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STATE OF CALIFORNIA - GRAY DAVIS, GOVERNOR

CALIFORNIA GEOLOGICAL SURVEY JAMES F. DAVIS, STATE THE RESOURCES AGENCY - MARY D. NICHOLS, SECRETARY CALIFORNIA DEPARTMENT OF CONSERVATION - DARRYL YOUNG, DIRECTOR MAP SHEET 54 SIMPLIFIED FAULT ACTIVITY MAP OF CALIFORNIA

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SIGNIFICANT EARTHQUAKES AND FAULT RUPTURES IN CALIFORNIA Map No 1 2 2' 3 4 Earthquake Date and Fault (Location) 1812 San Andreas (Wrightwood), 12/8 1812 (Santa Barbara Channel), 12/21 1812 San Andreas (Alternate location proposed by Toppozada and others, 2002) 1838 San Andreas 1853 San Andreas (Lonoak) (Toppozada & others, 2002) 1857 San Andreas (Fort Tejon) 1861 Calaveras (Dublin) 1865 (Santa Cruz Mtns.) 1868 Hayward 1872 Owens Valley 1872 Owens Valley 1873 (Crescent City) 1890 San Andreas (San Juan Bautista) 1892 Unnamed (Allendale) 1898 Rodgers Creek? (Mare Island) 1898 (Mendocino) 1899 San Jacinto 1901 San Andreas (Parkfield) 1906 San Andreas 1911 Calaveras (Morgan Hill) 1918 San Jacinto 1918 (Eureka) 1922 (Eureka) 1922 San Andreas (Cholame) 1923 (Cape Mendocino) 1927 (Lompoc) 1933 Newport-Inglewood (Long Bch.) 1934 San Andreas (Parkfield) 1940 Imperial 1941 (Cape Mendocino) 1942 (Fish Creek Mtns.) 1947 Manix (Mojave Desert) 1950 Fort Sage 1952 Superstition Hills 1952 White Wolf 1954 (East of Arcata) 1966 Imperial 1966 San Andreas (Parkfield) 1966 Unnamed (Truckee) 1968 Coyote Creek (Borrego Mtn.) 1971 San Fernando 1975 Galway Lake 1975 Cleveland Hill 1975 Brawley 1978 Stephens Pass 1979 Homestead Valley 1979 Johnson Valley 1979 Calaveras (Coyote Lake) 1979 Imperial, Brawley, Rico 1980 Greenville 1980 Hilton Creek 1980 (Eureka) 1982 Little Lake 1983 Nunez (Coalinga) 1984 Calaveras (Morgan Hill) 1986 So. Branch San Andreas 1986 White Mountains (Chalfant) 1987 (Whittier Narrows) 1987 Elmore Ranch 1987 Superstition Hills 1989 San Andreas (Loma Prieta) 1992 (Petrolia) 1992 (Cape Mendocino) 1992 (Cape Mendocino) 1992 Johnson Va., Homestead Va., Emerson, Camp Rock, Eureka Pk., Burnt Mtn. (Landers) 1992 (Big Bear) 1994 Northridge (Northridge) 1999 Lavic Lake, Bullion (Hector Mine) Mag. ~7.3 ~7.1 ~7.1 ~7.4 ~6.0 7.9 5.8 6.5 7.0 7.4 6.8 6.9 6.3 6.6 6.4 ~6.7 6.7 6.4 7.8 6.4 6.8 6.5 7.3 6.3 7.2 7.1 6.4 6.0 7.0 6.6 6.4 6.5 5.6 5.8 7.3 6.6 3.6 6.0 6.0 6.6 6.6 5.2 6.1 4.7 4.6 4.9 5.3 5.7 6.5 5.8 6.2 7.4 5.2 6.4 6.2 6.0 6.4 6.0 6.2 6.6 6.9 7.2 6.6 6.6 7.3 6.5 6.7 7.1 Surface Rupture 15 + mi (offshore) 45 ± mi 36 ± mi * 200 ± mi 8 ± mi * 30 ± mi 60 ± mi * * 5 ± mi 1 mi ? * (offshore) 2 (?) mi "several mi" 270 mi * * (offshore) (offshore) 0.25 (?) mi (offshore) (offshore) * 2 mi 40 ± mi (offshore) * 1 mi 5.5 mi 2 ± mi 33 mi * 6 mi 23 mi 10 mi 19 mi 9.5 mi 4.2 mi 3.4 mi 6.5 mi 1.2 + mi 0.22 mi 0.9 mi 23.4 mi ? 18; 7.8; .6 mi 3.9 mi 12 mi (offshore) 6 mi 2 mi 0.72 mi? 5.4 mi 7.8 mi * (blind thrust) 7.2 mi 16.8 mi 0.6 mi * (blind thrust ?) (offshore) (offshore) 53 mi * * (blind thrust) 30 mi

