
(717)
872-3295
(814)
865-2622
BROOK
(516) 246-6090
(516)
246-8387
(617)
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'04 u.. I .t:
...
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00
r,j
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.
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mMM
In
~
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~ -q--q--q- -J.
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-:- In L'3 L'3
0
m"t'
.-40
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r~ooo
M-:--:--:-
NMMM
r~ r~
Q
...m
.-4.-4
(J
LU
-
(.)
UJ
r,j
Q
00
m~
o--J
.-4*
n..o..o
N9"t9"t
U
L&J
~
ocno
mL&J~
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9"t**
***
00%(0
mQObJ
o-..J(.)3
~
TABLE 3
EARTHQUAKEDATA LIST
NORTHEASTERNUNITED STATES AND ADJACENT REGIONS
OCTOBER- DECEMBER
1980
ARRIVAL
STA PHASE
--19800CT020013
DbA ePs
AGH
CBH
CBH
HIM
DIST
AZ
'PQ, N OF ST. DENIS
67J.-,m 153dS
00 13 17.4
90J.-,m 133ds
00 13 28.0
155J.-,m 119ds
00 13 47.5
155J.-,m 119ds
274km 166ds
AHF'
PERIOD
MAGNITUDE
2.28Mc
2.33Mc
00 13 14.0
ePs
eP*
eSrl
e**
5mu
O.lsec
2.19Hn
5mu
O.2sec
2.33Mn
ON, 60KM SE FROM FANSHAWE FELT
59 05. 5
52~,m 250ds
59 11.7
52km 250ds
59 06. 8
60~,m 270ds
59 14. 0
60~,m 270ds
59 13.3
104~,m 96ds
59 18.7
139~,m 91ds
59 24. 7 178~..m 90d~
59 28.0
199~,m 101ds
59 56. 3 429~,m
53ds
00 05.6
508km
45d~
00 56.7
508km
45ds
01
01
20.0
612~,m
84ds
34mu O.4sec
01 01 28.1
650km
86ds
55mu
O.3sec
3.28Mn
3.S3Mn
19800CT14 0058
lND ePS
00
LND eSS
00
ELF ePS
00
ELF eSS
00
EFO ePS
00
SANY eP*
00
MEDY ePn
00
DHN ePn
00
FHO ePn
00
MIa ePn
01
MIa eSn
01
IVT
BVT
eSn
e**
-
19800CT14 0819
EON eP
08
CTR eP
08
CTR eS
08
CLY eP
08
CLY eS
08
APH eP
08
APH eS
08
19800CT151702
DPL
DPL
eP
eS
IPS
eP
IPS
eS
SPS eP
SPS eS
DBH ePs
DBH eSs
GOB eF's
GSC ePs
GSC eSs
SRH ePs
STL eF's
Continued
NY, BLUE MOUNTAIN LAKE
19 35.8
1~,m 229d~
19 35.8
l~.m
47d~
19 36.1
l~,m
47d~
19 36. 1
3~,m 130d~
19 36.4
3km 130d~
19 36.2
3~,m 216d~
19 36. 7
3~,m 216d~
NY, W OF CROTONRESEVOIR
17 02 51.1
17 02 51. 8
17
17
17
17
17
17
17
17
17
17
17
02
02
02
02
02
02
02
02
02
02
02
51.7
S2.6
51.9
53. 1
52.4
S3. 6
52. S
S2. 4
53.8
S2. 6
53.0
2~,m
298ds
2~,m
298ds
6~,m
6~,m
7~,m
7~,m
10km
1 O~.m
1O~,m
1 O~,m
1O~,m
11 ~,m
12km
297dg
297dg
356ds
356ds
307ds
307ds
342ds
285ds
285ds
262ds
239ds
3.66Hc
3.67Hc
TABLE 3 (Continued)
ARRIVAL
Sf A PHASE
---
STL
DSB
WF'R
PaSe
DIST
AZ
AMP
--'
eSs
ePs
ePS
17 02 54.5
17 02 53.1
17 02 55.1
19800CT20 0320
03 20 09. 1
MNT eSs
PNY ePS
DANY ePs
MSNY ePS
DVT eP*
DVT .S*
MDV eP*
GAC iP*D
GAC eS*
SBO eP*
SeQ .S*
GNT .Pn
CRaG ePn
FHO ePn
IVT ePn
HNH ePn
HNH eSn
MIO ePn
eVT ePn
BVT eSn
LNX eSn
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
21
21
14.6
08. 7
09.0
15. 0
23. 4
39.0
23.1
24. 2
41.0
26.7
44.0
29. 4
30. 5
31. 7
31.4
33.4
57. 9
3S.3
36.2
01.S
22.0
BPM e**
19800CT20 0322
25km
8
MAGNITUDE
239ds
346dS
87ds
PQ, 45KM SW FROM HONTREAL
MNT . iPsD
HKH e**
12km
14"..m
PERIOD
2 of
42~,m
25ds
42k.
