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.

DateState(s)MagnitudeFatalitiesArticleFurther information
January 26, 1700Washington, Oregon, California8.7–9.2 MwUnknown1700 Cascadia earthquake
November 18, 1755Massachusetts5.9 Mw 01755 Cape Ann earthquake
July 21, 1788 Alaska 8.0 Ms Unknown 1788 Alaska earthquake[1]
August 6, 1788 Alaska 8.0 Ms  Unknown 1788 Alaska earthquake[1]
December 16, 1811Missouri7.5–8.0 Mw 100−5001811–1812 New Madrid earthquakes
December 8, 1812California6.9 Mla, 7.5 Mw 40+1812 San Juan Capistrano earthquake
June 2, 1823 Hawaii 7.0 ML 0 1823 Kilauea earthquake[2]
June 10, 1836 California 6.5 ML  0 1836 California earthquake[2]
June 1838 California 6.8–7.2 Mw  0 1838 San Andreas earthquake
January 5, 1843 Arkansas 6.3 Mw  0 1843 Marked Tree earthquake[2]
January 9, 1857California7.9 Mw 21857 Fort Tejon earthquake
March 15, 1860 Nevada 6.5 ML Unknown 1860 Reno earthquake[3]
October 8, 1865 California 6.5 ML  0 1865 California earthquake[2]
April 24, 1867Kansas5.1 Mfa01867 Manhattan, Kansas earthquake
April 2, 1868Hawaii7.9 Mfa 771868 Hawaii earthquake and tsunami
October 21, 1868California6.3–6.7 ML 301868 Hayward earthquake
February 20, 1871 Hawaii 6.8 ML  0 1871 Hawaii earthquake[2]
April 11, 1872 California 6.8 Mw  Unknown 1872 Eastern California earthquake[4]
December 14, 1872Washington6.5–7.0 Mw 01872 North Cascades earthquake
March 26, 1872California7.4–7.9 Mw 271872 Lone Pine earthquake
March 26, 1872 California 6.8 Mw  0 1872 California earthquake[5]
December 15, 1872 Washington 6.8 ML  0 1872 Cascades earthquake[2]
November 23, 1873 California-Oregon 7.3 ML  0 1873 Oregon-California earthquake[2]
October 26, 1880 Alaska 7.0 Ms  0 1880 Alaska earthquake[1]
August 10, 1884New York4.9–5.5 Mfa 21884 Coney Island earthquake
August 31, 1886South Carolina6.9–7.3 Mw 601886 Charleston earthquake
April 24, 1890 California 6.3 ML  0 1890 California earthquake[2]
April 19, 1892 California 6.4 ML  1 1892 Vacaville earthquake[2]
April 21, 1892 California 6.4 ML  0 1892 Winters earthquake[2]
October 31, 1895 Missouri 6.6 ML  0 1895 Charleston earthquake[2]
November 4, 1897 Montana 6.4 Mfa  Unknown 1897 Montana earthquake[6]
March 30, 1898 California 6.5 Ms  0 1898 Sonoma earthquake[1]
April 15, 1898 California 6.8 ML  0 1898 California earthquake[2]
June 29, 1898 Alaska 7.6 Ms  0 1898 Alaska earthquake[1]
September 4, 1899 Alaska 8.2 Ms  0 1899 Yakutat Bay earthquakes[1]
September 10, 1899 Alaska 8.2 Mw  0 1899 Yakutat Bay earthquakes[1]
December 25, 1899 California 6.4 Ms  6 1899 Christmas earthquake[1]
October 9, 1900 Alaska 7.9 Mw  0 1900 Alaska earthquake[7]
March 3, 1901 California 6.4 Ms  0 1901 California earthquake[2]
December 31, 1901 Alaska 7.8 Ms  0 1901 Aleutian earthquake[1]
January 1, 1902 Alaska 7.8 M 0 1902 Aleutian earthquake[1]
August 27, 1904 Alaska 7.3 Ms  0 1904 Alaska earthquake[2]
April 18, 1906California7.9 Mw 3,000+1906 San Francisco earthquake
August 17, 1906 Alaska 8.4 Mw  0 1906 Aleutian Islands earthquake
November 4, 1908 California 6.5 Ms  0 1908 California earthquake[8]
