. . .

.

.

-

~

.I

AB~TRACT

This report is the eighteenth ~1,J.rt,erl~ bulletin :at

sei.51TIic:i.t~ in the north..stern Unitect;i St.st,es for the p.~iod

Januar~ - H8~ch 1980. IncllJded ar~ S~og~BPhic p~ the",SPS

rletwort-:. $'tB'tions and seislTlicit~ dl..l~in~ the ~uarter, and of

the cl.JITI'.Jlative sej.smic:j.t,!:I for the eishteerl (:iI-lB rte rs .

irlcluded t-Qblesare of station loc.-.t~on~, epicenters, ar,d

all f!ver.t data for the GIJarter. An Append,i ~{ de$cribes

velocit\:l ITlodels app rap r i. ate 'for the northe-.stern Unit~ed

Stat~$.

PB~e 2

ACKNOWLEDGMENTS

for thePartial or full support from variolJs a~enci.s

operatior. of the Northeastern U.S. Seismic Networj(.(NEUSSN)

SIJPport tois ~ratefullw acknowled..d. ASencies. providin.

ITtembe rs 01' NEUSSN include the u.s. Nuclear Resulator~

Sa1etw u.sCommission. O~~ic. of Reactor Research; the

Surv&w, OfficeGeological at EarthCluak@ Studies' the

National Science Foundation. Geophwsjcs P rag rail.; the New

Yorlt:. State EnerS~ and R~sou~ces Development Authorit~; and

the New York State Science S.rvice.

Da~a from sta~ions operated b~ the Consolidated Edi$on

CorrlPar,y of' New York and Weston Geoph~sical Res~arch, Inc.,

are rol~~inelw provided ~o NEUSSN when available. E~i~.ntr.l

end station the~ata for some of the events in Canada near

u.s. border are provided bw the Earth Ph~sic~ Branch, Dept..

ot Enersy, Hines and Resour~.s, Ott.awa.

In addition to the above operationsl SI.JPport, eolJiF'merlt

has been provided b~ the Advanced Research ProJer';ts A~enl:.'~

0" the Dept. of defense and bw the Office of Environmen~a

Geolo.w of the U.S. Geological Survey

Page 3

INTRODUCTION

Statj.()r, operations and seismicj.t~:, re.ults for

GIJarter are SI..lITllTlarized in three fj.SIJr~$ arid 'five t~bles (th~

f(:lrmats ,.Q the tabJ,e$ described the 6~('.tiorlare in

EXPLANATION OF TABLES).

Fisl.Jre 1 is a .c.ieOSraphtr.- ",SP of N~USSN stations which

were ()p~T'ati()nal dlJrins th. r@portinif pw:riQd' FiSIJres

3 of seis!,.icit'=l fQr the reportin1f period andare RI<:iF'S

the cl..lm'Jlativ~ period from October 1975, Y'.s"'.otivel"" ir

which those earth~l.Ja!l:.es t,hMt .f_lt are ~hpwrl bw redwer~

sy",bols.

lo~mtion list ofTable 1 is a oP9".tin~ statiorls;

Table 2. chronolOSical li~t of epi~en+,~r~ dlJrin.is a

reportirlS period; Table '3 li$tc; station arrival t 1,IT ""'" ., 1\".-;-,"

d is t,arlces , azimlJths, .:JIf,pl it..IJ,::Ses, arId periods for the event,s

in Table 2; Tabl. 4 lists to reshoc!l;. s , afte rshQclt;. 5,

If' j, c roea rtho'Jal<.es theocclJrrin. Qu"irlS ".T'i~,reportin~

Table 5 1 ists events that could not be defir,j. t,e),\:1 irler,t, if'i ~('j

earthGIJal<.esas beirlS or that did riot prodlJce iB 5I.1fficj.~r,t

r"_IITlber of arrivals to obti9irl an acceptl9b~e .olutiora.

Page 4

SEISMICITY

DIJrins the period JarllJar~ ,- March 1980, a total of 1.7

~a rth~IJaj(.es detected arId located in the rlort,h~a$t(ernwere

Url i t.ed States. 10 earthGIJal<.es incll.JdeljIn addition, .~.

which h,,1,j epicenters in Canada blJt within 100were

\1:. i 1 omete T'S of the u.s. bprder. Table 4 ncllJf1es 3~

foreshoclt.s, aftershoclc.s, ar"j ITI i c roea rthGu'Qke~ , and Tab 1 e 5

lists 14 slJspected earthQIJa~.es.

The ITlasnj.ti.Jdes of the 27 earth~IJak.es ir. Tc1bl@ 2 rarlse

from 0+5 to 4.t~ The masr",it,IJdes of the .".r.t,$ in Table 4 are

less t.harl 1

F ' a '""" 1::"

"".." ~,

EXPLANATION OF TABLES

r.ble 1: List of Operatirls Sei.smic St~tiorls

~. Station code

? + Statior. latitlJde, degrees rlorth

3 + St.at.ion lon~i t.IJde, degrees west.

4. Station elev~t.iorl' meters.

. Geographic lot~atiorl.

6. Networlc operator

Tb12 . E ' t L . t.. .PICen er .15 .

1.. Ever.t date~ ori~in tjme(UTC), ~eo~ra~hic r,ame,felt data.

2. EF'icerlter deter".jr.ed by:WES-Westorl ObservatoryLDO-l.amont-DoheT'ty GeoloSical Observ.tor",EPB-EaT'th Physics Branch, Ottawa.

3. OriSi.r. t,iIY.e(UTC>

... Eyent 1 at. i t.IJde, des rees .

5. ~Y.nt longitlJde, degrees.

6. Ever.t depth, ~. i lomet,e rs . Depths of 0 ~.IT. (U. S.) .nd() ~.ITI or 18 ~.ITI (Canada) (~re rest,rai.r.e{j val'..le~;.

o'fles$t-$GIJares; loca't,ion.RHS error(sec

B 95~ corlt'iderlce ellip~;e dat,a: selYlj-IYI,~...i()r ,;i:,:j.IYII.lth,and lerISths(!I;.m) ot' !5(;'!mi'-maJor arid -lTlirlor a~.~e~5.

9. Event ma.'.:Jr. i tlJde :Hr..-NIJt..tI i I_.'.:J ma.'.:Jr.itIJdeHc-Coda dlJrati.on nla~nitl.Jde(WES).HI-Richter L.'.:J Ha.'.:Jrlit..Jde(EF'[C).

Table 3: Event data 1 ist,

1. Eventfelt

date, orisirl '!:,ime(UTC)p ~eQgraphicdata.

)aITI~.\ .

2. stat i ort code

Page 6

3. E:~mergent,(e) or iITIPIJlsive(i);phase t\,fpe (P, Pg, P*, F'n, S, S9, S*, Sri) .If impulsive, di rection of fi rst mot,iorl is alsoil"lclIJded: coITIPression(c) or dilatatior.(d).

4. Station arrival time(UTC).

5. Epicentral distance, ~.",.

6. Statiorl azilTtlJth" des.

7. F'ea~..-to-peaJt;. s round mot j. orl' i rl ITI ill i ITI i c rorls, of thema~.:imlJITI erlvelope ampl itlJde of vertical-component,siSrlal, corrected for system resporlse.

8. f'eriod, irl sec, of the si~nalamp! itlJde was measlJred.

from \-Ihich the

9. Hn arid HI as caIc.'I_Ilated from amplitude, F'eriod,and distarlce.

10. Mc=2.23Lo~(D)+0.12Lo~(k)-2.36, where D is thecoda duratior., in sec, and ~. is the epicer.tra:l.distance, in ~.m.

table 4: Foreshoc!l:.s, Aftershoc"..s, and MicroearthGIJal<.es.

. Ever.t date, origj.rl time(UTC), r.earest. recordir.gstatior" ma~rlitIJde, arid geo~raphic T'e~ion.