43~,m
45~,m
S2~,m
134~,m
134k.
140~,.
141~,m
141k.
153kM
153km
177~,m
1S7~,m
1S9~,m
193km
204~,m
204~,m
213km
225km
225k.
317~,.
2Sds
147ds
179ds
25Sds
99dS
99d~
157ds
296ds
296ds
SOds
SOds
40ds
222dS
2S1dg
161ds
142ds
142ds
310ds
153dg
153dg
171dS
HEARD
2.-41ttc
26mu
O.2sec
2.76Hn
2.61Hc
1SMU O.2sec
12mu O.2sec
2.74Mn
2.58Mn
2.SSHc
2.61Hc
2.63Hc
337~,m
9Sds
15mu
404~,m
97ds
emu
PNY .P~
03 22 28.0
PNY .Ss
DANYePS
DANY eS~
MSNY eSS
MDV eS*
APH .S*
03
03
03
03
03
03
PQ, HOWICK
(AFTERSHOCK)
41~,m 144ds
22 33.0
41km 144d..
22 28.3
42km 177dd
22 33. 7
42~,m 177ds
22 44. 1
80~,m 260d..
22 59. 4 137~,m 157ds
23 03.9
152km 200ds
19BOOCT20 0403
PNY .P~
04
PNY .Ss
04
DANY .Ps
04
DANY eS~
04
HSNY .Ss
04
HDV .S*
04
APH .S*
04
pa, HOWICK (AFTERSHOCK)
03 24.1
41~,m 144ds
03 29.1
41k.
144d.
03 24. 4
42~,m 177ds
03 29. 7
42~,m 177ds
03 40.1
80~,m 260d~
03 55.5
137km 157d~
04 00. 1 1S2~,m 200d.-
0.25."
0.258"
2.67Hn
2.53Hn
Page
TABLE J (Continued)
ARRIVAL
STA PHASE
---
19800CT241727
HDH iPsC
HD5 ePS
HD4 ePS
HD3 eF's
MASH i PsD
WPR .iPsD
LDNY i psD
LDNY aSS
ECT iPsD
SPS iPsD
WGL iPsD
DPL i PsD
NSC iPSC
GOB iPsD
OSB iF'sD
IPS
iPsD
DBH i PsD
SNP i PsD
PAL
17 27
iPsD
STL
CLIN
iP~D
iPsD
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
44.1
44.2
44. 4
44. 9
48.4
48.7
49. 4
57. 0
50.6
52.5
52.6
52.7
52.2
52.9
53.0
53.2
53. 6
53. 5
35~,m
35km
36~,m
40~,m
58ft,m
60km
66~,m
66~,m
73~,m
85km
86km
87ft,m
87~,m
88k.m
88~,m
90~,m
92~,m
92~,m
58ds
64ds
56dS
58ds
122ds
263ds
230ds
230ds
322ds
269ds
273ds
266ds
78ds
271ds
273ds
267ds
269ds
265ds
54.0
94ft,m
248ds
95~,m
96km
102km
267ds
262ds
308ds
106~,m
301ds
115km
115~,m
245~,m
409km
455~,m
261ds
258ds
357ds
8ds
34ds
17 27 54.0
17 27 54.3
17 27 55.1
WPNYiPsD
17
TBR
RAHA
IVT
DVT
HKM
17 27 57.1
17 27 57.0
ePS
iP~D
e**
e**
e**
19BOOCT25 0041
HDM iPsC 00
MD5 ePs
00
MD4 ePs
00
MD3 epg
00
MASH iPgD 00
L DNY i PgD 00
LDNY eSg
00
ECT epg
00
UCT iPgC 00
DPL epg
00
GOB epg
00
OSB epg
00
NSC iPSC 00
DBM epg
00
CLIN eF'g
00
RAMA epg
00
LNX epg
00
FLR eP*
00
MARL eP*
00
PQN ePn
00
IVT ePn
00
Continued
AZ
CT, NE OF NEWHAVEN
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
GSC iPsC
DIST
27
55.8
AMP
PERIOD
3 of
8
MAGNITUDE
FELT
3.10Hc
26mu
12mu
Ilmu
O.2sec
O.2sec
O.2sec
2.88Hn
2.72Hn
2.80Hn
CT, NE OF NEW HAVEN AFTERSHOCK FELT
41 34.2