September 27, 1909Indiana5.1 Mfa 01909 Wabash River earthquake
July 1, 1911 California 6.5 Ms  0 1911 California earthquake[2]
June 23, 1915 California 6.2 M 6 1915 El Centro earthquake[1]
October 3, 1915Nevada6.8 Mw 01915 Pleasant Valley earthquake
April 21, 1918 California 6.8 M 0 1918 California earthquake[1]
January 31, 1922 California 7.6 MGR 0 1922 California earthquake[2]
January 22, 1923 California 7.2 MGR  0 1923 California earthquake[2]
June 28, 1925 Montana 6.6 Mw  0 1925 Montana earthquake[2]
June 29, 1925California6.5–6.8 Mw 131925 Santa Barbara earthquake
October 24, 1927 Alaska 7.3 Mw  0 1927 Southeastern Alaska earthquake[9]
November 4, 1927 California 7.3 Mw  0 1927 California earthquake[1]
March 7, 1929 Alaska 7.8 Mw  0 1929 Aleutian Islands earthquake[10]
August 16, 1931Texas6.5 Mw 01931 Valentine earthquake
December 21, 1932 Nevada 7.2 Mw  0 1932 Nevada earthquake[2]
March 10, 1933California6.4 Mw 1201933 Long Beach earthquake
December 31, 1934 California 7.1 M 0 1934 Imperial Valley earthquake[1]
March 12, 1934 Utah 6.6 Mw  2 Hansel Valley earthquake[11]
October 18, 1935Montana6.2 Ms 41935 Helena earthquake
July 15, 1936Oregon, Washington5.8 ML 01936 State Line earthquake
July 22, 1937 Alaska 7.3 Ms  0 1937 Alaska earthquake[2]
January 23, 1938 Hawaii 6.8 Ms  0 1938 Maui earthquake[2]
November 10, 1938 Alaska 8.2 Mw  0 1938 Alaska Peninsula earthquake[12]
May 18, 1940California6.9 Mw 91940 El Centro earthquake
December 20, 1940New Hampshire5.3 Mw 01940 New Hampshire earthquakes
December 24, 1940New Hampshire5.5 Mw 01940 New Hampshire earthquakes
February 9, 1941 California 6.6 Ms  0 1941 California earthquake[1]
November 3, 1943 Alaska 7.6 Mw  0 1943 Southern Alaska earthquake[13]
April 1, 1946Alaska8.6 Mw 1651946 Aleutian Islands earthquake and tsunami
April 10, 1947 California 6.4 M 0 1947 California earthquake[1]
October 16, 1947 Alaska 7.2 Mw  0 1947 Alaska earthquake[2]
December 4, 1948California6.4 Mw 01948 Desert Hot Springs earthquake
April 13, 1949Washington6.7 Mw 81949 Olympia earthquake
August 21, 1951 Hawaii 6.9 Ms  0 1951 Hawaii earthquake[2]
July 21, 1952California7.3 Mw 141952 Kern County earthquake
July 6, 1954 Nevada 6.6 Mw  0 1954 Rainbow Mountain earthquake[2]
August 24, 1954 Nevada 6.8 Mw  0 1954 Stillwater earthquake[2]
December 16, 1954 Nevada 7.1 Mw  0 1954 Fairview Peak earthquake[2]
December 16, 1954 Nevada 6.8 Mw  0 1954 Dixie Valley earthquake[2]
March 9, 1957Alaska8.6 Mw 01957 Andreanof Islands earthquake and tsunami
April 7, 1958 Alaska 7.3 Mw  0 1958 Huslia earthquake[2]
July 9, 1958Alaska7.8 Mw 5 (tsunami)1958 Lituya Bay earthquakes and megatsunami
August 18, 1959Montana, Wyoming, Idaho7.2 Mw 28+1959 Hebgen Lake earthquake
March 27, 1964Alaska9.2 Mw 1431964 Alaska earthquake and tsunami
February 4, 1965Alaska8.7 Mw 01965 Rat Islands earthquake and tsunami
April 29, 1965Washington6.7 Mw 71965 Puget Sound earthquake
July 2, 1965 Alaska 7.8 Mw  0 1965 Fox Islands earthquake[14]
August 9, 1967Colorado5.30Rocky Mountain Arsenal#Deep injection well
November 26, 1967Colorado5.20Rocky Mountain Arsenal#Deep injection well
