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Home , 1755 Cape Ann earthquake, 1868 Hawaii earthquake, 1916 Irondale earthquake, 1935 Helena earthquake, Brawley seismic zone, Rat Islands

Historic http://earthquake.usgs.gov/regional/states/historical_state.php#

Earthquake Hazards Program

Historic United States Earthquakes

Sorted by State & Date United States Earthquakes sorted by All earthquake dates are UTC, not local time. Date Magnitude • • Arizona • Arkansas • California • Cascadia Subduction Zone • State & Date Colorado • Connecticut • Delaware • Florida • Georgia • • Idaho • Illinois • State & Magnitude Indiana • Iowa • Kansas • Kentucky • Louisiana • Maine • Maryland • • Largest by State Michigan • Minnesota • Mississippi • Missouri • • Nebraska • Nevada • • New Jersey • New Madrid • New • New York • North Carolina • Worldwide Earthquakes North Dakota • Ohio • Oklahoma • Oregon • Pennsylvania • Rhode Island • South sorted by Carolina • South Dakota • Tennessee • Texas • Utah • Vermont • Virginia • Date Washington • West Virginia • Wisconsin • Wyoming Magnitude Alabama Magnitude 6.0 and Greater Country & Date 1916 10 18 - Irondale, Alabama - M 5.1 Country & Magnitude 2003 04 29 - Alabama - M 4.6 2004 08 19 - Alabama - M 3.6

Alaska

1899 09 04 - Cape Yakataga, Alaska - M 7.9 1899 09 10 - Yakutat Bay, Alaska - M 8.0 1899 09 23 - Copper River delta, Alaska - M 7.0 1900 10 09 - Kodiak Island, Alaska - M 7.7 1901 12 31 - Cook Inlet, Alaska - M 7.1 1904 08 27 - Fairbanks, Alaska - M 7.3 1908 05 15 - Gulf of Alaska - M 7.0 1910 09 09 - Rat Islands, , Alaska - M 7.0 1912 07 07 - Paxson, Alaska - M 7.2 1927 10 24 - Southeast Alaska - M 7.1 1929 03 07 - , Aleutian Islands, Alaska - M 7.8 1934 05 04 - Chugach Mountains, Alaska - M 7.1 1937 07 22 - Central Alaska - M 7.3 1938 11 10 - Shumagin Islands, Alaska - M 8.2 1943 11 03 - Skwenta, Alaska - M 7.4 1946 04 01 - , Alaska - M 8.1 Fatalities 165 1947 10 16 - Wood River, Alaska - M 7.2 1953 01 05 - , Alaska - M 7.1 1957 03 09 - , Alaska - M 8.6 1957 03 09 - Fox Islands, Alaska - M 7.1 1957 03 12 - Andreanof Islands, Alaska - M 7.0 1957 03 14 - Andreanof Islands, Alaska - M 7.1 1957 03 16 - Andreanof Islands, Alaska - M 7.0 1958 04 07 - Huslia, Alaska - M 7.3 1958 07 10 - Lituya Bay, Alaska - M 7.7 Fatalities 5 1964 03 28 - Prince William Sound, Alaska - M 9.2 Fatalities 128

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1965 02 04 - Rat Islands, Alaska - M 8.7 1965 03 30 - Rat Islands, Alaska - M 7.3 1966 08 07 - Rat Islands, Alaska - M 7.0 1972 07 30 - Sitka, Alaska - M 7.6 1975 02 02 - Near Islands, Alaska - M 7.6 1979 02 28 - Mt. St. Elias, Alaska - M 7.5 1986 05 07 - Andreanof Islands, Alaska - M 7.9 1987 11 30 - Gulf of Alaska - M 7.8 1988 03 06 - Gulf of Alaska - M 7.7 1996 06 10 - Andreanof Islands, Alaska - M 7.9 2002 02 06 - near Knik, Alaska - M 5.3 2002 10 23 - Denali, Alaska - M 6.7 2002 11 03 - Denali , Alaska - M 7.9 2003 02 19 - Unimak Island Region, Alaska - M 6.6 2003 03 17 - Rat Islands, Aleutian Islands, Alaska - M 7.1 2003 06 23 - Rat Islands, Aleutian Islands - M 6.9 2003 11 17 - Rat Islands, Aleutian Islands, Alaska - M 7.8 2004 06 28 - Southeastern Alaska - M 6.8 2005 06 14 - Rat Islands, Aleutian Islands, Alaska - M 6.8 2006 07 27 - Southern Alaska - M 4.8 2007 08 02 - Andreanof Islands, Aleutian Islands, Alaska - M 6.7 2007 08 15 - Andreanof Islands, Aleutian Islands, Alaska - M 6.5 2007 12 19 - Andreanof Islands, Aleutian Islands, Alaska - M 7.2 2007 12 26 - Fox Islands, Aleutian Islands, Alaska - M 6.4 2008 04 16 - Andreanof Islands, Aleutian Islands, Alaska - M 6.6 2008 05 02 - Andreanof Islands, Aleutian Islands, Alaska - M 6.6