35km
60ds
41 34. 4
35~,m 67ds
41 34.5
36km
5Bds
41 35.6
39km
60dg
41 3B.5
59~,m 123dS
41 39. 7
66~,m 22Bdg
41 47.1
66~,m 22Bds
41 40.7
71~,m 322ds
2.92Hn
82mu O.2sec
41 40.9
77~,m 43dg
41 42. 9
B7~,m 265dg
41 43.1
87km 270ds
41 43.1
B7km 272ds
41' 42.6
BBkm
79ds
41 43.B
92km 26Bds
41 45.3
101~,m 307dg
41 47.1
115~,m 257ds
41 47.6
117~,m 344ds
41 53.0
153km
73ds
4155.3
16Bkm
2ds
41 5B.1
189~,m 260ds
42 05.6
244~,m 357ds
2.80Mc
2.91t1c
TABLE 3 (Continued)
STA
---
PHASE
ARRIVAL
HDV
APH
DVT
HKM
ePn
ePn
00 42 11.2
00 42 12.7
e**
fl'**
Page
DIBT
297km
309J.:.m
40BJ.:.m
454~:.1TI
AZ
355ds
335ds
8ds
35ds
AMP
8mu
9mlJ
PERIOD
O.2sec
O.2sec
-4 of
8
MAGNITUDE
2.53Hn
2.67Hn
1980NOV050618
PQ, HUDSON
£tOR epg
06 18 29.4
55"..m 1 8 8 d s
BGR egg
06 18 37.6
55~..m 1 9 8 d s
MNT epg
06 18 31.0
55~..m
6 8 ds
MSNYePs
06 18 29.3
58km
2 3 2 ds
MSNY eSg
06 18 37. 3
58~..m 2 3 2,d s
DANYeSg
06 18 41.7
72km
1S 1 d s
PNY .Ps
06 18 31.7
79km
13 3 d s
PNY .Sg
06 18 42.5
79km
1 3 3,d 9
F'TN eS~
06 18 49.2
100~..m :21 4 d .
1980NOV05 2240
WNH ePS
22
ONH ePs
22
DNH ePS
22
HNH iPsC 22
PNH ePs
22
BVT ePS
22
WFM ePS
22
WFM eSS
22
OLO eP*
22
HRV eP*
22
HRV eS*
22
IVT iP*C
22
WES iP*D
22
WES eS*
22
MARL eP*
22
MDV eF'*
22
QUA iP*D
22
QUA eS*
22
DVT e**
DUX ePn
22
DUX eSn
22
LNX i PnIt 22
LNX eSn
22
U(:T ePn
22
UCT eSn
22
HIM ePn
22
MIM eSn
22
EMM e**
PQO e**
PQ1 ePn
22
NH, NORTHERNLAKE WINNIPESAUKEE
40 05.2
23km 352dS
40 09.0
44km 195ds
40 13.5
71km 148ds
40 13.8.
75~,m 274ds
40 16.4
89km 225ds
40 18.4
105~,m 251ds
40 21. ~ 118~,m 185ds
40 34.7
118~,m 185ds
40 22.3
125~,m 155ds
40 23.3
130~,m 187ds
40 37.9
130km 187ds
40 23.4
138~,m 264ds
20mu 0.1sec
40 25.1
142km 179ds
23mu 0.2sec
40 41.7
142~,m 179ds
40 25.9
149km 232ds
40 26.0
151km 285ds
40 27.4
158km 212dS
40 45.2
158~,m 212ds
158~.m 336d~
18mu 0.1sec
40 30. 7 184~,m 165d~
40 51.5
184km 165ds
40 34. 7 214~,m 227dS
40 59. 3 214~,m 227ds
40 35.1
216~,m 200ds
41 00.0
216~,m 200ds
40 40.1
255km
46ds
41 07.1
255~,m 46ds
332~,m
68ds
10mu 0.2sec
344~,m
63ds
6mu O. 2sec
40 50. 9 350~,m 65ds
2.63Hc
2.61Hc
2.75Mn
2.74Mn
2.66Hc
2.71Hc
2.75Hn
2.66Hc
2.71Hc
2.66Mn
2.52Mn
2.73Hc
TABLE 3 (Continued)
F'a~e
ARRIVAL
STA PHASE
---
DIST
AZ
AMP
PERIOD
5 oct
8
MAGNITUDE
1980NOV091650
N FROM
FITZROY HARBOUR
FHO ePS
16 50ON,
25.30KM
2
29~,m
196ds
.
