Historic Earthquakes in the United States and Its Territories

We're transitioning to a new system, so this webpage is being phased out and is no longer maintained as of 04/12. A replacement is under development.

Sorted by State & Magnitude

Selected earthquakes of general historic interest.
All earthquake dates are UTC, not local time.

Alabama Alaska Arizona Arkansas California Cascadia Subduction Zone Colorado Connecticut Delaware Florida Georgia Guam Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Madrid New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming

  • 1964 03 28 - Prince William Sound, Alaska - M 9.2
  • 1700 01 26 - Cascadia Subduction Zone - M 9.0
  • 1965 02 04 - Rat Islands, Alaska - M 8.7
  • 1957 03 09 - Andreanof Islands, Alaska - M 8.6
  • 1938 11 10 - Shumagin Islands, Alaska - M 8.2
  • 1946 04 01 - Unimak Island, Alaska - M 8.1
  • 1899 09 10 - Yakutat Bay, Alaska - M 8.0
  • 1787 05 02 - Puerto Rico - M 8.0
  • 2002 11 03 - Denali Fault, Alaska - M 7.9
  • 1996 06 10 - Andreanof Islands, Alaska - M 7.9
  • 1986 05 07 - Andreanof Islands, Alaska - M 7.9
  • 1899 09 04 - Cape Yakataga, Alaska - M 7.9
  • 1868 04 03 - Ka'u District, Island of Hawaii - M 7.9
  • 1857 01 09 - Fort Tejon, California - M 7.9
  • 2003 11 17 - Rat Islands, Aleutian Islands, Alaska - M 7.8
  • 1993 08 08 - South of the Mariana Islands - M 7.8
  • 1987 11 30 - Gulf of Alaska - M 7.8
  • 1929 03 07 - Fox Islands, Aleutian Islands, Alaska - M 7.8
  • 1906 04 18 - San Francisco, California - M 7.8
  • 1892 02 24 - Imperial Valley, California - M 7.8
  • 1988 03 06 - Gulf of Alaska - M 7.7
  • 1958 07 10 - Lituya Bay, Alaska - M 7.7
  • 1900 10 09 - Kodiak Island, Alaska - M 7.7
  • 1812 02 07 - New Madrid Region - M 7.7
  • 1811 12 16 - New Madrid Region - M 7.7
  • 1975 02 02 - Near Islands, Alaska - M 7.6
  • 1972 07 30 - Sitka, Alaska - M 7.6
  • 1979 02 28 - Mt. St. Elias, Alaska - M 7.5
  • 1918 10 11 - Mona Passage - M 7.5 Fatalities 116
  • 1812 01 23 - New Madrid Region - M 7.5
  • 1943 11 03 - Skwenta, Alaska - M 7.4
  • 1872 03 26 - Owens Valley, California - M 7.4
  • 1992 06 28 - Landers, California - M 7.3
  • 1965 03 30 - Rat Islands, Alaska - M 7.3
  • 1959 08 18 - Hebgen Lake, Montana - M 7.3
  • 1958 04 07 - Huslia, Alaska - M 7.3
  • 1952 07 21 - Kern County, California - M 7.3
  • 1937 07 22 - Central Alaska - M 7.3
  • 1922 01 31 - Eureka, California - M 7.3
  • 1904 08 27 - Fairbanks, Alaska - M 7.3
  • 1886 09 01 - Charleston, South Carolina - M 7.3
  • 1873 11 23 - California - Oregon Coast - M 7.3
  • 2007 12 19 - Andreanof Islands, Aleutian Islands, Alaska - M 7.2
  • 2005 06 15 - Off the Coast of Northern California - M 7.2
  • 1992 04 25 - Cape Mendocino, California - M 7.2