Arizona

1959 07 21 - Arizona - Utah Border - M 5.6

Arkansas

1811 12 16 - New Madrid Region - M 8.1 Fatalities Several 1811 12 16 - New Madrid Region 1843 01 05 - Northeast Arkansas - M 6.3 2003 04 30 - Blytheville, Arkansas - M 4.0 2005 02 10 - Arkansas - M 4.1 2005 05 01 - Arkansas - M 4.2

California

1812 12 08 - Southwest of San Bernadino County, California - M 6.9 Fatalities 40 1812 12 21 - West of Ventura, California - M 7.1 Fatalities 1 1836 06 10 - South San Francisco Bay region, California - M 6.5 1838 06 - San Francisco area, California - M 6.8 1857 01 09 - Fort Tejon, California - M 7.9 Fatalities 1 1865 10 08 - Santa Cruz Mountains, California - M 6.5 1868 10 21 - Hayward, California - M 6.8 Fatalities 30 1872 03 26 - Owens Valley, California - M 7.4 Fatalities 27 1873 11 23 - California - Oregon Coast - M 7.3 1890 02 24 - Corralitos, California - M 6.3 1892 02 24 - , California - M 7.8 1892 04 19 - Vacaville, California - M 6.4 Fatalities 1 1892 04 21 - Winters, California - M 6.4 1897 06 20 - , California - M 6.3 1898 03 31 - Mare Island, California - M 6.3 1898 04 15 - Mendocino County, California - M 6.8

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1899 04 16 - Eureka, California - M 7.0 1899 12 25 - San Jacinto, California - M 6.7 Fatalities 6 1901 03 03 - Parkfield, California - M 6.4 1906 04 18 - San Francisco, California - M 7.8 Fatalities 3000 1911 07 01 - Calaveras fault, California - M 6.5 1915 06 23 - Imperial Valley, California - M 6.3 Fatalities 6 1918 04 21 - San Jacinto, California - M 6.8 Fatalities 1 1922 01 31 - Eureka, California - M 7.3 1922 03 10 - Parkfield, California - M 6.1 1923 01 22 - Humbolt County, California - M 7.2 1925 06 29 - Santa Barbara, California - M 6.8 Fatalities 13 1926 06 29 - Santa Barbara, California - M 5.5 Fatalities 1 1926 10 22 - Monterey Bay, California - M 6.1 1927 11 04 - Lompoc, California - M 7.1 1932 06 06 - Eureka, California - M 6.4 Fatalities 1 1933 03 11 - Long Beach, California - M 6.4 Fatalities 115 1934 06 08 - Parkfield, California - M 6.1 1940 05 19 - Imperial Valley, California - M 7.1 Fatalities 9 1952 07 21 - Kern County, California - M 7.3 Fatalities 12 1952 08 22 - Kern County, California - M 5.8 Fatalities 2 1954 12 21 - Eureka, California - M 6.5 Fatalities 1 1955 10 24 - Concord, California - M 5.4 Fatalities 1 1957 03 22 - Daly City, California - M 5.3 Fatalities 1 1966 06 28 - Parkfield, California - M 6.1 1966 09 12 - Truckee, California - M 5.9 1969 10 02 - Santa Rosa, California - M 5.7 Fatalities 1 1971 02 09 - San Fernando, California - M 6.6 Fatalities 65 1975 08 01 - Oroville, California - M 5.8 1979 08 06 - Coyote Lake, California - M 5.7 1979 10 15 - Imperial Valley, Mexico - California Border - M 6.4 1980 01 24 - Livermore Valley, California - M 5.8 1980 01 27 - Livermore, California - M 5.8 1980 05 25 - Mammoth Lakes, California - M 6.2 1980 05 27 - Mammoth Lakes, California - M 6.0 1980 11 08 - Humboldt County, California - M 7.2 1983 05 02 - Coalinga, California - M 6.4 1984 04 24 - Morgan Hill, California - M 6.2 1984 11 23 - Round Valley, California - M 5.8 1986 07 08 - North Palm Springs, California - M 6.1 1986 07 21 - Chalfant Valley, California - M 6.2 1987 10 01 - Whittier Narrows, California - M 5.9 Fatalities 8 1987 10 04 - Whittier Narrows, California - M 5.6 Fatalities 1 1987 11 24 - Superstition Hills, California - M 6.5 Fatalities 2 1987 11 24 - Superstition Hills, California - M 6.7 1989 08 08 - Santa Cruz County, California - M 5.4 Fatalities 1 1989 10 18 - Loma Prieta, California - M 6.9 Fatalities 63 1991 06 28 - Sierra Madre, California - M 5.6 Fatalities 2 1991 08 17 - Honeydew, California - M 7.0 1992 04 23 - Joshua Tree - M 6.2 1992 04 25 - Cape Mendocino, California - M 7.2 1992 06 28 - Landers, California - M 7.3 Fatalities 3 1992 06 28 - Big Bear, California - M 6.5 1994 01 17 - Northridge, California - M 6.7 Fatalities 60 1994 09 01 - Cape Mendocino, California - M 7.0 1999 10 16 - Hector Mine, California - M 7.1 2000 09 03 - Napa, California - M 5.0