FHO eSS
OTT eF'g
OTT egg
GAC sF's
GAC '.Ss
MIa
ePs
MIa
eSS
16
16
16
16
16
16
16
50
50
50
50
50
~O
50
29. 0
2B.3
34. 0
28.8
34.8
33.1
41. 9
29~,m
46km
46~,m
49~,m
49~,m
75~,m
75~,m
196ds
13Bdg
13Bdg
90ds
90ds
9ds
9ds
1980NOV141153
LMQ ePS
11
LMQ eSS
11
LPQ ePS
11
LPQ eSs
11
GNT ePn
11
GNT eSn
11
PQ, 5KM
53 42.5
53 43.5
53 46.3
53 50.0
54 11.0
54 38.0
1980NOV151723
FLR ePS
17
UCT ePs
17
WES ePs
17
MD3 eP*
17
MD3 eS*
17
HD1 eF'*
17
MD5 eP*
17
HDM eP*
17
MA, W OF CUTTYHUNKISLAND
23 09.7
40y,m 347ds
23 22.0
115y,m 297ds
23 22.2
116y,m 347ds
2mu
23 23.4
123km 278ds
23 38.5
1231t;.m 278ds
23 23. S 123y,m 280ds
23 23.7
125y,m 275ds
23 24.0
127y,m 276ds
2mu
1980NOV151758
ECT ePn
17
ECT eSn
18
HDH ePn
17
HDH eSn
18
HD4 ePn
17
HD4 eSn
18
HD3 ePn
17
MD3 eSn
18
UCT e**
18
HD, CHESAPEAKEBAY
59 16.0
477km
25ds
00 04.5
477km
25ds
59 17. 2 483~,m
35ds
00 05. 7 483~,m
35ds
59 17. 3 485~,m
35ds
00 06. 1 4B5~,m 35ds
59 17. 6 4BB~.m 35ds
00 06.3
488km
35ds
00 10. 6 528~,m
35ds
1980NOV21 0409
JKM epg
BNH i PgD
BNH eSS
SBQ ePs
SBG egg
DVT ePS
DVT eSs
TRM iP*D
TRM eS*
MIM eP*
GNT eS*
CHQ epg
Continued
O.2sec
O.2sec
1.66Mn
1.S2Hn
1.51Hc
1.56Hc
1.54Hc
O.99Hc
1.55Hc
1.62Hc
2.88Hc
5mu
O.4sec
2.18Mn
2.89Hc
2.86Hc
2.83Hc
34mu
O.3sec
3.11Hn
19mu
O.2sec
2.50Mn
ME, NE OF RUMP MT
04 09 38.1
04
04
04
04
04
04
04
04
04
04
04
E FROM LA MALBAIE
171-,m 210ds
171-,m 210dS
411-,m 158ds
411-,m lS8ds
220l-,m 229ds
220l-,m 229ds
09
09
09
09
09
09
09
10
09
10
09
39. 2
48.1
38.7
48.3
42.7
54.1
46.3
01.6
50.6
13.0
56.0
72~,m
51ds
77~,m
77km
77~,m
77~.m
101~,m
101~,m
123km
123~,m
151~,m
166~,m
185km
198dg
198ds
281d.c
281dg
252ds
252ds
153ds
153ds
90dg
319d~
352ds
2.72Mc
Pa~e
TABLE 3 (Continued)
STA PHASE
---
HNH e**
PNY ePn
HNME eF'n
IVT
F'GO
PGO
PQ1
e**
ePn
eSn
ePn
ARRIVAL
DIST
04 09 59.5
04 09 59.0
04 10 04.1
201i".m
210i"..m
253i"..m
254km
276i"..m
276i"..m
289i"..m
04 10 06~6
04 10 36.0
04 10 07.9
1980NOV222128
HE, SW OF HILO
HIM ePs
21 28 24.7.