Table 5: SIJspected arId Poorl",-I_ocated EarthoIJak.es.

The forrriat for this table is a combirlat.ion of' those 'forTables 2 and 3.

Page 7

APPENDIXVELOCITY MODELS USED FOR EPICENTER LOCATIONS

IN THE NORTHEASTERN UNITED STATES

VEL ToIot.m/sec sec

---

DEPTHkillREGION

0.00.56.3

0.04.0

35.0

6.16.68.1

Northerrl New Yorfl;, aridAd i rondacfl;, S (LDO)

0.00.21.4

0.01.06.0

4.55.06.0

Attica, New York. (lDO)

0.0 0.05.9BIIJe H~rl. La~.e, New Yor~. (LDO)

0.01.06.5

0.07.0

35.0

5.986.628.1

SolJtheas te rn NY andnortherr. New Jerse~(LDO)

0.0 0.00.16 0.881.78 13.096.72 34.60

5.316.066.598.10

New Er,gland(WES)

00V

0m~

0m~

0VV

~v

0CX)V

0rt)V

0t"-V

0toV

0It')V

0-V

~

0

.q-CD

0 -. ~0

~ .~ .'-~

..-" ~. ~,0

0t-

--e.'

. .--. \-_!--..I

.I'..'.-"0

(\Jr-- ..-

. \ \,,

\,,

".0

Vt-

\ \..

\\

\~I.

.r

0CD,...

. \\..

,""~

0CX)t-

.

~

..--'

~~

~

~

0 t?r;

'\'

FIGURE 1. Seismic S~a~ions opera~in~ durin~ ~he period

Januar~ - March

1980

0CX).q-

0

0"t"

0r--V

0CDV

0VV

0mp')

0CDr<')

0anV

0I"')V

0(\JV

0

V

0

VCD

0<D<D

00)

w

0

0~

0

C\Ir--

0q-to--

0wr--

0a)r-

00Q)

FIGURE 2. Earthouake Epicenters durins the period

Januarw - March

1980

FIGURE 3. EarthQuake Epicenters durins the period

October 1975 - March 1980

TABLE 1

1ST OF OPERATING SEISMIC STATIONS BY STATEJANUARY - MARCH 80

STAID

LATITUDE l_ON(3ITUDE ELEVATIONdesrees deSrees meters OPERATOR

CANADA,STATIONS USED FOR LOCATIONS IN THIS BULLETIN

A16A20A54A56A60A64BtJOGHQEFOFHOGAGGNTLMQMIQMNQMNTOTTPOCQGQSCH

47.4680N47.7060N47.4570N47.5500N47.6920N47.8270N43.3617N46.8900N43.0917N45.4550N45.7033N46.3630N47.5484N46.3667N50.5300N45.5025N45.3939N47.3600N46.7800N54.8167N

70.0100W69.6900W70.4130W70.3270W70.0930W69.8910W79.7450W71.3000W79.3117W76.2170W75.4783W72.3720W70.3267W75.9667W68.7700W73.6231W75.7158W70.0400W71.2800W66.7833W

2245

38441435813788

145168

726210

419199564112776191

540

EPBEPBEPBEPBEPBEPBEPBEPBEPBEPBEPBEPBEPBEPBEPBEPBEPBEPBEPBEPB

BURLINGTON,ONCHARLESBOURG,PQEFFINGHAM,ONFITZROY HARBOUR,ONGLEN ALMOND,PQGENTILLY,PQLA MALBAIE,PQMANIWAKI,PQMANICOUAGAN,PQMONTREAL,PQOTTAWA,PQLA POCATIERE,PQQUEBEC,PQSCHEFFERVILLE,PQ

CONNECTICUT

BCTECTHDMMD1MD2MD3MD4MD5NSCtJCT

41.4933N41.8346N41.4857N41.5529N41.5314N41.5066N41.5023N41.4551N41.4807N41.8317N

73.3839W73.4113W72.5232W72.4667W72.4337W72.4715W72.5121W72.4950W71.8516W72.2505W

3

1

1~

l'1,

1

1

BROOKFIELD,CT 'WESELLSWORTH,CT WESHADDAM,CT WESMOODUS (COMSTOCK BRIDGE) WESHOODUS (PICKEREL LAKE) WESMOODUS (CAVE HILL),CT WESMOODUS (HADDAM NECK),CT WESHOODUS (SHAILERVILLE),CT WESN STONINGTON,CT WESSTORRS,CT WES

DELAWARE

BBDGTDNED

39.3461N38.7414N39.7042N

75.6767W75.41.44W75.7082W

181546

BLACKBIRD,DEGEORGETOWN,DENEWARK,DE

DGSDGSDGS

6.4?'"1650014

9243126109

2 OF 4PAGETABLE 1 ContinlJed

MAINE

WESWESWESWESWESWESWESWESWESWESWESWESWESWESWESWESWES

69.0233W68.7893W68.1208W69.0989W69.1524W69.1687W69.2767W69.2650W69.4957W67.4894W69.6408W67.9867W70.2426W69.0403W67.4674W67.3271W70.2551W

24080

250304402259490365430

2079

209378140219

93113

AGMBPMCBHIliAII2AII3AII4AfJ5AII6AEHHHKMHNHE..JKM

HIMPOOPOiTRM

47.0817N44.6317N46.9325N47.0586N47.1304N47.0876N47.1881N47.0113N47.0890N44.7392N44.6564N46.1599N45.6555N45.2436N44.9863N44.9035N44.2597N

ALLAGASH,HEBUCKSPORT,HECARIBOU,HEDICKEY,HEDICKEY(KELLY HTN),HEDICKEY(CARTER BROOK),MEDICKEY(ROCKY MTN),MEDICKEY(BROWNS BROOK),HEDICKEY(TWO MILE STREAM)EAST MACHIAS,MEHINCKLEY,MEHOULTON,HEJACKHAN,MEHILO,HECOOPER HILL,MEEAST RIDGE,HETURNER,ME

MASSACHUSETTS

HITHITWESHITHITWESWESWESHIT

CODDUXFLRGLOHRVl.NXQlJAWESWFM

41.6856N42.0686N41.7167N42.6403N42.5064N42.3389N42.4566N42.3847N42.6106N

70.1350W70.7678W71.1215W70.7272W71.5583W73.2724W72.3738W71.3221W71.4906W

CAPE COD,HADUXBURY,HAFALL RIVER,HAGLOUCESTER,HAHARVARD,HALENOX,HAQUABBIN ,HAWESTON,HAWESTFORD,HA

NEW HAMPSHIRE

BERLIN,NHDURHAH,NHHANOVER,NHOAKHILL,NHPITCHER MTN,NHWHITEFACE,NH

BNHDNHHNHONHPNHWNH

44.5906N43.1225N43.7053N43.2792N43.0942N43.8683N

71.2564W70.8948W72.2856W71.5055W72.1358W71.3997W

47224

180290659220

NEW JERSEY

LLLLLlL

74.1845W 16574.4608W 36074.7515W 20174.6166W -36375.0858W 22974.7178W 11074.2140W 247

GARRET HOUNTAIN,NJGREEN POND,NJLONG VALLEY,NJOGDENSBURG,NJPAHAQUARRY,NJPRINCETON,NJRAMAPO,NJ

40.B825N41.0177N40.8095N41.0667N41.0073N40.366BN41.0952N

WESHITWESHITHITHIT

IIIIDIIII[III

10

0

010

0

0!o

PAGE 3 OF 4T ABl. E 1 Cant i r.ued

NEW YORK

ALXAPHBGRBINGBLMCANYCHRCLINCLYCRaGCTRDANYDBMDHNDNYDPLEGNGOBGSCIPSLDNYAMNHMEDYHSNYOCNOSBPAl-PNYPTNSANYSNF'SPSSRMSTLTBRUWLW(3LWND