  • 1980 11 08 - Humboldt County, California - M 7.2
  • 1975 11 29 - Kalapana, Hawaii - M 7.2
  • 1947 10 16 - Wood River, Alaska - M 7.2
  • 1932 12 21 - Cedar Mountain, Nevada - M 7.2
  • 1923 01 22 - Humbolt County, California - M 7.2
  • 1912 07 07 - Paxson, Alaska - M 7.2
  • 2003 03 17 - Rat Islands, Aleutian Islands, Alaska - M 7.1
  • 2002 04 26 - Mariana Islands - M 7.1
  • 1999 10 16 - Hector Mine, California - M 7.1
  • 1957 03 14 - Andreanof Islands, Alaska - M 7.1
  • 1957 03 09 - Fox Islands, Alaska - M 7.1
  • 1954 12 16 - Fairview Peak, Nevada - M 7.1
  • 1953 01 05 - Near Islands, Alaska - M 7.1
  • 1949 04 13 - Puget Sound, Washington - M 7.1
  • 1940 05 19 - Imperial Valley, California - M 7.1
  • 1934 05 04 - Chugach Mountains, Alaska - M 7.1
  • 1927 11 04 - Lompoc, California - M 7.1
  • 1927 10 24 - Southeast Alaska - M 7.1
  • 1915 10 03 - Pleasant Valley, Nevada - M 7.1
  • 1901 12 31 - Cook Inlet, Alaska - M 7.1
  • 1812 12 21 - West of Ventura, California - M 7.1
  • 1994 09 01 - Cape Mendocino, California - M 7.0
  • 1991 08 17 - Honeydew, California - M 7.0
  • 1966 08 07 - Rat Islands, Alaska - M 7.0
  • 1957 03 16 - Andreanof Islands, Alaska - M 7.0
  • 1957 03 12 - Andreanof Islands, Alaska - M 7.0
  • 1910 09 09 - Rat Islands, Aleutian Islands, Alaska - M 7.0
  • 1908 05 15 - Gulf of Alaska - M 7.0
  • 1899 09 23 - Copper River delta, Alaska - M 7.0
  • 1899 04 16 - Eureka, California - M 7.0
  • 1868 03 29 - Ka'u District, Island of Hawaii - M 7.0
  • 1823 06 02 - South flank of Kilauea, Hawaii - M 7.0
  • 1811 12 16 - New Madrid Region - M 7.0
  • 2003 06 23 - Rat Islands, Aleutian Islands - M 6.9
  • 1989 10 18 - Loma Prieta, California - M 6.9
  • 1983 10 28 - Borah Peak, Idaho - M 6.9
  • 1951 08 21 - Kona, Hawaii - M 6.9
  • 1812 12 08 - Southwest of San Bernardino County, California - M 6.9
  • 2008 05 09 - Guam region - M 6.8
  • 2005 06 14 - Rat Islands, Aleutian Islands, Alaska - M 6.8
  • 2004 06 28 - Southeastern Alaska - M 6.8
  • 2001 02 28 - Nisqually, Washington - M 6.8
  • 1954 12 16 - Dixie Valley, Nevada - M 6.8
  • 1954 08 24 - Stillwater, Nevada - M 6.8
  • 1938 01 23 - Maui, Hawaii - M 6.8
  • 1925 06 29 - Santa Barbara, California - M 6.8
  • 1918 04 21 - San Jacinto, California - M 6.8
  • 1910 08 05 - Oregon - M 6.8
  • 1898 04 15 - Mendocino County, California - M 6.8
  • 1872 12 15 - Lake Chelan, Washington - M 6.8
  • 1871 02 20 - Lanai, Hawaii - M 6.8
  • 1868 10 21 - Hayward, California - M 6.8
  • 1838 06 - San Francisco area, California - M 6.8
  • 2007 08 02 - Andreanof Islands, Aleutian Islands, Alaska - M 6.7
  • 2006 10 15 - Hawaii region, Hawaii - M 6.7
  • 2002 10 23 - Denali, Alaska - M 6.7
  • 1994 01 17 - Northridge, California - M 6.7