10km
BPH ePs
21 28 35. 5
71~,m
JKM ePs
21 28 40.1
98~,m
JKH egg
21 28 51.1
98~,m
PQO eP*
2128 45.9
136km
PQO eS*
2129 01.4
136km
TRM eP*
21 28 45.5
138~,m
TRM eS*
2129 02.3
138km
HNME eF'*
21 28 46. 3 139~,m
HNME eS*
21 29 02. 9 139~,m
EHM eP*
21 28 46.6
142~,m
EHM eS*
21 29 03.4
142km
PQ1 eP*
21 28 47.9
148km
PQ1 eS*
21 29 05.6
148~,m
BNH ePn
21 28 51.9
180~,m
BNH eSn
21 29 14.0
180~,m
1980NOV23 0039
WFH iF'gD
00
HRV i PgD 00
WES iPgC
00
WES egg
00
GLO iPgD
00
DNH iPgC
00
ONH iPgD
00
PNH iPgD
00
QUA epg
00
QUA egg
00
UCT epg
00
UCT egg
00
MARL epg
00
MARL. eS~
00
BVT iP*C
00
WNH i P*D
00
HNH iP*C
00
COD eF'*
00
MD1 eP*
00
MDl
eS*
00
HDH eP*
00
HDH eS*
00
LNX eP*
00
IVT
eP*
00
ECT iPnC
00
Continued
6 of'
AMP
PERIOD
15mu
0.2.."
2.58Hn
6SdS
222ds
9mu
O.2sec
2.46Hn
95dS
95ds
96ds
10mu
O.1sec
2.74Mn
AZ
212dS
2SSdS
FELT
72ds
156ds
300ds
300ds
100ds
100dS
220ds
220ds
8
MAGNITUDE
2.80Hc
2.89Hc
2.37Hc
2.40Hc
7mu
O.lsec
2.30Mn
2.38Hc
2.4JHc
41dS
41ds
22mu
O.1sec
2.88Hn
111ds
111ds
103dS
103ds
248ds
248ds
19mu
O.lsec
2.S2Hn
7mu
O.1$ec
2.38Hn
FELT
MA, S OF l.OWELL
39 34.0
8~,m 262ds
39 35. 6
19~,m 227ds
39 36.8
27~,m 167ds
39 40.3
27km
167dS
BBds
39 41.0
55~,m
39 43.5
69~,m
36ds
353ds
39 44.7
74km
39 46. 0
80~,m 311ds
39 46.2
83km
25Bds
39 56. 1
83~,m 25Bds
39 51.2
113km
219ds
40 04. 8
113~,m 219ds
39 52. 1 11 8~,m 2B2ds
40 05.9
118",11\ 2B2ds
15mu
39 53.5
127~,m 310dS
39 ~5. 3
139~,m 360d.
39 55.7
141~,m 329dS
39 57.0
147~,11\ 135ds
39 56. 7 148~,m 217dS
40 15.0
148~,m 217dS
39 58.3
157",m 217ds
40 16.~
1~7~,m 217ds
39 57.8
158km
259ds
19mu
40 00.2
168km
307ds
40 02.7
188km
243ds
2.45Hc
2.48Mc
2.S7Hc
O.2sec
2.51Hn
2.S8Mc
2.S8Hc
2.66Hc
O.2sec
2.58Mn
2.70Mc
Page
TABLE 3 (Continued>
STA PHASE
--TRM
TRM
MIM
EMM
ePr,
eSrl
e**
{,,**
ARRIVAL
00 40 04.0
00 40 28.4
00 40 21.4
DIST
204"'204~,348
3931-..m
AZ
AMF'
27dS
27ds
32ds
52ds
7mu
9mu
1980NOV25 0713
NY, BOMBAY
~GR 'ePs
07 14 04.0
21km
MSNY epg
07 14 03.7
23~,m
PTN epg
07 14 08. 7
52~,m
PTN eSS
07 14 15.3
52km
DANYePS
07 14 11.0
63km
DANY eSS
07 14 18.2
63~,m
PNY eSS
07 14 23. 5
82~,"1
CTR eP.07 14 19. 4 119~,m
CTR egg
0714 34.3
119km
1980NOV30 1735
MNT eSS
17
GAC ePS
17
GAC eSS
17
OTT ePS
17
MIQ eP*
17
MIa eS*
17
FHO eP*
17
FHO eS*
17
FHO eSn
17
GNT eP*
17
GNT eSS
17