44.322SN43.8413N-44.8288N42.07S7N41.3297N42.9255N41.2080N41.8750N43.8513N43.9050N43.8741N44.7583N41.2944N42.8255N42.8363N41.2528N43.8596N41.3294N41.2661N41.2672N40.9400N40.7808N43.1818N44.9983N43.8848N41.3603N41.0042N44.8341N44.5725N43.1738N41.2408N41.3019N41.2283N41.1886N41.1417N43.8378N41.3589N42.3375N

L.L:l:L:CIL:CILlLLL.CIL.LC'LCCCSLLLLC'LLl:LCICCCLLCL

75.9280W74.4970W74.3742W75.9767W73.9550W78.8528W74.2211W73.8490W74.4490W75.4125W74.4600W73.B357W73.9750W78.1930W78.1688W73 . <j) 1 08W

74.4818W73.9219W74.0039W73.9483W73.4740W73.9738W78.3903W74.8620W74.5293W73.9239W73.9091W73.5550W74.9828W78.8703W73.9711W73.8905W74.0139W74.0036W74.2222W74.5433W73.8994W74.1525W

122564329408134192183168579244585507

27491381

67549150110

38100

18655

701212

9117723817230

168165125261561152602

ALEXANDER BAY,NYAIRPORT HANGAR,NYBANGOR, NYBINGHAMTON,NYBLUM,NYCANISUS,NYCALL HOLLOW RD,NYCLINTON,NYCRYSTAL LAKE,NYCROGHAN,NYCASTLE ROCK,NYDANNEMORA,NYDUNDERBURG MTN,NYDOYLE HILL,NYDERSAM,NYDELLI PAOLI,NYEAGLES NEST,NYGOBBELET,NYGIRL SCOUT CAMF', NYINDIAN POINT STATION,NYLLOYDS NECK,NYMANHATTAN,NYMEDINA,NYMASSENA,NYOVER CASTLE ROCK,NYOSBORN,NYPALISADES,NYPLATTSBURG,NYPOTSDAM,NYSANBORN, NYSTONEY PT,NYST PETERS SCHOOL,NYSCHERMAN,NYSTILES,NYTABLE ROCK,NYUTOWANA LAKE,NYWEGEL,NYWINDHAM,NY

PENNSYLVANIA

BVRERIHVLPHISCP

40.7000N42.1333N39.9992N40.1166N40.7950N

80.3333W79.9833W76.3506W75.1333W77.B650W

00

1000

352

PSUPSUMSCPSUPSU

BEAVER,PAERIE,PAHILLERSVILLE,PAABINGTON,PASTATE COLLEGE,PA

DDDD0D0DDDDD0DD0D000BDDDD0DDDD0000DD0D

0000N0N00000N00N0NNNU0000N0000NNNN00N0

*

*

*

*

****

*

****

*

TABI_E 1 ContinlJed PAGE 4 OF 4

VERMONT

43.3488N44.5777N44.9620N44.7228N44.3623N43.5221N42.8383N43.9991N44.9136N44.2783N

72.5853W73.1458W72.1709W72.9517W73.0650W73.0533W72.8008W73.1811W72.6278W72.6067W

BALTIHORE,VTCOLCHESTER,VTDERBY,VTFLETCHER,VTHINESBURG,VTIRA,VTHARLBORO,VTHIDDLEBURY,VTHONTGOHERY,VTHONTPELIER,VT

* STATION CODES NOT ALL CLEARED THROUGH NEIC

OPERATOR CODE

CONSOl.IDATED EDISON, INDIAN POINT,NYMarj(. HolJlda~ (201) 471-2000DELAWARE GEOLOGICAL SURVEYKenneth Woodruff (302) 738-2833EARTH PHYSICS BRANCH,DEPT.OF ENERGY,MINES,AND RESOURCES, CANADADr. Robert Wet"li ller (613) 995-5548LAMONT-DOHERTY GEOLOGICAL OBSERVATORY OF COLUMBIA UNIVERSITYEII~n Schlesin~er-Miller (914) 359-2900 x374MASSACHUSETTS INSTITUTE OF TECHNOLOGYJa~ Pulli (617) 253-5415MILLERSVILLE STATE COLLEGEDr. Charles K. Scharnber~er (717) 872-3295PENNSYLVANIA ST'ATE UNIVERSITYDr. Shelton Alexarlder (814) 865-2622STATE UNIVERSITY OF NEW YORK AT STONY BROOKDr. Robert Liebermann (516) 246-6090Dr. Donald Weidner (516) 246-8387WESTON OBSERVATORY BOSTON COLLEGEVladimi r VIJdler (617) 899-0950

.Y ' AI 'I I E.. i t.., t . ~ F' A( " E" 4 (.),...4.. '. . .:. .1. ., 0 r..' , :1. r.. 1..1 f:~ 1:.1 :! .:. . ..

~

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~ ~<V .,.4 "x :'x 4 (:)(:1,.1 '7':) '::'(:)I:"' 3W ..~

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{ ~ " )V 44 .:"7'7' J ' N .J ' ..~ i 4 ""C) W C)." ( " {)I { "LJ E (~' Y ' E ' R V ' Y ' , I . ( '

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I:I'JT 44. ("}6::.~ON '7::.~. :L 70("}W :'370 I:'I:::RBY, VT WE::!:>

F:.' E :" Y ' 44 7 ':)':)(:) N '7':) <:).:. i .J ' W "~ 6 .1 F .. , E "' f( " HE -:' R ' V ' Y ' I I . ( '

).,.,.'.),...7-.1J. ,:>.(:) ,...1' '.

LJF < V ' Y '

44 "x.I")"x N '7"X () .lI::'()W "x 44 L"' I ' NE 'c' r:l lJR{" VT j 1' ('

)r1. .,:)(:)..'..,:) .,:>. (:),..1 ,:> r1.. ...J.. "', '.

. " I)' Y ' 4 "~ .:":)':)i N .J "'x O .:i"~"x W ':)<~)I::' . " R " A V ' Y '

WE ':'

.., ,;).,..I ,...L ,:>. .,.,:),:> 7~J .., ...J

MAI:~L .4 ~~ . f:J:'3!:J~3N '7~.~ . !:!OO!:JW ~:j!:JO MARLBORO, VT LI:'{:)MI i~) 4 "x <:)(:)(")" N .J "'x iC)' l i W . 1 "x

4 M]' I l l i 'E"~"IJF" Y V 'Y' II '

()" ,:).T7/.. ,:).".0...1. ..,;) ., :.1:'.,,' 1.

M("'V ' Y' -'~ 4 (") ., :'X.I N 'J' ':) .I ':)'7 81 1 ':).1 ':) M{')N 'Y' (" (')ME " I:"Y V 'r I Ii ('

).) t.,...:)C) ,...(;), '.J ,..(;)_. . ., ", MI::'VT 44. ::)7!:!:'3N 7::.~. 6067W ~.~40 MONT'::'E~L :I:E::I:~, VT LI:IO

* <:"Y A .'Y" " ( ' )N ( " ( ' )1 " ::'<:' N r ) ' y ' All ( " IE :' AI "' I ::' I i 'Y" " I' :" ( ' )IJ( " H NE " ] ' { "

J 1 I.. .,. .1...,.).. .- ... ., ... ... "\ I "..., .,

(:)I::'E::I:~AT(:)I:~ (:: (:) 1:1 I:::

r' (' )N ( " ( )'I,' ( ' )I . 1' 1 ' A ' Y ' , ... I ' F .. I ' . " ("' ( ' )N . I ' NI ' . [AN 1"' { ' ) " ' Nl ' NY..,. . .-. ., 1'\/,:) . ... .I.. ::..1 .:..1.. ,:). ,.. .I..' .. . .. I'

M,:1Y'1~. 1--101..!:lo,:1\:1 (:~01.) 47:L'-':;~000

Ii { "'(" I i , ... 1 AWA" " E " { "I:" ( ' )I ( . ){ ., ] . ( " AI ("' IJF " VE -Y., :1 ,:) .. ::. ... .. .'" .:. :J 1::. . :1.. .," ... ,:)", ...