  • 1987 11 24 - Superstition Hills, California - M 6.7
  • 1983 11 16 - Kaoiki, Hawaii - M 6.7
  • 1899 12 25 - San Jacinto, California - M 6.7
  • 2008 05 02 - Andreanof Islands, Aleutian Islands, Alaska - M 6.6
  • 2008 04 16 - Andreanof Islands, Aleutian Islands, Alaska - M 6.6
  • 2005 06 17 - Off the Coast of Northern California - M 6.6
  • 2003 12 22 - San Simeon, California - M 6.6
  • 2003 02 19 - Unimak Island Region, Alaska - M 6.6
  • 1971 02 09 - San Fernando, California - M 6.6
  • 1954 07 06 - Fallon-Stillwater area, Nevada - M 6.6
  • 1934 03 12 - Kosmo, Utah - M 6.6
  • 1925 06 28 - Clarkston Valley, Montana - M 6.6
  • 1895 10 31 - Charleston, Missouri - M 6.6
  • 1882 11 08 - Denver, Colorado - M 6.6
  • 2010 01 10 - Offshore Northern California - M 6.5
  • 2007 08 15 - Andreanof Islands, Aleutian Islands, Alaska - M 6.5
  • 1992 06 28 - Big Bear, California - M 6.5
  • 1987 11 24 - Superstition Hills, California - M 6.5
  • 1965 04 29 - Puget Sound, Washington - M 6.5
  • 1959 08 18 - Wyoming - M 6.5
  • 1954 12 21 - Eureka, California - M 6.5
  • 1934 01 30 - Excelsior Mountains, Nevada - M 6.5
  • 1929 10 06 - Holualoa, Hawaii - M 6.5
  • 1911 07 01 - Calaveras fault, California - M 6.5
  • 1865 10 08 - Santa Cruz Mountains, California - M 6.5
  • 1836 06 10 - South San Francisco Bay region, California - M 6.5
  • 2007 12 26 - Fox Islands, Aleutian Islands, Alaska - M 6.4
  • 1983 05 02 - Coalinga, California - M 6.4
  • 1979 10 15 - Imperial Valley, Mexico - California Border - M 6.4
  • 1933 03 11 - Long Beach, California - M 6.4
  • 1932 06 06 - Eureka, California - M 6.4
  • 1901 03 03 - Parkfield, California - M 6.4
  • 1892 04 21 - Winters, California - M 6.4
  • 1892 04 19 - Vacaville, California - M 6.4
  • 2003 01 16 - Blanco Fracture Zone - Offshore Oregon, - M 6.3
  • 1947 11 23 - Southwest Montana - M 6.3
  • 1935 10 19 - Helena, Montana - M 6.3
  • 1915 06 23 - Imperial Valley, California - M 6.3
  • 1898 03 31 - Mare Island, California - M 6.3
  • 1897 06 20 - Calaveras fault, California - M 6.3
  • 1890 02 24 - Corralitos, California - M 6.3
  • 1843 01 05 - Northeast Arkansas - M 6.3
  • 1992 04 23 - Joshua Tree - M 6.2
  • 1986 07 21 - Chalfant Valley, California - M 6.2
  • 1984 04 24 - Morgan Hill, California - M 6.2
  • 1980 05 25 - Mammoth Lakes, California - M 6.2
  • 1975 03 28 - Eastern Idaho - M 6.2
  • 1973 04 26 - Island of Hawaii, Hawaii - M 6.2
  • 1986 07 08 - North Palm Springs, California - M 6.1
  • 1975 06 30 - Yellowstone National Park, Wyoming - M 6.1
  • 1966 06 28 - Parkfield, California - M 6.1
  • 1944 07 12 - Sheep Mountain, Idaho - M 6.1
  • 1934 06 08 - Parkfield, California - M 6.1
  • 1926 10 22 - Monterey Bay, California - M 6.1