PQ, 80l<M NW FROM MONTREAL
36 15.1
81km 129dS
36 07.1
87km 251ds
36 17.2
87~,m 251ds
36 12.8
119~,m 238dS
36 14.4
127km
291ds
"36 27.4
127~,m 291ds
36 16.9
151km 249ds
36 34.0
151~,m 249ds
36 36.0
151~,m 249dS
36 18.8
165~,m 74ds
36 39.5
165~,m 74ds
1980DEC090505
OTT iPsD 05
OTT eSs
05
GAC iPsD 05
GAC eSs
05
FHO ePs
05
FHO eSs
05
F'TN ePs
05
PTN eSS
05
MI 0 ePs
05
MIO- eSs
05
DANY eS*
05
ON, 25KM E FROM OTTAWA
05 20.2
26ft,m 252ds
05 23.3
26ft,m 252ds
05 20.7
27km 348ds
05 23.8
27ft,m 348ds
05 25.6
64km 269ds
05 33.0
64ft,m 269ds
05 33.0
105ft,m 161ds
05 45.4
105km 161ds
05 33.0
109ft,m 337ds
05 ..,6.1
109km 337ds
05 56.6
147ft,m 122ds
1980DEC122304
NY, ANNSVILLE
SPS eP
23 04 55.6
6km
DPL ePs
23 04 55. 9
GOB
23
23
23
23
23
23
23
eF's
IPS eF's
IPS eS~
WGL ePs
WGL eSs
DBH ePs
OSB ePs
Continued
04
04
04
04
04
04
04
55.6
55.8
57.2
55.8
57.9
55. 8
55. 8
7~,m
1O~,m
10~,m
10~,m
11~,m
11~,m
12~,m
12~,m
303d~
250ds
310ds
265d~
265d~
330ds
330d~
281d~
322d~
PER1OD
O.2s.ec
O.2sec
7 of
8
MAGNITUDE
,
2.50Mn
2.58Mn
TABLE 3 (Continued)
STA PHASE
---
Gsc
GSC
9 RJiS RM
(~
.)
ARRIVAL
23
23
23
23
23
23
23
23
23
23
23
TL
5 TL
WF'f<
P Al
B CT
B CT
HDH
1980DEC141804
DANY eP~
18
DANY eSs
18
PNY eF's
1B
PNY eSs
18
BGR epg
18
BGR eSs
18
HBVT eF'~
18
CTR epg
18
AF'H epg
18
1980DEC251658
HNH iP~D
HBVT epg
Page
PERIOD
MAGNITUDE
1.57Mc
3mu
0.2.."
1.74Mn
VT, NW OF NEWBURY
egg
ePS
ePS
eSS
eP*
eS*
eP*
eS*
eF'n
eSn
ePh
WES
f,;tF'
16
59
07.2
16 59 .14.6
16 59 46.0
1980DEC30 0548
DVT ePs
05
DVT eS~
05
BNH ePs
05
TRH eS*
05
PNY eSn
05
HBVT ePn
05
HBVT eSn
05
HIH ePn
05
HIH eSn
05
HNH ePn
05
HNHE e**
AMP
s
1.57Hc
NY, LYON MOUNTAIN
04 39.0
8Y,m 48d~
04 39.5
BY,m
4Bds
04 42.7
:31k1R 64dg
04 46.5
31Y,m 64dg
04 44.2
39Y,m 289ds
04 49.1
39klR 2890g
04 51.0
77Y,m 120d~
04 54.4
103Y,m 206d~
04 55.1
10Bkm 206d~
HBVT
MDV
IVT
IVT
PNY
F'NY
MARL
MARL
QUA
QUA
CTR
HNME e**
AZ
266ds
266dS
251ds
251ds
236ds
236dS
96ds
192ds
57d~
57ds
78ds
04 56.2
04 57.7
0456.6
04 58.5
04 57.1
04 59.5
04 58.1
04 59.1
05 01.2
05 07.0
05 26.1
16 58 43.3
16 58 49.6
16 59 00.5
16 58 50.4
16 58 51.9
"16 59 04.6
16 58 58.5
16 59 15.5
16 59 00.6
16 59 19.0
16 59 05.4
16 59 25.7
16 59 06.0
MIM e**
MIM eS
EMM e**
D181
8 of
461t_m
831t,m
831t_m
8Bkm
100lt,m
100lt,m
142km
1421t,m
1511t,m
1511t,m
1 841t,m