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TABLE 3

EARTHQUAKE DATA LISTNORTHEASTERN UNITED STATES AND ADJACENT REGIONS

JANUARY -. HARCH1980

MAGNI TlJDESTA PHASE--- ARRIVAL DIST AZ AMP PERIOD

1980JAN020312 CT, NEAR NORWICHUCT epg 03 12 35.2 26j(.1TI 331dgUCT eSs 03 12 38.5 26 j(. IT. 331dsHD2 ePs 03 12 35.6 301l:.IT. 250dsHD2 eSg 03 12 38. 9 30~~1TI 250dsHD3 eF's 03 12 36.3 34 11:. ITI 248dsHD3 eSs 03 12 40.6 34 11:. ITI 248dsHDM eF's 03 12 37.2 3911:. IT, 247dsHDH eSs 03 12 42.5 39j(.IT' 247ds

0.95H<:,

1.00Mc

1980JAN021050 PO, SW OF LA POCATIEREA54 eP~ 10 50 42.3 14!1:.1T1 335dsA54 eSS 10 50 44.3 14!1:.1T1 335dSPOC ePS 10 50 43.9 22!1:.1T1 85dSLMO epg 10 50 43.3 23!1:.1T1 1d~A56 eSS 10 50 46.4 23 !I:. ITI idsA60 eP~ 10 50 46.3 43!1:.1T1 25dsA20 ePS 10 50 49.9 63 !I:. ITI 50dSA20 eSS 10 50 57.3 63 1<. ITI 50dSA64 ePS 10 50 49.3 63!1:.ITI 32dsD6A eP~ 10 50 51.4 70!l:.1T1 114dsD2A ePS 10 50 55. 1 931<."1 1 04d~D1A eP~ 10 50 55.9 99!1:.1T1 108dsD1A eS~ 10 51 08.5 99 !I:. ITI 108d~JKM ePn 10 51 09.0 188!1:.1T1 178dsHNME ePn 10 51 13.6 223!1:.ITI 125dSHNME eSrl 10 51 38.8 223!1:.1T1 125d~MIM ePrl 10 51 17.4 254!1:.1T1 156dsPO1 ePn 10 51 29. 8 357~.1TI 138ds

2. 03.Mc

2.25Hc

2. 45Mr'.2. 14Mr.

2.42Hc2.33Hc

91T11J

51T11J

O.2secO.2sec

2.19Mn2.56Mrl

2.59Mc2.63Mc

4 ITI 'J

5'TI'.J

O.2seco. j. sec

1980JAN071030 NB, DEER ISLANDPO1 ePS 10 30 25.2 28"-.mF'OO ePS 10 30 26.6 38"-."1POO eSS 10 30 31.1 38 "-. ITIEMM eF'S 10 30 27.9 48"-.1T1EMM eSs 10 30 33.6 48"-.1T1BPM eP* 10 30 43.8 148"-.1T1HNME eP* 10 30 44.9 153"-.1T1HNME eS* 10 31 03.0 153"-.m

2.32Hc2.26Hc

2~2~~222'33

2.23Hc:

2.45Hn1.90Hn

2.30Hc2.41Hc

12mlJ4mlJ

O.2secO.2sec

57733533

2,1166500

dddddddd

99999999

TABLE 3 (Contirlued) 2 of 9PaSe

MAGNITUDESTA PHASE--- ARRIVAL DIST AZ AMP PERIOD

1980JAN14 0557 ME, OFFSHOREBPM ePs 05 58 01.6 106~.mEMM ePs 05 58 02.2 l12kmEMM eSS 05 58 16.0 112~.mFoGl eP* 05 58 06.0 135~.nlPGO eP* 05 58 06.9 l38~.nlHKM eF'* 05 58 09. 3 155~.nlHKM eS* 05 58 27.5 155~.nlMIM ePn 05 58 11.8 175~.nlMIM eSrl 05 58 32.7 17511:.nlTRM ePn 05 58 12.8 1 801<.nfTRM eSn 05 58 33.8 1801l:.nlHNME eSS 05 58 58.5 2601l:.nl

S OF MOUNT DESERT ISLAND328ds

25dS 28nlu O. 1 sec 2. 82Mn25dS27dS21ds

307ds307ds335ds l1mlJ O. 2sec 2. 37Mn335ds286ds286ds

2ds "7m1J 0 .2sec 2. 35Mrl

2.82Hc2.85HI.:

2.88t1c

2.85Mc

2.87"c

2.76Hc

1980JAN171012 NY, PEEKSKILLWPR eP~ 10 12 30.1 3111:.1T1

TBR eP~ 10 12 30.3 32 11:. ITIRAHA eP~ 10 12 30.9 3511:.1T1BCT ePs 10 12 33.1 5 0 11:. ITIGPD eF'~ 10 12 34.2 5611:.1T1ECT eP~ 10 12 36. 7 711~.1T1HDH eP~ 10 12 44.7 11911:.1T1HD4 eF'~ 10 ~2 44.9 12111:.1T1LNX eP* 10 12 45.7 1251-..1T1UCT eP* 10 12 49.6 15111:.1T1

FORESHOCK106d~229d~222d~

69d~232d~

38d~81d~80d~26d~68d~ 31T1IJ

1.60Hc

1.80MrO.2sec:

1980JAN17 1013 NY, PEE"':SK]:LLGOB eP 10 .13 17.2 4~,"1IPS eP 10 13 17.1 6~,ITIBLM eP 10 13 16.8 6~.",WGL eP 10 13 17.1 6~"1DBM eF' 10 13 17.0 '7\1..",OSB epg 10 13 17.1 7~",SNP eP~ 10 13 17.6 9J1;."1GSC eP~ 10 13 1'.6 10Jl;,",SRM eP~ 10 13 19.1 13J1;.",STL eP~ 10 13 18.7 16~."1WPR eF'~ 10 13 21.1 27J1;.mTBR eP~ 10 13 21.3 33J1;.",PAL eP~ 10 13 21.8 33~."1BCT iP~C 10 13 24.1 48~."1GPD eP~ 10 13 25.2 57J1;."1ECT iP~D 10 13 28.0 72J1;.",HDM iP~D 10 13 36.1 11.7J1;.",HDM eS~ 10 13 48.2 117~,",LNX iP*D 10 13 36.7 126J1;.1T1UCT eP* 10 13 40.9 149J1;."1QUA eP~ 10 13 46.0 180\l..IT'FLR e** 236\1..ITIHNH e** 298~."1

FELT325ds229ds302ds358ds263ds340ds223dst246dsJ231dsJ216dsJ101ds237dslB2ds

63ds237dsJ

34dsJ80ds80dsJ24ds66ds44ds78dsJ26dS

2.59Hc

2.59Mc

3. 05Mrl3.15Mrl

70",IJ

5811.1_1

O.2secO.2sec

61T11.J

7"".JO.2secO.2sec

2.25Mr.2.31Mrl

TABLE 3 (ContinIJed) 3 of 9Page

STA PHASE--- MAGNITUDE,

ARRIVAL Dl$T At AMP PERIOD

1980JAN21 0616 ON, EAST HAMILTONBUD ePS 06 16 11. 4 14~.m 359dsBUD egg 06 16 13.3 1411:.nl 359dSEf"O eSS 06 16 20. 5 39~,m 115dsMEDY ePS 06 16 27.2 11 O~.nl 93dSMEDY eSS 06 16 41.0 1101l:.m 93dsWVL Y eP* 06 16 30.9 12811:.m 131dSWVL Y eS* 06 16 45.6 128~.nl 131dS