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21

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ttl e

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G 35

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24

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Sa lm on

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Zo ne

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R uss

Fa L ul t

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au lt

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G 15

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Faul t

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ault

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S an

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De ep S

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pri ngs F

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Pa lo

Co lora do F

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K ern Canyon

Faul t

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50 0 100 K m

1 0 0 MI L E S

50

Faul t

Cany on

(1:2,500,000)

K ern

Geologic T ime

Historic

Fault Symbol

Y ears B efore Present

R ecency of Movement

Description Historic ground ruptures, including creep. Holocene displacement Pleistocene faults. Many faults in Sierra Nevada shown as pre-Quaternary may be late Cenozoic. Faults without recognized Quaternary displacement. Not necessarily without future activity potential.

Fa ul t

QU A T E R N A R Y

Holocene

200

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25

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ault

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Pacifi co Fault

?

L B ig Pine Mtn. Fault

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Santa Y nez Fault

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P l ei stocene

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?

Santa Cru z

Santa R osa Island Fault

Island Fau lt

PR E -QUA T E R NA R Y

1,600,000

G

20

an J

R ef erences C i ted D ePol o and others, 1996, Pl anni ng scenari o f or a maj or earthquake i n W estern N evada, N evada B ureau of M i nes and G eol ogy, S peci al Publ i cati on 20. G oter and others, 1994, E arthquakes i n C al i f orni a and N evada: U . S . G eol ogi cal S urvey O pen-F i l e R eport 94-647, scal e 1: 1, 000, 000.

nC Sa

Zo ne

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4.5 billion (Age of earth)

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E ls ino r

o ad ron Co

e

Fa ult

Zo ne

Faults shown solid where well located or strongly inferred (including offshore faults); faults dotted on land where concealed; barbs indicate upper plate of thrust faults.

T oppozada and others, 1981, Preparati on of i sosei smal maps and summari es of reported ef f ects f or pre-1900 C al i f orni a earthquakes: C al i f orni a D i vi si on of M i nes and G eol ogy O penF i l e R eport 81-11, 182 p. T oppozada and others, 2002, S an A ndreas F aul t Z one, M ³ 5. 5 earthquake hi story, B ul l eti n S ei smol ogi cal S oci ety of A meri ca, i n press.

C opyri ght © 2002 by the C al i f orni a D epartment of C onservati on. A l l ri ghts reserved. N o part of thi s publ i cati on may be reproduced wi thout wri tten permi ssi on of the C al i f orni a D epartment of C onservati on. T he C al i f orni a D epartment of C onservati on makes no warranti es as to the sui tabi l i ty of thi s product f or any parti cul ar purpose.

C O M E X I

Selected epicenters - mostly ³M 6.5. Pre-1933 earthquakes estimated from intensity. L ocations (and magnitude) mostly from Goter and others, 1994, and T oppozada and others, 1981.

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S I M P LI F IED FA U LT A C TIV I TY M A P O F CA LIF O RN I A

Compiled by Charles W. Jennings and George J. Saucedo

1999 (Revised 2002, Tousson Toppozada and David Branum)

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ac i nt oF

au lt

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a Mal ibu F. onic ta M S an

nP Sa

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40

F

Si erra M adre Fault ault

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Pi nto

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Mtn. Flt.