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2002 03 16 - near Channel Islands Beach, California - M 4.6 2002 05 14 - Gilroy, California - M 4.9 2002 06 17 - Bayview, California - M 5.3 2002 09 03 - Yorba Linda, California - M 4.8 2002 11 24 - Swarm near San Ramon, California - M 3.9 2002 12 24 - Pacifica, California - M 3.6 2003 01 25 - Keene, California - M 4.7 2003 02 02 - Dublin, CA, Swarm - M 4.1 2003 02 22 - Big Bear City, California - M 5.2 2003 03 11 - Twentynine Palms Base, California - M 4.6 2003 05 24 - Brawley, California - M 4.0 2003 05 25 - Santa Rosa, California - M 4.2 2003 05 26 - Seven Trees, California - M 3.8 2003 05 26 - Muir Beach, California - M 3.4 2003 08 15 - Humboldt Hill, California - M 5.3 2003 08 27 - Val Verde, California - M 3.9 2003 09 05 - near Piedmont, California - M 4.0 2003 09 13 - near Simi Valley, California - M 3.4 2003 10 07 - near Imperial Beach, California - M 3.6 2003 10 19 - near Orinda, California - M 3.5 2003 12 22 - San Simeon, California - M 6.6 Fatalities 2 2004 05 30 - Pine Mountain Club, California - M 3.0 2004 09 28 - Central California - M 6.0 2005 05 06 - Central California - M 4.1 2005 06 12 - - M 5.2 2005 06 15 - Off the Coast of - M 7.2 2005 06 16 - Greater Area, California - M 4.9 2005 06 17 - Off the Coast of Northern California - M 6.6 2005 09 02 - Swarm, Southern California - Aug 31-Sep 2 2005 09 22 - Central California - M 4.7 2006 10 20 - Northern California - M 4.5 2007 05 09 - Offshore Northern California - M 5.2 2007 07 02 - Central California - M 4.3 2007 07 20 - San Francisco Bay area, California - M 4.2 2007 08 09 - Greater Los Angeles area, California - M 4.4 2007 10 31 - San Francisco Bay Area, California - M 5.6 2008 04 30 - Northern California - M 5.4 2008 07 29 - Greater Los Angeles area, California - M 5.4

Cascadia Subduction Zone

1700 01 26 - Cascadia Subduction Zone - M 9.0

Colorado

1882 11 08 - Denver, Colorado - M 6.2 1967 08 09 - Denver, Colorado - M 5.3 2006 02 10 - Colorado - M 3.8

Connecticut

1791 05 16 - Moodus, Connecticut

Delaware

1871 10 09 - New Jersey - Delaware border

Florida

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1780 02 06 - Northwest Florida 1879 01 13 - St. Augustine, Florida