  • 1922 03 10 - Parkfield, California - M 6.1
  • 2008 02 21 - Nevada - M 6.0
  • 2004 09 28 - Central California - M 6.0
  • 1993 09 21 - Klamath Falls, Oregon - M 6.0
  • 1980 05 27 - Mammoth Lakes, California - M 6.0
  • 1935 10 31 - Helena, Montana - M 6.0
  • 1987 10 01 - Whittier Narrows, California - M 5.9
  • 1966 09 12 - Truckee, California - M 5.9
  • 1935 10 12 - Helena, Montana - M 5.9
  • 1897 05 31 - Giles County, Virginia - M 5.9
  • 2011 08 23 - Louisa County, Virginia - M 5.8
  • 2009 01 24 - Southern Alaska - M 5.8
  • 1984 11 23 - Round Valley, California - M 5.8
  • 1980 01 27 - Livermore, California - M 5.8
  • 1980 01 24 - Livermore Valley, California - M 5.8
  • 1975 08 01 - Oroville, California - M 5.8
  • 1952 08 22 - Kern County, California - M 5.8
  • 1944 09 05 - Between Massena, New York and Cornwall, Ontario, Canada - M 5.8
  • 1931 08 16 - Valentine, Texas - M 5.8
  • 1992 06 29 - Little Skull Mountain, Nevada - M 5.7
  • 1979 08 06 - Coyote Lake, California - M 5.7
  • 1969 10 02 - Santa Rosa, California - M 5.7
  • 2011 11 06 - Lincoln County, Oklahoma - M 5.6
  • 2007 10 31 - San Francisco Bay Area, California - M 5.6
  • 2005 07 26 - Western Montana - M 5.6
  • 1992 09 02 - Utah - M 5.6
  • 1991 06 28 - Sierra Madre, California - M 5.6
  • 1987 10 04 - Whittier Narrows, California - M 5.6
  • 1959 07 21 - Arizona - Utah Border - M 5.6
  • 2008 07 29 - Greater Los Angeles area, California - M 5.5
  • 1952 04 09 - El Reno, Oklahoma - M 5.5
  • 1940 12 24 - Ossipee Lake, New Hampshire - M 5.5
  • 1940 12 20 - Ossipee Lake, New Hampshire - M 5.5
  • 1926 06 29 - Santa Barbara, California - M 5.5
  • 1909 05 16 - North Dakota - M 5.5
  • 1884 08 10 - New York City, New York - M 5.5
  • 2008 04 18 - Illinois - M 5.4
  • 2008 04 30 - Northern California - M 5.4
  • 2007 08 14 - Island of Hawaii, Hawaii - M 5.4
  • 1989 08 08 - Santa Cruz County, California - M 5.4
  • 1968 11 09 - Southern Illinois - M 5.4
  • 1955 10 24 - Concord, California - M 5.4
  • 1937 03 09 - Western Ohio - M 5.4
  • 2011 08 23 - Southwest of Trinidad, Colorado - M 5.3
  • 2005 07 15 - Hawaii region, Hawaii - M 5.3
  • 2003 08 15 - Humboldt Hill, California - M 5.3
  • 2002 02 06 - near Knik, Alaska - M 5.3
  • 2002 06 17 - Bayview, California - M 5.3
  • 1995 02 03 - Wyoming - M 5.3
  • 1983 10 07 - Blue Mountain Lake, New York - M 5.3
  • 1967 08 09 - Denver, Colorado - M 5.3
  • 1957 03 22 - Daly City, California - M 5.3
  • 1783 11 30 - New Jersey - M 5.3
  • 2009 04 14 - Island of Hawaii, Hawaii - M 5.2
  • 2007 05 09 - Offshore Northern California - M 5.2
  • 2005 06 12 - Southern California - M 5.2
  • 2003 02 22 - Big Bear City, California - M 5.2
