List of earthquakes in the United States

The following is a list of notable earthquakes and tsunamis which had their epicenter in areas that are now part of the United States with the latter affecting areas of the United States. Those in italics were not part of the United States when the event occurred.

List of earthquakes

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DateState(s)MagnitudeFatalitiesArticleFurther information
June 11, 1585Aleutian Islands, Alaska9.2 MwUnknown1585 Aleutian Islands earthquake
January 26, 1700Washington, Oregon, California8.7–9.2 MwUnknown1700 Cascadia earthquake
November 18, 1755Massachusetts5.9 Mw01755 Cape Ann earthquake
July 21, 1788Alaska8.0 MsUnknown[1]
August 6, 1788Alaska8.0 MsUnknown[1]
December 16, 1811Missouri7.5–8.0 Mw100−5001811–1812 New Madrid earthquakes
December 8, 1812California6.9 Mla, 7.5 Mw40+1812 San Juan Capistrano earthquake
December 12, 1812California7.1–7.5 Mw11812 Ventura earthquake
June 2, 1823Hawaii7.0 ML0[2]
June 1838California6.8–7.2 Mw01838 San Andreas earthquake
January 5, 1843Arkansas6.3 Mw0[2]
January 9, 1857California7.9 Mw21857 Fort Tejon earthquake
April 24, 1867Kansas5.1 Mfa01867 Manhattan, Kansas earthquake
April 2, 1868Hawaii7.9 Mfa771868 Hawaii earthquake
October 21, 1868California6.3–6.7 ML301868 Hayward earthquake
February 20, 1871Hawaii6.8 ML01871 Lānaʻi earthquake[2]
March 26, 1872California7.4–7.9 Mw271872 Owens Valley earthquake[3]
December 14, 1872Washington6.5–7.0 Mw01872 North Cascades earthquake
November 23, 1873California-Oregon7.3 ML01873 Oregon-California earthquake[2]
October 26, 1880Alaska7.0 Ms0[1]
August 10, 1884New York4.9–5.5 Mfa2
August 31, 1886South Carolina6.9–7.3 Mw601886 Charleston earthquake
April 19, 1892California6.4 ML11892 Vacaville–Winters earthquakes[2]
April 21, 1892California6.4 ML01892 Vacaville–Winters earthquakes[2]
October 31, 1895Missouri6.6 ML01895 Charleston earthquake[2]
September 4, 1899Alaska8.2 Ms01899 Yakutat Bay earthquakes[1]
September 10, 1899Alaska8.2 Mw01899 Yakutat Bay earthquakes[1]
December 25, 1899California6.4 Ms61899 San Jacinto earthquake[1]
October 9, 1900Alaska7.9 Mw0[4]
November 14, 1901Utah7.0 Mw01901 Richfield earthquake
December 31, 1901Alaska7.8 Ms0[1]
January 1, 1902Alaska7.8 M0[1]
August 27, 1904Alaska7.3 Ms0[2]
April 18, 1906California7.9 Mw3,000+1906 San Francisco earthquake
August 17, 1906Alaska8.4 Mw01906 Aleutian Islands earthquake
September 27, 1909Indiana5.1 Mfa01909 Wabash River earthquake
June 23, 1915California6.2 M61915 Imperial Valley earthquakes
October 3, 1915Nevada6.8 Mw01915 Pleasant Valley earthquake
April 21, 1918California6.8 M01918 San Jacinto earthquake
September 29, 1921Utah6.3 Mw01921 Sevier Valley earthquake
January 31, 1922California7.6 MGR0[2]
January 22, 1923California7.2 MGR0[2]
June 28, 1925Montana6.6 Mw01925 Montana earthquake
June 29, 1925California6.5–6.8 Mw131925 Santa Barbara earthquake
October 24, 1927Alaska7.3 Mw0[5]
November 4, 1927California7.3 Mw01927 Lompoc earthquake[1]
March 7, 1929Alaska7.8 Mw0[6]
August 16, 1931Texas6.5 Mw01931 Valentine earthquake
December 21, 1932Nevada7.2 Mw01932 Cedar Mountain earthquake[2]