1841t,m
1921t,m
200ds
291ds
291ds
263ds
231dS
231ds
306ds
306ds
203ds
203ds
187ds
187ds
263ds
200km
162ds
2741t,m
2741t,m
3741t,m
396km
PQ, NE OF EAST
49 08.1
83km
49 18. 0
83~,m
49 12.2
107~,m
49 43.3
173km
49 45.2
180km
49 23.4
180~,m
49 44. 2 180~,m
49 24.9
195~,m
49 47.7
195~,m
49 27.3
213~,m
282~,m
61ds
61ds
77ds
53ds
ANGUS
220ds
220d~
170ds
145d~
245ds
224ds
224d~
99d~
99ds
197ds
75ds
2.50Hc
13mu
O.1sec
2.39Mn
2.301'1c
2.50Hc
6mu
O.2sec
2.42Hn
10mu
5mu
O.2sec
O.2sec
2.64Hn
2.35Hn
13mu
O.1sec
2.-43Hn
2.84Hc
2.29Mc
2.421'tc
6mu
O.2sec
2.29Mn
6mu
5mu
0.25£1C
0.2sec
2.29Hn
2.1SHn
2.50Mc
TABL£ 4
FORESI-IOCKS,
DATE
.1, OCT
ARRIVAL
TIME
235237.
05 DEC 013658.
05 ItEC
013700.
AFTERSHOCKS, AND MICRO-EARTHQUAKES
STATION MAGNITUDE
LOCATION
HNH
<1
HANOVER, NH
WEB
<1
WESTON, MA
WEB
<1
WESTON, MAc
TABLE 5
SUSPECTEDAND POORLY LOCATED EARTHQUAKES
NORTHEASTERNUNITED STATES AND ADJACENT REGIONS
OCTOBER- DECEMBER
1980
19800CT15 1742
*WES 17 42 55
PQ1 ePS
17
F'Ql
eSs
17
PQO ePs
17
PQO eSs
17
EMM ePs
17
.
NB, F'ASSAMAQUODDYBAY
45.1N
67.0W
OR 0.05
43 00.5
31km
234ds.
43 04. 3
31~,m 234ds
43 01.5
37~,ln 256dS
43 06.1
37~,m 256ds
43 04.0
52km
226dS
19800CT151841
ME, NW OF CHERRYFIELD
*WES 18 4129
44.6N
68.0W
OR 0.06
EMl1 ePs
18 41 35. 3
39~.m 72ds
EMM eS~
18 41 40.0
PQO
F'GO
PG.t
pal
HIM
18
18
18
18
18
eF'~
eSs
ePs
eSs
e**
41
41
41
41
42
38. 0
44. 8
38.3
45.7
00.0
39~.m
VT, NEAR RUTLAND
43.3N
72.9W
OR 0.76
29 29.9
23km
75d~
29 31.8
30~,m 328d~
29 34.0
30km 328d~
19800CT221815
*WES 18 15 21
VT, SE OF LUDLOW
43.4N
72.6W
OR 0.06
ePs
eP~
egg
epg
18
18
18
18
15
15
15
15
22.2
27.3
31.7
28.3
7km
37".m
37km
44".m
4.~
1.0Mc
O.95Mc
4.0
O.99Mc
114
3.8
2.7
1.9Mn
1.9Mc
72d~
56~.m 44d~
56~.m 44ds
59~.m 58ds
59km
58ds
110~.m 309d~
19800CT21 1029
*WES 10 29 26
BVT ePs
10
IVT ePs
10
lVT
eSs
10
BVT
IVT
IVT
HNH
126
6mu
O.1sec
1.95Mn
2.20Mc
61Y1u
O.lsec
1.94Mn
2.21M"
2mu
O.lsec
1.72Hn
1.22Hc
O.7Hc
O.65Hc
O.76Hc:
40
12.4
1.2Hc
1.22Hc
1.16Hc
8.0
150ds
291ds
291ds
39ds
19800CT30 2136
*WES 2136 04
POl eS~
21
EHH eS~
21
POO eP~
21
POO eS~
21
NB, GRAND HANAN ISLAND
44.8N
66.8W
OR 0.44
36 17.9
4S~,m 292d~
36 20. 0
SS~,m 269ds
36 14.1
S9~,m 296d~
36 20.8
59km 296ds
1980NOV031711
*WES 17 11 01
EHH ePS
17
PQ1 ePS
17
PQO ePS
17
PQO eS~
17
HE, SE OF CROSS ISLAND