  • 1998 09 25 - Pennsylvania - M 5.2
  • 1980 07 27 - Maysville, Kentucky - M 5.2
  • 1916 02 21 - Waynesville, North Carolina - M 5.2
  • 2005 07 17 - Hawaii region, Hawaii - M 5.1
  • 2002 04 20 - Au Sable Forks, New York - M 5.1
  • 1987 06 10 - Near Olney, Illinois - M 5.1
  • 1966 01 23 - Dulce, New Mexico - M 5.1
  • 1964 03 28 - Merriman, Nebraska - M 5.1
  • 1916 10 18 - Irondale, Alabama - M 5.1
  • 1909 09 27 - Wabash River Valley, Indiana - M 5.1
  • 1909 05 26 - Aurora, Illinois - M 5.1
  • 1904 03 21 - Southeast Maine - M 5.1
  • 1877 11 15 - Eastern Nebraska - M 5.1
  • 1867 04 24 - Manhattan, Kansas - M 5.1
  • 2008 04 26 - Nevada - M 5.0
  • 2005 08 10 - New Mexico - M 5.0
  • 2004 01 07 - Wyoming - M 5.0
  • 2000 09 03 - Napa, California - M 5.0
  • 1986 01 31 - Northeast Ohio - M 5.0
  • 1980 05 18 - Mount St. Helens, Washington - M 5.0
  • 1865 08 17 - Memphis, Tennessee - M 5.0
  • 2005 06 16 - Greater Los Angeles Area, California - M 4.9
  • 2004 07 12 - Offshore Oregon - M 4.9
  • 2002 05 14 - Gilroy, California - M 4.9
  • 2006 07 27 - Southern Alaska - M 4.8
  • 2002 09 03 - Yorba Linda, California - M 4.8
  • 1884 09 19 - Near Lima, Ohio - M 4.8
  • 2011 02 28 - Arkansas - M 4.7
  • 2009 05 18 - Greater Los Angeles Area, California - M 4.7
  • 2005 09 22 - Central California - M 4.7
  • 2003 08 27 - Volcano, Hawaii - M 4.7
  • 2003 01 25 - Keene, California - M 4.7
  • 2003 03 11 - Twentynine Palms Base, California - M 4.6
  • 2003 04 29 - Alabama - M 4.6
  • 2002 03 16 - near Channel Islands Beach, California - M 4.6
  • 2002 06 18 - Darmstadt, Indiana - M 4.6
  • 1994 01 16 - Pennsylvania - M 4.6
  • 1975 07 09 - Western Minnesota - M 4.6
  • 1947 08 10 - Southern Michigan - M 4.6
  • 1931 12 17 - Charleston, Mississippi - M 4.6
  • 2009 01 30 - Seattle-Tacoma Urban Area - M 4.5
  • 2009 01 09 - Greater Los Angeles Area, California - M 4.5
  • 2007 05 08 - Western Montana - M 4.5
  • 2006 10 20 - Northern California - M 4.5
  • 2005 10 31 - Western Montana - M 4.5
  • 2003 12 09 - Virginia - M 4.5
  • 2003 08 21 - Wyoming - M 4.5
  • 2002 06 29 - near Mt. Hood Volcano, Oregon - M 4.5
  • 1969 11 20 - Southern West Virginia - M 4.5
  • 1928 11 03 - Eastern Tennessee - M 4.5
  • 1914 03 05 - Georgia - M 4.5
  • 1911 06 02 - South Dakota - M 4.5
  • 2007 08 09 - Greater Los Angeles area, California - M 4.4
  • 2002 11 11 - Seabrook Island, South Carolina - M 4.4
  • 1984 04 23 - Lancaster County, Pennsylvania - M 4.4
  • 2009 03 30 - Northern California - M 4.3
  • 2007 07 02 - Central California - M 4.3
  • 2007 07 20 - San Francisco Bay area, California - M 4.2
  • 2006 03 22 - Western Montana - M 4.2
  • 2005 05 01 - Arkansas - M 4.2
  • 2004 06 28 - Illinois - M 4.2