March 10, 1933California6.4 Mw1201933 Long Beach earthquake
December 31, 1934California7.1 M0[1]
March 12, 1934Utah6.6 Mw21934 Hansel Valley earthquake[7]
October 18, 1935Montana6.2 Ms41935 Helena earthquake
July 15, 1936Oregon, Washington5.8 ML01936 State Line earthquake
July 22, 1937Alaska7.3 Ms01937 Alaska earthquake[2]
November 10, 1938Alaska8.2 Mw0[8]
May 18, 1940California6.9 Mw91940 El Centro earthquake
December 20, 1940New Hampshire5.3 Mw01940 New Hampshire earthquakes
December 24, 1940New Hampshire5.5 Mw01940 New Hampshire earthquakes
November 3, 1943Alaska7.6 Mw0[9]
September 5, 1944New York5.8 Mw01944 Cornwall–Massena earthquake
April 1, 1946Alaska8.6 Mw1651946 Aleutian Islands earthquake
October 16, 1947Alaska7.2 Mw0[2]
December 4, 1948California6.4 Mw01948 Desert Hot Springs earthquake
April 13, 1949Washington6.7 Mw81949 Olympia earthquake
July 21, 1952California7.3 Mw141952 Kern County earthquake
July 6, 1954Nevada6.6 Mw01954 Rainbow Mountain earthquake[2]
August 24, 1954Nevada6.8 Mw01954 Stillwater earthquake[2]
December 16, 1954Nevada7.1 Mw01954 Fairview Peak earthquake[2]
December 16, 1954Nevada6.8 Mw01954 Dixie Valley earthquake[2]
March 9, 1957Alaska8.6 Mw01957 Andreanof Islands earthquake
April 7, 1958Alaska7.3 Mw01958 Huslia earthquake[2]
July 9, 1958Alaska7.8 Mw5 (tsunami)1958 Lituya Bay earthquake and megatsunami
August 18, 1959Montana, Wyoming, Idaho7.2 Mw28+1959 Hebgen Lake earthquake
March 27, 1964Alaska9.2 Mw1431964 Alaska earthquake
February 4, 1965Alaska8.7 Mw01965 Rat Islands earthquake
April 29, 1965Washington6.7 Mw71965 Puget Sound earthquake
July 2, 1965Alaska7.8 Mw0[10]
August 9, 1967Colorado5.30Rocky Mountain Arsenal#Deep injection well
November 26, 1967Colorado5.20Rocky Mountain Arsenal#Deep injection well
April 8, 1968California6.6 Mw01968 Borrego Mountain earthquake
November 9, 1968Illinois5.4 mb01968 Illinois earthquake
October 2, 1969California5.6, 5.7 ML11969 Santa Rosa earthquakesDoublet
February 9, 1971California6.5–6.7 Mw58–651971 San Fernando earthquake
July 30, 1972Alaska7.6 Mw0[11]
February 2, 1975Alaska7.6 Ms01975 Near Islands earthquake
November 29, 1975Hawaii7.7 Mw21975 Hawaii earthquake[12]
November 8, 1980California7.2 Mw51980 Eureka earthquake[13]
May 2, 1983California6.5 Mw01983 Coalinga earthquake
November 16, 1983Hawaii6.7 Mw01983 Kaoiki earthquake[2]
October 28, 1983Idaho7.3 Mw21983 Borah Peak earthquake
April 24, 1984California6.2 Mw01984 Morgan Hill earthquake
May 7, 1986Alaska8.0 Mw0[14][15]
July 8, 1986California6.0 Mw01986 North Palm Springs earthquake
July 21, 1986California6.4 ML01986 Chalfant Valley earthquake[16]
October 1, 1987California5.9 Mw81987 Whittier Narrows earthquake
November 23, 1987California6.2 Ms01987 Superstition Hills earthquakes[1]
November 24, 1987California6.6 Mw21987 Superstition Hills earthquakes
November 30, 1987Alaska7.9 Mw0[17]
March 6, 1988Alaska7.8 Mw0[18]
October 17, 1989California6.9 Mw631989 Loma Prieta earthquake
September 4, 1989Alaska7.1 Mw0[19]
May 30, 1991Alaska7.0 Mw0[20]
June 28, 1991California5.6 Mw21991 Sierra Madre earthquake