44.6N
67.3W
OR 0.19
11 05.4
27~,m 315ds
11 07.1
38~,m 351dS
1109.5
49km 340ds
11 15.3
49~,m 340dS
105
2mu
2mu
87
210
O.2sec
O.1sec
131
148
1.3Mn O.9Mc
O.87Mc
1.37Mn
1.31Mn
59
1.00Mc
1.2Mc
1.20Mc
TA~lE 5 (Continued)
1980NOV141502
*WES 15 02 06
WES ePS
MA, N OF NORTH ATTLEBORO
42.0N
71.3W
OR 0.51
112
15 02 12.3
FLR ePs
15 02 12.7
UCT
MD1
MDl
MD3
riD5
HDM
15
15
15
15
15
ePS
ePs
egg
eF's
ePs
e**
1980NOV271731
*LDO 17 31 57
SANYePs
17
SANY .S~
17
MEDY eP*
17
MEDY eS*
17
WVLYeP*
17
WVLYeS*
17
DHN eP*
17
DHN eS*
17
02
02
02
02
02
2 of
F'oSe
20. 5
25.1
37. 7
25. 3
2~.1
13.4
8.7
38~,m 358dS
39~,m 157dS
82~,m
l1j.~.m
111~.m
114~,m
119km
119~,m
.
254ds
241.ds
241ds
239ds
237d~
239d.
2
1.6Mn 1.4Mc
1.25Mc
1.26Mc
1.45Mc
1.55Mc
1.31Hc
1.SSHc
3mu
O.2s.ec
1 .64Mrl
ON, BURLINGTON
43.4N
79.8W 5.26
0.33
32 11.3
92~,m 113ds
32 23.1
92km 113ds
32 17.9
128~,m 105d~
32 33.3
128~,m 105d~
32 22.4
158km 136dg
32 41.2
158~,m 136d.
32 23.0
159~,m 118d.
32 41.8
159k.m 118dS
1980NOV271957
ON, BURLINGTON
*LDO 19 57 05 43.5N
79.8W 5.05
0.54
SANYePs
19 57 19.2
95km 119ds
SANY eSs
19 57 31.3
95~,m 119ds
MEDY eS*
19 57 40.7
130~,m 110ds
DHN eP*
DHN eS*
WVLYeP*
WVLY eS*
19
19
19
19
162~,m
162~,m
165km
165~,m
57
57
57
57
31.4
49.8
30.1
50. 5
121ds
121ds
139ds
139ds
1980DEC041729
ON, W OF HAMILTON
*LDO
17
29
53
43.2N
SANY ePS . 17 30 10.3 80.0W
108Y,m5.2195ds0.35
SANY eS~
MEDY eP*
MEDY eS*
WVL)'
eP*
WVLY eS*
DHN eP*
DHN eS*
17 30 21.2
17 30 16.3
17 30 31.8
108Y,m
146Y,m
146Y,m
17 30 37.1
17 30 20.0
17 30 40. 6
159Y,m 123ds
170~,m 106ds
170~,m 106ds
17 30 14.2
95ds
93ds
93ds
159~,m 123ds
*SOURCE
LI:IO
WES
- LiiJmOr)t:.-Dohert!:l Geological
-
Weston
Observator~
of
Observator!:l
Boston
College
of Columbia
Universit!:l
DISTRIBUTION
No.
Recipient
30
Dr.
30
Dr.
Paul
5
Dr.
M. Nafi
Technolos\I
5
Dr.
Alan KafJ.-,a and Ellwn 'Schlesinger-Miller,
Lamont-Dohertw
Geolosical
Observatorw
5
Dr.
Shelton
Universit~
:5
Mr.
5
Ear~h
1
Consolidated
1
Weston Observator~
1
File
N
Weston Observator~,
And~ Murph~,
Branch,
Nuclear
Chief,
Site
Resulator~
W. F'omerow,
Toksoz,
S.
Ph~sics
Coordinator
Massachusetts
Ale>,ander,
Ken Woodruff,
GeoloSical
Surve~
New York
Librarw
Boston
In5titute
State
Canad~
of
NEUSSN
Pennswlvania
Delaware
Branch.
Edison
Sa~et~ Research
Commission
College
of