FELT

1980JAN24 0032 HE, SW OF HT KATAHDINHIM eF's 00 32 08.9 36\1:."1 1.75dsBPM ePs 00 32 21.3 107\1:.m 167dsBPM eSs 00 32 33.6 107\1:.m 167dsHNME ePs 00 32 20.8 1.08\1:."1 521jsHKM ePs 00 32 21.7 110\1:."1 204dsPOt eP* 00 32 29.1 156\1:.m 118d~

1.69Hc

4mlJ 0.2.e(.' 1.85Hn 2.03Mc

2.10Mc3"11_1 O.2sec 1 . 89Mrl

1980JAN24 0544 F'Q, LAKE GAGNONGAC iP~D 05 44 57.5 561-:."1GAC eS~ 05 45 04.8 56 11;. ITIHIQ iP~D 05 44 58.9 '72"-.ITIt1IQ eS~ 05 45 08.4 7:,?:"-."1OTT eP~ 05 45 03.6 9511;."1OTT eS~ 05 45 15.5 9511;.1T1FHO eF'~ 05 45 06.5 11511;.1T1FHO eS~ OS 45 21.3 11511;."1HNT eS* OS 45 24.2 13411;.1T1PTN eP* OS 45 15.3 17411;.".DANY ePrl 05 45 16.2 18211;."1DANY eSn OS 45 38.3 18211;.mPNY ePrl 05 45 16.7 18811;.".PNY eSrl 05 45 39.5 18811;.mGNT ePrl 05 45 18.4 21211;.1T1GNT eP~ 05 45 20.0 21211;.mCOV ePn 05 45 22.3 23111;."1CL Y ePrl 05 45 26.9 25911;.mCL Y eSt-. 05 45 56.4 25911;."1APH ePrl 05 45 26.8 25911;."1QCQ eSrl 05 46 07. 1 30211;.1T.CHQ ePn 05 45 31.7 30311;."1CHG eSn 05 46 06.2 30 3 11;. ITILHQ ePn 05 45 47.0 396kmLHG eSn 05 46 23.0 39611;.".

22222?~2211.1.1.11

1111

1980JAN261533 HE, NE OF DEER ISLEBPH eP~ 15 33 46.5 3911;.01 344dsHKH ePs 15 33 55.6 8811;.m 297dsEHH ePs 15 33 57.6 10511;.m 62dsHIH ePs 15 33 58.6 10911;.01 344dsPGO ePs 15 34 00.9 12211;.m 51dSPDl eF'* 15 34 01.2 125~.01 57dsPGl eS* 15 34 16.3 12511;.m 57ds

ContimJed

51T11J

61T11.J

81T11.J

O.2secO.2sec:O.2sec:

2 . OOHrl2.12Hn2.23Hn

1199113.'3,274444e9366677766

222r)"'"

1

100177700?-2BBB953355

ddddddddddddddddddddddddd

sss9SSS~SSSgSSSSS999SSS9S

2.09Hc2. 18Hc2.32Hc2.22Hc2.25Hc2.36Hc

TABLE 3 (Continued) -4 of 9Page

STA PHASE--- DI8T AZ AMP PERIOD MAGNITUDE"

ARRIVAL

TRM eP*TRM eS*HNHE epg

15 34 01.415 34 16.815 34 15.7

128\1;.ffi

128\1;.IT'

214 \1;. IT.

269ds269ds

14ds

1980FEB020339 PO, 20KM E OF LA MALBAIEPOC eSg 03 39 39.2 16i';.m 186dsA60 ePs 03 39 38. 1 22~.m 345dsA60 eSs 03 39 41.0 22km 345dsLMO ePs 03 39 38.5 24 i';. nl 282dsLMO eSs 03 39 41.5 24~.m 282dsA54 ePs 03 39 39. 5 30~.nl 260dsA54 eSs 03 39 43. 3 30~.m 260d~A20 eP~ 03 39 40.1 33~.m 48d~A20 eS~ 03 39 44. 3 33~.1T' 48d~A64 eP~ 03 39 40. 3 37~.m 15d~A64 eS~ 03 39 44.9 37~.m 15d~

1980FEB040918 NY, NE OF OGDENSBURGMSNY ePs 09 18 52. 6 43~.m 47dsMSNY egg 09 18 58. 0 43~.m 47dsCROG egg 09 19 12.0 93~.m l88dsDANY ePs 09 19 03. 7 113~.m 88dsDANY egg 09 19 17.4 113~.m 88dsPNY eP* 09 19 06. 8 136~.nl 85dsPNY eS* 09 19 24.0 136~.m 85dsFLET eSrl 09 19 36.7 183~.nl 90dsMDV eSn 09 19 36.6 185~.nl 115ds

1980FEB091311 HE, W OF BIDDEFORDTRH eP~ 13 11 50. 4 88~.m 27d~BNH e** 121km 341d~HNH eP* 13 11 57.0 124k.m 278d~HNH ePrl 13 11 58.0 124k.m 278d~HNH eS* 13 12 11.4 124k.m 278d~WES eP* 13 11 59.4 138k.m 200d~WES eS* 13 12 15.0 138k.m 200d~BVT eP* 13 12 00.8 150k.m 262d~BVT eS* 13 12 18. 6 150~.m 262d~HKH eP* 13 12 00.5 151~.m 36d~HKH eS* 13 12 18.6 151!1:.1T1 36d~QUA ePn 13 12 04.5 180k.1T1 228d~QUA eS~ 13 12 27.4 180!l:.m 228d~BPH ePn 13 12 07.6 198k.m 52d~BPH eSn 13 12 29.6 198~.m 52d~UCT ePn 13 12 10.9 228km 213d~HIH ePrl 13 12 11.7 232!1:.m 36d~

FELT23mlJ

5mlJO.lsecO.2sec

2 .73Mrl1 . 98Mrl

2.54Mc

2..45Mc

2.72Hc

12nllJ O.2sec 2.46Hn 2'. ~5t1C':

13mlJ O.1sec 2.69Hn 2.48Mc

7mlJ6mlJ

O.lsecO.2sec

2.44Mrl2.29Mrl 2.61t1c

5 of 9TABLE 3 (Continued) Pase

MAGNITUDEAMP PERIODSTA PHASE--- ARRIVAL DIST AZ

1980FEB192125 PQ, NE OF LA POCATIEREPOC eF'~ 21 25 43.5 15~.m 168d~LMQ eP~ 21 25 43. 5 20~.m 289d~A56 ePs 21 25 43.6 201<.m 290dsA56 eSs 21 25 46.4 20km 290d~A60 eF's 21 25 44.1 22~.m 358dsA60 eS~ 21 25 47. 3 22~.m 358dsA54 ePs 21 25 44.3 25~.m 261dsA54 eSs 21 25 47. 6 25~.m 261d~A20 eP~ 21 25 46.6 38j1;.1T1 51d~A20 eSs 21 25 51.5 381<.m 51d~A64 eP~ 21 25 46. 5 40~.m 21d~A64 eS~ 21 25 51.7 4 Ojl;. ITI 21d~D6A eP~ 21 25 50.7 63~.m 135dsD4A eP~ 21 25 51. 8 70~.1T1 119d~D2A eP~ 21 25 53.5 81~.m 119dsD5A ePs 21 25 53.8 82j1;.m 131d~D1A eP~ 21 25 54. 8 89~.m 123d~D1A eS~ 21 26 06.1 89~.m 123dsHNME e** 218~.m 132d~HIM e** 263~.m 162d~