August 17, 1991Oregon7.0 Mh0[21]
April 23, 1992California6.3 Ms01992 Joshua Tree earthquake[1]
April 25–26, 1992California6.5–7.2 Mw01992 Cape Mendocino earthquakes
June 28, 1992California7.3 Mw31992 Landers earthquake
June 28, 1992California6.5 Mw01992 Big Bear earthquake
September 2, 1992Utah5.8 ML01992 St. George earthquake[22]
March 25, 1993Oregon5.6 Md01993 Scotts Mills earthquake
September 20, 1993Oregon6.0 Md21993 Klamath Falls earthquakes
January 17, 1994California6.7 Mw571994 Northridge earthquake
September 1, 1994California7.0 Mw01994 Northern California earthquake[23]
April 14, 1995Texas5.7 Mw01995 Marathon earthquake
June 10, 1996Alaska7.9 Mwc0[24]
September 25, 1998Pennsylvania5.2 mbLg01998 Pymatuning earthquake
October 16, 1999California7.1 Mw01999 Hector Mine earthquake
December 6, 1999Alaska7.0 Mw0[25]
January 10, 2001Alaska7.0 Mw0[26]
February 28, 2001Washington6.8 Md12001 Nisqually earthquake
November 3, 2002Alaska7.9 Mw02002 Denali earthquake
November 17, 2003Alaska7.8 Mwc02003 Alaska earthquake[27]
December 22, 2003California6.5 Mw22003 San Simeon earthquake
June 15, 2005California7.2 Mwc0[28]
September 10, 2006Florida5.9 Mwc02006 Gulf of Mexico earthquake
October 15, 2006Hawaii6.7 Md02006 Kiholo Bay earthquake
October 30, 2007California5.5 Mw02007 Alum Rock earthquake
February 21, 2008Nevada5.9 Mw02008 Wells earthquake
April 18, 2008Illinois5.2 Mw02008 Illinois earthquake
July 29, 2008California5.4 Mw02008 Chino Hills earthquake
January 9, 2010California6.5 Mw02010 Eureka earthquake
April 4, 2010California7.2 Mw02010 Baja California earthquake
August 22, 2011Colorado5.3 Mwr02011 Colorado earthquake
August 23, 2011Virginia5.8 Mw02011 Virginia earthquake
November 5, 2011Oklahoma5.7 Mww02011 Oklahoma earthquake
January 5, 2013Alaska7.5 Mw02013 Craig, Alaska earthquake[29]
March 29, 2014California5.1 Mw02014 La Habra earthquake
June 23, 2014Alaska7.9 Mww02014 Aleutian Islands earthquake
July 25, 2014Alaska6.0 Mw02014 Palma Bay earthquake
August 24, 2014California6.0 Mw12014 South Napa earthquake
January 24, 2016Alaska7.1 Mw02016 Old Iliamna earthquake
September 3, 2016Oklahoma5.8 Mww02016 Oklahoma earthquake
January 23, 2018Alaska7.9 Mww02018 Gulf of Alaska earthquake
May 4, 2018Hawaii6.9 Mww02018 Hawaii earthquake
November 30, 2018Alaska7.1 Mww02018 Anchorage earthquake
July 4, 2019California6.4 Mw12019 Ridgecrest earthquakes
July 5, 2019California7.1 Mw02019 Ridgecrest earthquakes
March 18, 2020Utah5.7 Mw02020 Salt Lake City earthquake
March 31, 2020Idaho6.5 Mww02020 Central Idaho earthquake
May 15, 2020Nevada6.5 ML02020 Monte Cristo Range earthquake[30]
July 22, 2020Alaska7.8 Mw02020 Alaska Peninsula earthquake[31]
August 9, 2020North Carolina5.1 Mw02020 Sparta earthquake[32]
October 19, 2020Alaska7.6 Mww02021 Chignik earthquake § October 2020[33]
July 29, 2021Alaska8.2 Mw02021 Chignik earthquake[34]
December 20, 2022California6.4 Mw22022 Ferndale earthquake[35]
April 5, 2024New Jersey4.8 Mw02024 New Jersey earthquake[36]
Two-percent probability of exceedance in 50 years map of peak ground acceleration from the United States Geological Survey, released July 17, 2014