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64

B lue Cut Fault

Wh itti e r

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n Sa

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F au lt

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16

A li so

G S

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A

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G 39 G

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lt F au

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ion F. L anac

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lF ria pe Im

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1892 M7

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1852 M 6.5

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Digital Representation by Richard R. Moar and Jerry Wampole

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O ak

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Fault

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San Gabriel

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ault ge F R id

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s

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10,000

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Cu yam aF

ault eF L Pin

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Pleito Fault

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So uth

Mo rale sF

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E X PL A NA T I ON

ta L S an uci a

La

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Pa nz a

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W W e hit

olf

ult Fa

F ck rl o Ga ault

Lo ck ha rt F

au lt

ault

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ul t ix Fa M an G

Ca m pR

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Et se lR

id ge F

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Mendocino Fault

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th F S ou

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CALIFORNIA GEOLOGICAL SURVEY

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F ork

e V all Surpris

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ault

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a cadi L C asL

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ey Fault

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F gan G ro

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CONSERVATION

C A LIFOR N IA

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le C B att

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kF ree

ault

1915 Pleasant V alley G M 7.3

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32

40 O

L ocation questionable (T oppozada & others, 1981; DePolo & others, 1996)

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B ig

Camel B en d F au lt

M

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oh aw kF

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au lt

1860 M 6.5

42

38

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Olinghouse

1954 Stillwater M 6.8 1954 R ainbow Mtn. G M 6.8

1954 Dixie V alley M 6.8

G

1903 Wonder

G M 6.4

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1869

1867 M 6.5G

G

1954 Fairview Peak M 7.1

39 O

1954

13

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d lan M id

t ult Fa y Faul V al le ard G reen yw Ha

1934 E xcelsior Mtn.

1932 Cedar Mtn.

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lt au

Sh oo

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Fl

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nF ckto S to

ault

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Mono Craters Caldera

38 O

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49

V er na lis Fa ul t

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8 54 3

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lt F au il le env ault G re sF era lav Ca

L ong V alley Caldera

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56

M tns.

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t ul Fa

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T wi n

ault

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ti on duc S ub

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H at

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Si sters

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C reek

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Si sk iy

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Faul t

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F ault

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L ul t ou Fa L

lt C Sa

N E V A D A

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e Z on

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kF ree

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ault

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dM Re

M ico Ch

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e ak

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Z ult Fa

Corning Fault

in nta ou ult Fa

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eF cli n ono

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e on

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W il Z ult s Fa low

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ault

Foothills Fault System Peak Fault

rtl Ba

ma aca Ma

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ett gs rin Sp L

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one

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Fault Melones

ult Fa

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lt F au

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nA Sa sF rea nd

Melones Fault

zer eit Sw

n iga nn lt. D u il ls F H ult Fa

W il

A C I F I C

sF low

Genoa Fault

System M Foothills Fault r B ea

lt au

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Z ault one

Calaveras

C ers dg Ro

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ault es F lon ult Me s Fa tain oun

kF ree ault

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nA Sa

i nt Po

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es L L ey R

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sF rea nd

Fault

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st ru Th L

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W hite

nJ Sa

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7

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in qu oa Z ult Fa e on

Faul t

rra S ie N ev

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G S arg 47 Za en ya tF nt au eF lt au lt S an An 12 dr ea sF au lt

li z Re

* Surface rupture either not observed or not recorded.

ath De

li ta iga Ort

o gori G re

F ada

10

G

37 O

s O wen e Z on ault

ult Fa

L

lt F au

9

ter H un

y ll e Va

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L

G

y Faul V al le

M tn . Fa ult

NOTE: No pre-Quaternary faults shown in Nevada, Oregon, or Mexico.

Fault

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r Su

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ult vada Fa Sierra Ne

ult Fa

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al t ha m

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Ca ny on F

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ri sg ult H o Fa

L L

A sh H ill

nt V Panami

116 O 36 O

Sy m ste

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t Faul

t ul Fa ne Zo

L L

Na ci m i en to F

17 27 37

au lt

L

ult all ey Fa

aF nd co R in lt au

Zone

L

W il

23

sF rea nd

son C

any on

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au lt

F au lt

nA Sa

Zo ne

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ul t ck Fa Garlo

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F.

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F sgri Ho Z ault one

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L L

nF Jua ault

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rF ate ckw B la ault

st H Ea

lt k F au B an

31 67

w dlo Lu

35 O

F na uas ault

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dF oo nw Le

oF lic Ca

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G S an A

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oc kF

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F on ers Em

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lt au

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L L

au lt

lF ri e ab lt au

ult Fa

ult Fa

ault

1

N. Frontal Fault

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F ino Ch

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I te en l em

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F as re nd

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C te yo Co ek re F.

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F nd sl a lt au

S an ugh T ro go D ie

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lt F au

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