2.27Mc2.16Mc

2.11Mc2.35Mc

2.20Hn2.10Hrt

t::".JITI!..I

4mlJ

0.25&C0.215&C

1980FEB25 0518 HE, N OF PENNESSEEWASSEE LAKETRH ePs 05 18 55.2 23k.1T1 94dsTRH eSs 05 18 57.6 23k.m 94dsBNH eSs 05 19 10.3 67k.1T1 302dsHKH ePs 05 19 05. 1 83k.1T1 59dsHKH eSs 05 19 14.9 83k.1T1 59dsBPH eP* 05 19 14.8 145k.m 73ds 8mlJBPH eS* 05 19 32. 1 145k.m 73dsJKH eS* 05 19 35.4 156k.1T1 9ds 4mlJHIH eP* 05 19 17.0 160k.1T1 47ds 5mlJHIH eS* 05 19 36.0 160k.m 47ds

1.B3Mc

1.97Hc

O.11Sec 2.43Mn 2.07Mc

0.2$ec0.1.&:c

2.01Hn2 . 2~Hrl 2.03Hc

1980FEB29 0553 NY, CATSKILLWND eP~ 05 54 00. 9 26~.mWND eS~ 05 54 04. 5 26~.mLNX eF'~ 05 54 08. 5 79~.mLNX eS~ 05 54 17.7 79~.mCLIN ePS 05 54 09. 0 B2~."tCLIN eS~ 05 54 18. 4 82~."1ECT ePS 05 54 12.6 104~."tECT eS~ 05 54 24.4 1 04~."1MARL eP~ 05 54 14.5 117~.mMARL eS~ 05 54 28. 0 117~.mBCT eP* 05 54 17. 4 137~."1BCT eS* 05 54 33. 3 137~."1APH eP* 05 54 18.0 143~."1APH eS* 05 54 35. 3 143~."1CL Y eP* 05 54 18.1 144~.mCL Y eS* 05 54 35.5 144~.mQUA eP* 05 54 19.5 150~."t

ContintJed

174ds174ds109ds109ds160ds160ds142ds142ds

75ds75ds

151ds151ds350ds350ds352ds352ds

94ds

2.10Mc

2.22Hc

1. Omu O.2sec 2.21Mn 2.11Hc

7m'_J O.2sec 2.24Hn

6 of 9TABLE 3 (Cont i nlJed) Ps~e

MAGNITUDESTA PHASE--- ARRIVAL D181 AZ AMP PERIOD

QUAWPRWPRBVTGPDGPDMDVMDVUCTUCTMD4HDMHNH

eS*eP*eS*eP*eP*eS*ePneSnePneSrleSneSrleSn

05 54 36.805 54 20.105 54 37.905 54 20.505 54 23.005 54 43.005 54 23.105 54 43.605 54 23.605 5444.505 54 44.505 54 44.705 54 49.5

150km15511.. ",

15511.""

15711.,m17411..'"

17411.. ".

11811..m17811.""

18011.""

18011:.".

18311:,m

18311:,m

200ll.,m

94dsl6ldsl6lds

56dsl88dsl88ds

27ds27ds

l17dsl17dsl30dsl3lds50ds

2.38Hrl 2.28Hc9mlJ O.2sec

27mu O.2sec 2.78Hn 2.15Hc

1980MAR021154 PA, ABINGTONPRIN ePs 11 54 53. 8 35~."1PRIN eSs 11 54 58. 5 35~.mLVNJ eF's 11 54 59. 6 70~.",LVNJ eSs 11 55 08. 6 70~,"1paN ePs 11 55 02.7 8611:.mGPD ePs 11 55 04.9 10211:."1GPD eSs 11 55 17.1 1.0211:.",

1980HAR051706 PA, ABINGTONPRIN eP~ 17 07 02.5 391<.nlPRIN eS~ 17 07 07.1 391<.mNED eP~ 17 07 08.3 741<.nlLVNJ eP~ 17 07 08.4 751<.nlPQN eP~ 17 07 11.1 901<.".PQN eS~ 17 07 22.0 901<.n.GPD eP~ 17 07 13.3 1071<.mBCT ePn 17 07 28.8 2061<.nlBCT eSrl 17 07 52. 1 2061<.nlECT ePn 17 07 32.0 2321<.mECT eSn 17 07 57.8 2321<.",HD3 e** 2671<.nlUCT e** 3021<.mQUA e** 3411<.nl

FELT61d~61d~

223d~25d~

2d~2d~

31d~45d~45d~38d~38d~56d~52d~42d~

2.54Mc

2.68Mc

2.7211c2.6611c411T11.J

111T11.J

O.2secO.2sec

3.16Hn2.63Hn

1980MAR051720 PA, ABINGTONPRIN ePs 17 20 38.5 341<.",PRIN eSS 17 20 43.1 341<.",LVNJ ePS 17 20 44.1 681<.",LVNJ eSS 17 20 53.1 681<.",paN ePS 17 20 47.0 841<.",paN eSS 17 20 57.9 84 1<. IJIGPD ePS 17 20 49.7 1001<.IJIGPD eSs 17 21 01.7 1001<.",BCT ePn 17 21 04.8 1991<.IJIBCT eSn 17 21 27.8 1991<.1J1ECT ePn 17 21 08.0 2251<.1J1ECT eSn 17 21 33.4 2251<.01

Continued

67ds67ds24ds24dS

360ds360ds

32ds32dS46dS46ds38ds38ds

8mlJ O.2sec 2.41Hn 2.44Mc

2.38Mc

64dg64dg24dg24dg

Odg31dg31dg

TABLE 3 <ContinIJed) 7 of 9Pa~e

STA PHASE--- ARRIVAL DIST AZ AMP PERIOD MAGNITUDE

HD3QUA

ePr,e**

17 21 12.~ 261\1;.m334\1;.m

57ds42dS e",IJ O.2sec 2.58Mrl

1980HARll 0415 PO, S OF STE-CROIXaca eP* 04 16 03.3 41~,m 70dsGNT iP D 04 16 05. 7 56~.m 234dsGNT eS 04 16 13. 3 56~.m 234dsJKH iP*C 04 16 21.8 163~.m 132dsD6A iPnD 04 16 23.5 181~."1 74dsDVT iPnC 04 16 25.5 191~.m 189dsHNT iPr.D 04 16 25.1 191~.m 229dsHNT ePs 04 16 26.1 191~.m 229dSD4A iPnD 04 16 26. 5 200~.m 72dsD3A iPnD 04 16 27.1 205~."1 76dsD2A ePn 04 16 27.5 208~."1 74dsBNH ePn 04 16 30.4 233~.m 170dsPNY ePn 04 16 31.5 245~.". 215dsHIH iPnC 04 16 33.8 265~.m 125dsHKH ePn 04 16 35.8 278~.m 142dsCBH ePn 04 16 36. 3 282~.m 82dsTRH ePn 04 16 37. 3 292~.m 155dsHNHE ePn 04 16 37. 6 298~.". 99dsGAC ePn 04 16 39. 4 304~.m 251d~GAC eP* 04 16 41. 9 304~,"1 251dsHIa ePn 04 16 40.6 323~."1 266dsH I a eP* 04 16 44. 6 323~.m 266dsBPH ePn 04 16 41. 0 325~.m 133dsHNH ePn 04 16 42.8 330~.m 187dsOTT ePn 04 16 43.6 335~.m 247dsOTT eP* 04 16 46.8 335km 247dspao ePn 04 16 48.2 384km 117dsEHH ePn 04 16 50.0 397~.m 121dspal ePr. 04 16 50. 0 398~.m 118dsUCT e** 538~."1 184dsECT e** 551~.m 194d.BCT e** 588~.m 193dsSCH ePn 04 18 02. 3 974~.m 19ds

