colorado's earthquake and fault map -...
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WELD
MOFFAT
MESA
BACA
PARK
YUMA
LAS ANIMAS
ROUTT
GUNNISON
LINCOLN
LARIMER
GARFIELD
PUEBLO
BENT
SAGUACHE
KIOWA
LOGAN
RIO BLANCO GRAND
EL PASO
EAGLE
ELBERT
MONTROSE
LA PLATA
DELTA
WASHINGTON
OTERO
KIT CARSON
JACKSON
ADAMS
CHEYENNE
PROWERS
MONTEZUMA
FREMONT
PITKIN
MORGAN
HUERFANO
CONEJOSCOSTILLA
HINSDALE
ARCHULETA
DOLORES
CHAFFEE
SAN MIGUEL
MINERAL
CUSTER
DOUGLAS
CROWLEY
PHILLIPS
OURAY
LAKE
TELLER
ARAPAHOE
RIO GRANDE
SEDGWICK
SAN JUAN
GILPIN
SUMMIT
BOULDER
ALAMOSA
JEFF
ERSO
N
CLEAR CREEK
DENVER
BROOM
FIELD
AURORA
DENVER
COLORADO SPRINGS
PUEBLO
ARVADA
LAKEWOOD
GREELEY
THORNTON
FORT COLLINS
BOULDERBRIGHTON
ERIE
PARKER
BROOMFIELD
GRAND JUNCTION
CASTLE ROCK
LOVELAND
COMMERCE CITY
LONGMONT
FOUNTAIN
WINDSOR
SNOWMASS VILLAGE
SILVER CLIFF
LITTLETON
VAIL
GOLDEN
AVON
CANON CITY
MONTROSE
DELTA
FRUITA
SILT
CRAIG
MEAD
ORCHARD CITY
RIFLE
CORTEZ
DACONO
LAMAR
TRINIDAD
FIRESTONE
WINTER PARK
MILLIKEN
FREDERICK
STERLING
DURANGO
EVANS
WRAY
RANGELY
LARKSPUR
STEAMBOAT SPRINGS
MEEKER
NORTHGLENN
ESTES PARK
YUMA
ASPEN
BRUSH
FLORENCE
ALAMOSA
MONUMENT
HAYDEN
GYPSUM
SALIDA
BRECKENRIDGE
WOODLAND PARK
LA JUNTA
GUNNISON
NUNN
FORT LUPTON
FORT MORGAN
LIMON
BUENA VISTA
WILLIAMSBURG
FRISCO
PAGOSA SPRINGS
BLANCA
GLENWOOD SPRINGS
PALMER LAKE
EATON
FRASER
BLUE RIVER
BENNETT
AKRON
GRANBY
MOFFAT
SEVERANCE
BASALT
WALSENBURG
LA VETA
RIDGWAY
MANITOU SPRINGS
HUDSON
HUGO
JOHNSTOWN
LYONS
SANFORD
EAGLE
CEDAREDGE
BURLINGTON
RICO
CARBONDALE
LONETREE
AULT
OLATHE
MINTURN
BERTHOUD
NEW CASTLE
ROCKY FORDOURAY
HOLLY
PALISADE
KREMMLING
LAS ANIMAS
NEDERLAND
ELIZABETH
PAONIA
NUCLA
LEADVILLE
MANASSA
PARACHUTE
CENTER
WIGGINS
ROCKVALE
OTIS
BAYFIELD
ORDWAY
SIMLA
WELLINGTON
WESTCLIFFE
KIM
EADS
CALHAN
LOCHBUIE
WARD
HASWELL
RAYMER
FAIRPLAY
PIERCE
LAKE CITY
DEER TRAIL
PLATTEVILLE
DEL NORTE
LA SALLE
GRAND LAKE
BRANSON
HAXTUN
GRANADA
FLAGLER
DOLORES
GILCREST
KIOWA
SILVERTON
MANCOS
DINOSAUR
TELLURIDE
WALSHSPRINGFIELD
CRIPPLE CREEK
ARRIBAALMA
GEORGETOWN
PONCHA SPRINGS
PAOLI
ECKLEY
HOTCHKISS
GROVER
ILIFF
KERSEY
BOONE
SAN LUIS
AGUILAR
FLEMING
SWINK
KIT CARSON
BONANZA
GENOA
LA JARA
WILEY
ANTONITO
VICTOR
JAMESTOWN
CRESTED BUTTE
DOVE CREEK
PITKIN
CREEDE
WALDEN
VONA
OVID
DEBEQUE
YAMPA
SAGUACHE
KEENESBURG
MARBLE
EMPIRE
PEETZ
SUGAR CITY
HARTMAN
SEDGWICK
IGNACIO
COLLBRAN
HOOPER
HOT SULPHUR SPRINGS
CROOK
OAK CREEK
CROWLEY
RYEOPHIR
VILAS
CRESTONE
RED CLIFF
CRAWFORD
MANZANOLA
PRITCHETT
SHERIDAN LAKE
CHERAW
TWO BUTTES
CAMPO
MERINO
NORWOOD
COKEDALESTARKVILLE