  • 2003 05 25 - Santa Rosa, California - M 4.2
  • 2002 10 22 - Alpine Northeast, Wyoming - M 4.2
  • 1962 04 10 - Vermont - M 4.2
  • 1930 10 19 - Napoleonville, Louisiana - M 4.2
  • 1901 05 17 - Near Portsmouth, Ohio - M 4.2
  • 2005 12 19 - New Mexico - M 4.1
  • 2005 02 10 - Arkansas - M 4.1
  • 2005 05 06 - Central California - M 4.1
  • 2003 02 02 - Dublin, CA, Swarm - M 4.1
  • 2002 09 21 - Friday Harbor, Washington - M 4.1
  • 2011 12 31 - Youngstown-Warren Urban Area, Ohio - M 4.0
  • 2004 04 07 - Wyoming - M 4.0
  • 2003 04 30 - Blytheville, Arkansas - M 4.0
  • 2003 09 05 - near Piedmont, California - M 4.0
  • 2003 05 24 - Brawley, California - M 4.0
  • 2003 06 06 - Western Kentucky - M 4.0
  • 2003 05 25 - South Dakota - M 4.0
  • 2003 08 27 - Val Verde, California - M 3.9
  • 2003 05 05 - Virginia - M 3.9
  • 2002 11 24 - Swarm near San Ramon, California - M 3.9
  • 2006 10 02 - Maine - M 3.8
  • 2006 02 10 - Colorado - M 3.8
  • 2004 08 29 - Wyoming - M 3.8
  • 2003 05 26 - Seven Trees, California - M 3.8
  • 2003 08 26 - New Jersey - M 3.8
  • 2009 08 18 - Colorado - M 3.7
  • 2004 09 17 - Eastern Kentucky - M 3.7
  • 2003 05 30 - Port Orchard, Washington - M 3.7
  • 2002 06 16 - Kitsap Peninsula, Washington - M 3.7
  • 2006 01 02 - Illinois - M 3.6
  • 2004 08 19 - Alabama - M 3.6
  • 2003 06 20 - Carnation, Washington - M 3.6
  • 2003 10 07 - near Imperial Beach, California - M 3.6
  • 2003 07 22 - Near the coast of Massachusetts - M 3.6
  • 2002 05 24 - Plattsburgh Aftershock - M 3.6
  • 2002 12 24 - Pacifica, California - M 3.6
  • 2009 04 30 - Northern California - M 3.5
  • 2009 06 08 - San Francisco Bay Area, California - M 3.5
  • 2009 03 08 - San Francisco Bay area, California - M 3.5
  • 2003 10 19 - near Orinda, California - M 3.5
  • 1976 03 11 - Newport, Rhode Island - M 3.5
  • 2003 05 26 - Muir Beach, California - M 3.4
  • 2003 09 13 - near Simi Valley, California - M 3.4
  • 2003 09 22 - Rathdrum, Idaho - M 3.3
  • 2002 12 25 - Redford, New York - M 3.3
  • 2009 02 03 - New Jersey - M 3.0
  • 2004 05 30 - Pine Mountain Club, California - M 3.0
  • 1990 01 13 - Maryland - M 2.5
  • 1947 05 06 - Wisconsin
  • 1906 11 15 - Socorro area, New Mexico - Intensity VII
  • 1906 07 12 - Socorro area, New Mexico - Intensity VII
  • 1905 04 13 - Iowa
  • 1879 01 13 - St. Augustine, Florida
  • 1871 10 09 - New Jersey - Delaware border
  • 1871 10 09 - New Jersey - Delaware border
  • 1867 11 18 - Puerto Rico Region
  • 1791 05 16 - Moodus, Connecticut
  • 1780 02 06 - Northwest Florida
  • 1755 11 18 - Cape Ann, Massachusetts
  • 1744 06 14 - Southern Cape Ann, Massachusetts region
  • 1727 11 10 - Northern Cape Ann region, Massachusetts
  • 1568 - Moodus-East Haddam, Connecticut - Intensity VI