FELT

3.91Hc

3.98Hc

100ml.J O.2sec 3 .56Hrl 3.95Mc

3.95Hc

119mlJ

1691TII_1O.2se(:'O.2sec

3.59Mn3.72Mn 3.95Hc

3.91Hc

254mu O.2sec -4.1-4Mrl

1980HAR11 0600 PA, ABINGTONPRIN eP~ 06 00 33.4 4111;.1T1PRIN eS~ 06 00 38.7 4111;.1T1NED eP~ 06 00 38.5 7211;.1T1LVNJ eP~ 06 00 39. 4 77~.1T1paN eP~ 06 00 42.1 92~,1T1BBD eP~ 06 00 43.5 10311;.mBBD eS~ 06 00 56.5 103k.mGPD eP~ 06 00 44.2 1 09 11;. mBCT ePn 06 00 59.4 2 0811;. ITIECT ePr, 06 01 02.5 23411;.mLNX ePn 06 01 08.4 28611;.mUCT ePn 06 01 10.5 304~.m

FELT59ds59ds

223ds25ds

3ds207ds207ds

31ds45ds38ds32ds52ds

77mlJ66ml..1

O.2secO.2sec

3.31Mn3.32Mn

3.26Mc3.20Mc

4.02Mc3.98Mc4.00Mc

e of 9TABLE 3 (Continued) Page

STA PHASE--- ARRIVAL PERIOD MAGNITUDEDIST AZ AMP

19BOHAR110B43 PO, NE OF LA POCATIERED6A eP~ OB 44 07.5 55k~ 147d.D4A eP~ 08 44 08.5 581<.m 127d.-D4A eS. 08 44 15. 5 5B~,m 127d.-D2A eP~ 08 44 10.4 69km 126d~D3A eP~ 08 44 10.~ 71~,RI 130d.HNHE eP~ 08 44 32.4 20B!I:.RI 135d~HIH eP~ 08 44 41.8 259km 165d~

2.13"c2.34Mc2.49Mc

O.2secO.2sec:

2.01t1n1.99t1n

4ml_13ml.J

1980HARlll007 HA, OFFSHOREFLR ePn 10 09 08.1 67711:.1r1

WES ePr, 10 09 14.5 729k.",EHH e** 732k.1rIPOl iPnC 10 09 16.1 74411:.1r1BPH ePn 10 09 19.1 767k.",HD2 ePn 10 09 19.4 76711:.",HIH ePn 10 09 28.2 836k.,HNH ePn 10 09 32.6 878klrlBNH ePn 10 09 33. 7 883~.1rIHNHE e** 893 11:. IrI

WEST KELVIN SEAMOUNT303d.307d.340d~ 9mIJ O.2sec341d.332d. 7ml.J 0 .2sec298d.333d.-313d.321d. 5ml.J o. 2sec341d. 4mIJ O.3$ec

2.99Hn3.38Hc

2.8jHn

2 . 82Mrl2.67Mn

3. 42Mc::3.41Mc

1980HAR11 1616 PA, ABINGTONPRIN eP~ 16 16 09.8 26k.RtPRIN eS~ 16 16 13. 6 26~.RILVNJ eP~ 16 16 16.5 61k.RIGr"D ePS 16 16 21.1 93k.RIGPD eS~ 16 16 32.4 93k.Rt

71d.71d~20d.29dS29d.-

1980MAR19 0253 PO, N OF GLEN ALMONDGAC eP~ 02 53 09. 7 23~,m 199d~GAC eS~ 02 53 12. 7 23~.m 199d~OTT iP~D 02 53 14.7 62km 205d~OTT eS~ 02 53 22.4 62km 205d~MIO eP~ 02 53 16. 2 69~,m 319dsMIO eS~ 02 53 24.7 69~.m 319dsFHO i P~D 02 53 17. 4 82~.m 233d~FHO eS~ 02 ~3 26. 8 82~.m 233d~PTN eP* 02 53 28.4 151~.m 168d~DANYePn 02 53 32.4 176k~ 136dgPNY ePn 02 ~3 33.7 186km 129d~CRaG ePn 02 53 38.7 222~.m 181dsCROG eSn 02 54 03.2 222~.m 181ds

1980MAR191204 pa, LA CONCEPTIONGAC iP~D 12 O~ 31.8 78~.m 224d~GAC eS~ 12 04 40 ..8 78~.RI 224d.MIa eP~ 12 04 33. 9 93~.m 281dsMIa eS~ 12 04 44.9 93~.m 281d~MNT ePS 12 04 37.9 120km 131dsFHO eP* 12 04 41.2 140km 234d~FHO eS* 12 04 57.8 140~.m 234d.GNT iPnD 12 04 47.9 187km 84d~

, of 9TABLE 3 (ContinIJed) F'ase

MAGNITUDEAMP PERIODSTA PHASE--- ARRIVAL DIeT AZ

1980MAR251854 NJ, HAINESBURGPQN eF'~ 18 54 37. 1 B!I:.m 282d~LVNJ epg 18 54 40.5 29 !I:. IJ' 135d~GPD eP~ 18 54 43.6 45!1:.m 86d~RAMA epg 18 54 46.6 67!1:.m 80d~TBR eP~ 18 54 46.7 6711:.ITI 76d~

TABLE 4

FORESHOCKS, AFTERSHOCKS, AND MICRO-EARTHQUAKES

DATE ARRIVAL-TIME STATION04 JAN 1306 ElML04 JAN 1333 ElML05 JAN 1615 ElML05 JAN 1705 ElML11 JAN 0155 ElML16 JAN 2029 BML17 JAN 101434. WPR17 JAN 103643. WPR17 JAN 135206. WPR17 JAN 200935. WF'R18 JAN 103634. WF'f(18 JAN 213957. WPR19 JAN 204337. WPR20 JAN 0615 BML21 JAN 1318 JKM22 JAN 133744. WPR22 JAN 180744. WPR23 JAN 100336. WPR05 FEEl 0421 LNX24 FEEl 1031 ElML25 FEEl 073245. MD225 FEEl 091130. MD227 FEEl 1447 ElML01 MAR 1520 ElML02 MAR 1655 ElMl.02 MAR 1736 BML02 MAR 1818 BML02 MAR 1934 BML02 MAR 1946 BML13 MAR 0807 LNX20 MAR 052629. JKM21 MAR 092404. WPR

MAGN0000-00

-:~

0:::

..--',

0:::

0..0'0

0:::

.'""

.;::

.::-

.""00"

'0

o:~

0:::

.:",

.:::

.:~

00",

0:::

-:00,

.:"0,

-::0

.::'

.:.

0:::

,0"

...'-,

,::0

0""

..'.'.

0::.

0::0

LOCATIONBLUE MOUNTAIN LAKE, NYBLUE MOUNTAIN LAKE, NYBLUE MOUNTAIN LAKE, NYBLUE MOUNTAIN LAKE, NYBLUE MOUNTAIN LAKE, NYBLUE MOUNTAIN LAKE, NYPEEKSKILL, NYPEEKSKILL, NYPEEKSKILL, NYPEEKSKILL, NYPEEKSKILL, NYPEEKSKILL, NYPEEKSK I L_L, NYBLUE MOUNTAIN l_AKE, NYJACKMAN, MEPEEKSKILL, NYPEEKSKILL, NYPEEKSKILL, NYLENOX, MABLUE MOUNTAIN LAKE, NYMOODUS, CTMOODUS, CTBLUE MOUNTAIN LAKE, NYBLUE MOUNTAIN LAKE, NYBLUE MOUNTAIN LAKE, NYBLUE MOUNTAIN LAKE, NYBLUE MOUNTAIN L.AKE, NYBLUE MOUNTAIN LAKE, NYBLUE MOUNTAIN LAKE, NYL.ENOX, MAJACKMAN, MEPEEKSKIL.L, NY