Georgia

1914 03 05 - Georgia - M 4.5

Hawaii

1823 06 02 - South flank of Kilauea, Hawaii - M 7.0 1868 03 29 - Ka'u District, Island of Hawaii - M 7.0 1868 04 03 - Ka'u District, Island of Hawaii - M 7.9 Fatalities 77 1871 02 20 - , Hawaii - M 6.8 1929 10 06 - Holualoa, Hawaii - M 6.5 1938 01 23 - , Hawaii - M 6.8 1951 08 21 - Kona, Hawaii - M 6.9 1973 04 26 - Island of Hawaii, Hawaii - M 6.2 1975 11 29 - Kalapana, Hawaii - M 7.2 Fatalities 2 1983 11 16 - Kaoiki, Hawaii - M 6.7 2003 08 27 - Volcano, Hawaii - M 4.7 2005 07 15 - Hawaii region, Hawaii - M 5.3 2005 07 17 - Hawaii region, Hawaii - M 5.1 2006 10 15 - Hawaii region, Hawaii - M 6.7 2007 08 14 - Island of Hawaii, Hawaii - M 5.4

Idaho

1944 07 12 - Sheep Mountain, Idaho - M 6.1 1975 03 02 - Eastern Idaho - M 6.2 1983 10 28 - Borah Peak, Idaho - M 6.9 Fatalities 2 2003 09 22 - Rathdrum, Idaho - M 3.3

Illinois

1909 05 26 - Aurora, Illinois - M 5.1 1968 11 09 - Southern Illinois - M 5.4 1987 06 10 - Near Olney, Illinois - M 5.1 2004 06 28 - Illinois - M 4.2 2006 01 02 - Illinois - M 3.6 2008 04 18 - Illinois - M 5.2

Indiana

1909 09 27 - Wabash River Valley, Indiana - M 5.1 2002 06 18 - Darmstadt, Indiana - M 4.6

Iowa

1905 04 13 - Iowa

Kansas

1867 04 24 - Manhattan, Kansas - M 5.1

Kentucky

1980 07 27 - Maysville, Kentucky - M 5.2 2003 06 06 - Western Kentucky - M 4.0 2004 09 17 - Eastern Kentucky - M 3.7

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Louisiana

1930 10 19 - Napoleonville, Louisiana - M 4.2

Maine

1904 03 21 - Southeast Maine - M 5.1 2006 10 02 - Maine - M 3.8

Maryland

1990 01 13 - Maryland - M 2.5

Massachusetts

1727 11 10 - Northern Cape Ann region, Massachusetts 1744 06 14 - Southern Cape Ann, Massachusetts region 1755 11 18 - Cape Ann, Massachusetts 2003 07 22 - Near the coast of Massachusetts - M 3.6

Michigan

1947 08 10 - Southern Michigan - M 4.6

Minnesota

1975 07 09 - Western Minnesota - M 4.6

Mississippi

1931 12 17 - Charleston, Mississippi - M 4.6

Missouri

1812 01 23 - New Madrid Region - M 7.8 1812 02 07 - New Madrid Region - M 8.0 1895 10 31 - Charleston, Missouri - M 6.6

Montana

1925 06 28 - Clarkston Valley, Montana - M 6.6 1935 10 12 - Helena, Montana - M 5.9 1935 10 19 - Helena, Montana - M 6.3 Fatalities 2 1935 10 31 - Helena, Montana - M 6.0 Fatalities 2 1947 11 23 - Southwest Montana - M 6.3 1959 08 18 - Hebgen Lake, Montana - M 7.3 Fatalities 28 2005 07 26 - - M 5.6 2005 10 31 - Western Montana - M 4.5 2006 03 22 - Western Montana - M 4.2 2007 05 08 - Western Montana - M 4.5

Nebraska

1877 11 15 - Eastern Nebraska - M 5.1 1964 03 28 - Merriman, Nebraska - M 5.1

Nevada

1915 10 03 - Pleasant Valley, Nevada - M 7.1 1932 12 21 - Cedar Mountain, Nevada - M 7.2 1934 01 30 - Excelsior Mountains, Nevada - M 6.5

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1954 07 06 - Fallon-Stillwater area, Nevada - M 6.6 1954 08 24 - Stillwater, Nevada - M 6.8 1954 12 16 - Fairview Peak, Nevada - M 7.1 1954 12 16 - Dixie Valley, Nevada - M 6.8 1992 06 29 - Little Skull Mountain, Nevada - M 5.7 2008 02 21 - Nevada - M 6.0 2008 04 26 - Nevada - M 5.0

New Hampshire

1940 12 20 - Ossipee Lake, New Hampshire - M 5.5 1940 12 24 - Ossipee Lake, New Hampshire - M 5.5