Earthquake swarms which affected the United States:

Earthquakes which affected the United States but whose epicenters were outside the United States borders:

Earthquakes which did not affect the United States directly, but caused tsunamis which did:

List of strongest earthquakes by states and territories

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State(s)MagnitudeDateFurther information
 Alabama5.1 MLOctober 18, 19161916 Irondale earthquake
 Alaska9.2March 27, 19641964 Alaska earthquake
 American Samoa8.3–8.5June 26, 19171917 Samoa earthquake
 Arizona7.6May 3, 18871887 Sonora earthquake
 Arkansas7.6–7.9December 16, 18111811–1812 New Madrid earthquakes
 California7.9January 9, 18571857 Fort Tejon earthquake
 Colorado6.6November 8, 1882[39]
 Connecticut4.4–5.0 MsMay 16, 1791[40]
 Delaware4.1 MLNovember 30, 2017[41]
 District of Columbia5.8August 23, 20112011 Virginia earthquake
 Florida4.4January 12, 1879[42]
 Georgia (U.S. state)4.5March 5, 1914[43]
 Guam8.1September 22, 1902[1]
 Hawaii7.9April 2, 18681868 Hawaii earthquake
 Idaho6.9October 28, 19831983 Borah Peak earthquake
 Illinois5.3November 9, 19681968 Illinois earthquake
 Indiana5.1September 27, 19091909 Wabash River earthquake
 Iowa5.0–5.1November 12, 1934[44]
 Kansas5.1April 24, 18671867 Manhattan, Kansas earthquake
 Kentucky7.6–7.9December 16, 18111811–1812 New Madrid earthquakes
 Louisiana4.2 MLOctober 19, 1930[45]
 Maine5.9March 21, 1904[46]
 Maryland5.8August 23, 20112011 Virginia earthquake
 Massachusetts5.9November 18, 17551755 Cape Ann earthquake
 Michigan4.6 MLAugust 10, 1947[47]
 Minnesota4.6 MLJuly 9, 19751975 Morris earthquake
 Mississippi7.6–7.9December 16, 18111811–1812 New Madrid earthquakes
 Missouri7.6–7.9December 16, 18111811–1812 New Madrid earthquakes
 Montana7.2August 17, 19591959 Hebgen Lake earthquake
 Nebraska7.0November 15, 1877[48]
 Nevada7.3December 16, 19541954 Fairview earthquake
 New Hampshire6.5June 1, 16381638 New Hampshire earthquake
 New Jersey5.3November 29, 17831783 New Jersey earthquake
 New Mexico6.2November 15, 1906[49]
 New York5.8September 5, 19441944 Cornwall–Massena earthquake
 North Carolina5.2February 21, 1916[50]
 North Dakota4.4July 8, 1968[51]
 Ohio5.4March 9, 1937[52]
 Oklahoma5.8September 3, 20162016 Oklahoma earthquake
 Oregon8.7–9.2January 26, 17001700 Cascadia earthquake
 Pennsylvania5.2September 25, 19981998 Pymatuning earthquake
 Puerto Rico8.0–8.3May 2, 17871787 Boricua earthquake
 Rhode Island4.7June 10, 1951[53]
 South Carolina6.9–7.3August 31, 18861886 Charleston earthquake
 South Dakota4.5June 2, 1911[54]
 Tennessee7.6–7.9December 16, 18111811–1812 New Madrid earthquakes
 Texas6.5August 16, 19311931 Valentine earthquake
 Utah7.0November 13, 19011901 Richfield earthquake
 U.S. Virgin Islands7.5November 18, 18671867 Virgin Islands earthquake and tsunami
 Vermont4.0March 31, 1953[55]
 Virginia5.8August 23, 20112011 Virginia earthquake
 Washington (state)8.7–9.2January 26, 17001700 Cascadia earthquake
 West Virginia5.8August 23, 20112011 Virginia earthquake
 Wisconsinunk.May 6, 19471947 Wisconsin earthquake
 Wyoming7.2August 17, 19591959 Hebgen Lake earthquake

See also

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References

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