ITUDE

1

1

1

11

1

11

1

11

1

11

1

t1

1

1.1

111

1

11

1

11

1

11

TABLE 5

SUSPECTED AND POORLY LOCATED EARTHQUAKESNORTHEASTERN UNITED STATES AND ADJACENT REGIONS

JANUARY - MARCH1980

1980JAN021951 HE. NW OF PLEASANT BAY*WES 19 5155 44.7N 67.8W OR 0.06

EHH eP~ 19 51 59. 3 25~.m 69d~EHH eS~ 19 52 02. 4 25~.IT' 69d~POO eS~ 19 52 08.0 45k.IT' 34d~POI eS~ 19 52 08.4 46k.IT' 53d~

86 32 16 1.1Hc:O.90Hc

1.24Hc

64 21 1.2Mn 1.1Mc1.09Mc

41980JAN10 0450 RI, N OF WESTERLY*WES 04 50 37 41.5N 71.8W OR 0.41

HD2 eP~ 04 50 45.4 53\1:.m 277d~MD2 eS 04 50 53. 8 53\1:.~ 277d.MD3 eS 04 50 54.0 56\1:.m 274d.MD1 eS 04 50 54.9 56\1:.m 279d.MD4 eS 04 50 55.6 59\1:.m 273d~HDH.S 04 50 56.6 60~.m 271d~

5ml.J O.4sec 1.18Hn

5mu 1.33HnO.4sec

1980JAN21 2251 PO, S OF L.A POCATIERE*WES 22 51 30 47.3N 70.0W OR 0.14

D6A eP~ 22 51 37.8 43km 118d.D6A eS. 22 51 43.2 43km 118d.D2A eS~ 22 51 49.8 66~.m 104d.D1A eP~ 22 51 42.5 72~.m 109d~D1A eS. 22 51 51. 2 72~.1ft 109d~

26 12.6 1.2Mc1.14Mc

23

1.2BMc

t980FEB010522 S OF GEORGES BANK*WES 05 22 23 ~O.~N 66.tW OR 0.80

WES ePn 05 23 29.8 48711:.m 298d~WES eSn 05 24 19.0 48711:.m 298d~EMH ePn 05 23 29.9 49tk~ 3~7d~EHH eSn 05 2~ 17.8 49tll:.~ 347d~pat ePn 05 23 31.5 50611:.m 3~9d~BPH ePn 05 23 33.8 5t5knl 336d~TRH ePn 05 23 36.8 545k. 323d~HIH ePn 05 23 ~2.5 585k~ 337d~GOB ePn 05 23 50.6 66611:,m 28td~DBH ePn 05 23 5t.0 67tkm 281d~D1A ePn 05 2~ 05.0 774~.m 343d~

122 29 14.5 3.0Hn 3.4Hc

19m1J O.2sec 3.09Hn

18",I.J18mu

O.2secO.2sec

3.04Hn2.96Hn

3.49Hc3.32Hc3.51Hc3.46Hc12mu O.2sec 2.73Hn

OR 0.21129d~129d.-147d.-267d~

Od~

6230mu12mlJ33lrllJ

7mlJ

9mlJ

7.80.75ec0.55ec0.65ec0.45ec0.45&C

4.0 1.7Hn 1.6Hc1.79Hn1.64Hn 1.52Hc2.02Hn 1.60Hc1.53Hn 1.61Hc1.74Hn 1.69Hc

1980FEB041845 HE, JUNIOR LAKE*WES 18 45 30 45.3N 68.0W

POO eS.. 18 45 45.6 531t:.mPOl eS.. 18 45 50.3 68kmEHH eS.. 18 45 51.4 73kmHIH eS.. 18 45 54.2 82 It:. IY'HNHE eS.. 18 45 58.5 971t:.IY'

TABLE 5 (Continued) 2 of 3Page

1980FEB041915 HE, S OF HT KATAHDIN*WES 19 15 36 45.6N 68.8W OR 0.34

HIH eP~ 19 15 42. 6 43~.m 211d~HIH eS~ 19 15 48.8 43km 211d~HNHE eSs 19 16 01.3 88knl 43d~HKH eS* 19 16 11.0 124km 214d~EHH eS* 19 16 14.6 1371<.m 133d~

119 18 7.2 1.7Mn 1.5Mc1.48Mc

4mlJ3mlJ

O.2secO.2sec

1.77Hn1.63Hn

1980FEB050353 HE, N OF CRAWFORD LAKE*WES 03 53 13 45.1N 67.6W OR 0.03

PGO ePs 03 53 16. 5 20~."1 149dsPGO eSs 03 53 19. 1 20~.m 149dsPO1 ePs 03 53 18.8 34~.m 141dgPG1 eSg 03 53 23. 0 34~.m 141dsHIH eSs 03 53 45.9 114~.m 276ds

39 5.0 0.8 1.5Hn 1.5Hc

1.51Mc

2mlJ 0.25ec 1.46Mn

786mlJ

28O.lsec

6.4 2.1Hn 2.1Hc2.22Hn 2.03Hc

1980FEB23 0605 NB, SW OF FREDERICTON*WES 06 05 22 45.8N 66.7W OR 0.40

HNHE eP~ 06 05 40.1 104k.m 292d~HNHE eS~ 06 05 52.0 1 04k.m 292d~POO eP~ 06 05 40.6 109k.RI 212d~POO eS~ 06 05 54.3 109k.m 212d~POl eP~ 06 05 40.6 112~,m 205d~PO1 eS~ 06 05 54.3 112k.m 205d~HIH e** 191k.m 251d~

6 ITI IJ O.l..c 2.25Hn 2.17Hc

6 "I I.J 2.23Hn 2.11McO.lsec

2m...! O.lsec 1.73Hn

1980FEB25 0855 CT, SE OF MOODUS*WES 08 55 36 41.5N 72.4W OR 0.19

MD2 eP 08 55 36. 1 2k.m 327dsMD3 eP 08 55 36.9 4k.m 256d~MD1 eF' 08 55 37.2 61<.m 317dsMD4 ePs 08 55 37.3 8k.m 259dsMD4 eSs 08 55 38.4 8k.m 259d~

113 29 7.3 <1.0Hc

1980FEB29 0024 ON, BURLINGTON*EPB 00 24 31 43.4N 79.8W

BUO ePs 00 24 30.7

FELT1 1.5"1

1980MAR061046 PG, SW OF LA MALBAIE*WES 10 46 60 47.6N 70.4W OR 0.03

D2A eP~ 10 47 16.8 104k.m 119dSD3A eP~ 10 47 17.0 105~.m 121d~D1A eF'~ 10 47 18.0 111"..m 121dSD1A eS~ 10 47 31.6 111k.1T1 121dS

43 211 13.5 2.2Hc2.53Hc2.10Hc1.83Hc

1980MAR070254 PO, SE OF LA MALBAIE*WES 02 54 14 47.6N 69.9W OR 0.20

D6A egg 02 54 32.3 63k.m 151dSD3A ePs 02 54 26.8 78k.m 135dSD3A egg 02 54 36.3 78kn, 135dSD1A ePs 02 54 28.1 84k.n, 134dSD1A egg 02 54 38.5 84~.m 134dS

72 36 14.0 1.9Hc

1.93Mc

DISTRIBUTION

RecipientNo.--

Jerry HarbolJr, Chief, Site Safety ResearchBrarlch, Nuclear Resulatory Commission

30 Dr.

30 Dr. Paul W. Pomerow. Coordinator NEUSSN

M. Nafi To~.soz, Massachusetts Instit.IJte ofTechnolos,=,

5 Dr.

Yash P. A~~arwal, La"lorlt-Dohert~ Geolo~icalObservator~

Dr.5

Shelton S. Ale>:ander, Per.nsylvar.is StateUniversit~

5 DJ'.

Kerl WoodrlJff, Delaware Geolosical Survew5 Mr.

5 Earth Ph~$iC$ Branch, Canada

1 Consol idated Edison of New Yor~.

W.ston Observator~ Librar~1

1 File

N West.or. Observatory, Boston Coll...