MONTEZUMA
WESTMINSTER
LOUISVILLELAFAYETTE
WHEAT RIDGE
ENGLEWOOD
SUPERIOR
DILLON
SILVERTHORNE MORRISON
HOLYOKE
MONTE VISTA
BLACK HAWK
FOXFIELD
JULESBURG
FEDERAL HEIGHTS
CENTRAL CITY
NAT URITA
FOWLER
EDGEWATERIDAHO SPRINGS
CHEYENNE WELLS
GLENDALE
STRATTONSEIBERT
GREEN MOUNTAIN FALLS
RAMAH
ROMEO
HILLROSE
TIMNATH
SILVER PLUME
BETHUNE
OLNEY SPRINGS
LOG LANE VILLAGE
GARDEN CITY
SAWPIT
C O L O R A D O ' S E A R T H Q U A K E a n d F A U L T M A PC O L O R A D O ' S E A R T H Q U A K E a n d F A U L T M A P
0 10 20 30 40 505Miles
0 20 40 60 8010Kilometers
Approximate location of pre-instrumentalearthquake epicenters (~1867 to 1961). Squaresize indicates the maximum Modified Mercalli intensity for the earthquake (see back of map for intensity scale).
Map Compilation byMatthew L. Morgan,
Colorado Geological Survey,2006-2007
S a n g r e d e C r i sto f a u l t
S a n g r e d e C r i sto f a u l t
Sawatch faul tSawatch faul t
Instrumentally located epicenters (~1962 to 2006)Size of dot indicates magnitude.
EARTHQUAKE EPICENTERS
3-3.9
5-5.54-4.9
VII")
VI")
V")
IV")
I-III")
C h
e r aw f
a u lt
_̂1882 Earthquake; magnitude estimated at 6.6 +/- 0.6 (Spence and others, 1996)
QUATERNARY FAULTSGeologically young faults that displace sediments or rocks deposited during the Quaternary Period
(approximately past 2 million years).Known or suspected fault displacement of late Quaternary deposits (approximately past 130,000 years)Known or suspected fault displacement ofmiddle to early Quaternary deposits(approximately past 130,000 to 2 million years old)
Permanent Seismic Stations -Includes four seismographs currentlyoperated by the U.S. Geological Surveyas part of the Advanced National SeismicSystem.
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37° N
103° W
105° W
109° W37°0'0"N
39° N
41° N 107° W109° W
105° W 103° W 41° N
39° N
38° N
W Y O M I N G N E B R A S K A
KA
NS
AS
O K L A H O M AN E W M E X I C O
UT
AH
107° W
Showing Locations of Historical Earthquakes and Known or Suspected Geologically Young Faults108° W
106° W 104° W
40° N
104° W106° W108° W
38° N
40° N
1:1,150,000Scale
This map does not meet U.S. National Map Accuracy Standards and is intended
for general reference only.
DATA SOURCESEarthquake epicenters:
U.S. Geological Survey; Colorado Geological Survey; Kirkham and others, 2004; Kirkham and Rogers, 2000
Faults: Colorado Geological Survey; Widmann and others, 1998
Seismic Stations:U.S. Geological Survey
Cities and Towns
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