New Jersey

1783 11 30 - New Jersey - M 5.3 1871 10 09 - New Jersey - Delaware border 2003 08 26 - New Jersey - M 3.8

New Madrid

1811 12 16 - New Madrid Region - M 8.1 Fatalities Several 1811 12 16 - New Madrid Region 1812 01 23 - New Madrid Region - M 7.8 1812 02 07 - New Madrid Region - M 8.0

New Mexico

1906 07 12 - Socorro area, New Mexico - Intensity VII 1906 11 15 - Socorro area, New Mexico - Intensity VII 1966 01 23 - Dulce, New Mexico - M 5.1 2005 08 10 - New Mexico - M 5.0 2005 12 19 - New Mexico - M 4.1

New York

1884 08 10 - New York City, New York - M 5.5 1944 09 05 - Between Massena, New York and Cornwall, Ontario, Canada - M 5.8 1983 10 07 - Blue Mountain Lake, New York - M 5.3 2002 04 20 - Au Sable Forks, New York - M 5.1 2002 05 24 - Plattsburgh Aftershock - M 3.6 2002 12 25 - Redford, New York - M 3.3

North Carolina

1916 02 21 - Waynesville, North Carolina - M 5.2

North Dakota

1909 05 16 - North Dakota - M 5.5

Ohio

1884 09 19 - Near Lima, Ohio - M 4.8 1901 05 17 - Near Portsmouth, Ohio - M 4.2 1937 03 09 - Western Ohio - M 5.4 1986 01 31 - Northeast Ohio - M 5.0

Oklahoma

1952 04 09 - El Reno, Oklahoma - M 5.5

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Oregon

1910 08 05 - Oregon - M 6.8 1993 09 21 - Klamath Falls, Oregon - M 6.0 Fatalities 2 2002 06 29 - near Mt. Hood Volcano, Oregon - M 4.5 2003 01 16 - Blanco Fracture Zone - Offshore Oregon, - M 6.3 2004 07 12 - Offshore Oregon - M 4.9

Pennsylvania

1998 09 25 - Pennsylvania - M 5.2

Rhode Island

1976 03 11 - Newport, Rhode Island - M 3.5

South Carolina

1886 09 01 - Charleston, - M 7.3 Fatalities 60 2002 11 11 - Seabrook Island, South Carolina - M 4.4

South Dakota

1911 06 02 - South Dakota - M 4.5 2003 05 25 - South Dakota - M 4.0

Tennessee

1865 08 17 - Memphis, Tennessee - M 5.0 1928 11 03 - Eastern Tennessee - M 4.5

Texas

1931 08 16 - Valentine, Texas - M 5.8

Utah

1934 03 12 - Kosmo, Utah - M 6.6 Fatalities 2 1959 07 21 - Arizona - Utah Border - M 5.6

Vermont

1962 04 10 - Vermont - M 4.2

Virginia

1897 05 31 - Giles County, Virginia - M 5.9 2003 05 05 - Virginia - M 3.9 2003 12 09 - Virginia - M 4.5

Washington

1872 12 15 - Lake Chelan, Washington - M 6.8 1949 04 13 - Puget Sound, Washington - M 7.1 Fatalities 8 1965 04 29 - Puget Sound, Washington - M 6.5 Fatalities 7 1980 05 18 - Mount St. Helens, Washington - M 5.0 2001 02 28 - Nisqually, Washington - M 6.8 2002 06 16 - Kitsap Peninsula, Washington - M 3.7 2002 09 21 - Friday Harbor, Washington - M 4.1 2003 05 30 - Port Orchard, Washington - M 3.7 2003 06 20 - Carnation, Washington - M 3.6

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West Virginia

1969 11 20 - Southern West Virginia - M 4.5

Wisconsin

1947 05 06 - Wisconsin

Wyoming

1959 08 18 - Wyoming - M 6.5 1975 06 30 - Yellowstone National Park, Wyoming - M 6.1 1995 02 03 - Wyoming - M 5.3 Fatalities 1 2002 10 22 - Alpine Northeast, Wyoming - M 4.2 2003 08 21 - Wyoming - M 4.5 2004 01 07 - Wyoming - M 5.0 2004 04 07 - Wyoming - M 4.0 2004 08 29 - Wyoming - M 3.8

U.S. Department of the Interior | U.S. Geological Survey URL: http://earthquake.usgs.gov/regional/states/historical_state.php Page Contact Information: EHP Web Team Page Last Modified: August 13, 2008 20:09:27 UTC

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