November 9, 1968Illinois5.4 mb01968 Illinois earthquake
October 2, 1969California5.6, 5.7 ML 11969 Santa Rosa earthquakesDoublet
February 9, 1971California6.5–6.7 Mw 58–651971 San Fernando earthquake
July 30, 1972 Alaska 7.6 Mw  0 1972 Alaska earthquake[15]
February 2, 1975Alaska7.6 Ms 01975 Near Islands earthquake
November 29, 1975Hawaii7.7 Mw 21975 Hawaii earthquake[16]
November 8, 1980 California 7.2 Mw  5 1980 Northern California earthquake[17]
May 2, 1983California6.5 Mw 01983 Coalinga earthquake
November 16, 1983 Hawaii 6.7 Mw  0 1983 Hawaii earthquake[2]
October 28, 1983Idaho7.3 Mw 21983 Borah Peak earthquake
April 24, 1984California6.2 Mw 01984 Morgan Hill earthquake
May 7, 1986 Alaska 8.0 Mw  0 1986 Aleutian Islands earthquake[18]
July 21, 1986 California 6.4 ML  0 1986 Eastern California earthquake[19]
October 1, 1987California5.9 Mw 81987 Whittier Narrows earthquake
November 24, 1987 California 6.2 Ms  2 1987 California earthquake[1]
November 30, 1987 Alaska 7.9 Mw  0 1987 Gulf of Alaska earthquake[20]
March 6, 1988 Alaska 7.8 Mw  0 1988 Gulf of Alaska earthquake[21]
October 17, 1989California6.9 Mw 631989 Loma Prieta earthquake
September 4, 1989 Alaska 7.1 Mw  0 1989 Alaska Peninsula earthquake[22]
May 30, 1991 Alaska 7.0 Mw  0 1991 Aleutian Islands earthquake[23]
June 28, 1991California5.6 Mw 21991 Sierra Madre earthquake
August 17, 1991 Oregon 7.0 Mh 0 1991 Juan De Fuca earthquake[24]
August 17, 1991 California 6.2 Ms  0 1991 Honeydew earthquake[1]
April 23, 1992 California 6.3 Ms  0 1992 Joshua Tree earthquake[1]
April 25–26, 1992California6.5–7.2 Mw 01992 Cape Mendocino earthquakes
June 28, 1992California7.3 Mw 31992 Landers earthquake
June 28, 1992California6.5 Mw 01992 Big Bear earthquake
September 2, 1992 Utah 5.8 ML  0 1992 St. George earthquake[25]
March 25, 1993Oregon5.6 Md 01993 Scotts Mills earthquake
September 20, 1993Oregon6.0 Md 21993 Klamath Falls earthquakes
January 17, 1994California6.7 Mw 571994 Northridge earthquake
September 1, 1994 California 7.0 Mw  0 1994 Northern California earthquake[26]
April 14, 1995Texas5.7 Mw 01995 Marathon earthquake
June 10, 1996 Alaska 7.9 Mwc 0 1996 Andreanof Islands earthquake[27]
September 25, 1998Pennsylvania5.2 mbLg01998 Pymatuning earthquake
October 16, 1999California7.1 Mw 01999 Hector Mine earthquake
December 6, 1999 Alaska 7.0 Mw  0 1999 Kodiak Islands earthquake[28]
January 10, 2001 Alaska 7.0 Mw  0 2001 Kodiak Islands earthquake[29]
February 28, 2001Washington6.8 Md12001 Nisqually earthquake
November 3, 2002Alaska7.9 Mw 02002 Denali earthquake
November 17, 2003 Alaska 7.8 Mwc  0 2003 Alaska earthquake[30]
December 22, 2003California6.5 Mw 22003 San Simeon earthquake
June 15, 2005 California 7.2 Mwc  0 2005 Juan De Fuca earthquake[31]
September 10, 2006Florida5.9 Mwc 02006 Gulf of Mexico earthquake
October 15, 2006Hawaii6.7 Md 02006 Kiholo Bay earthquake
October 30, 2007California5.5 Mw 02007 Alum Rock earthquake
February 21, 2008Nevada5.9 Mw 02008 Wells earthquake
April 18, 2008Illinois5.2 Mw 02008 Illinois earthquake
July 29, 2008California5.4 Mw 02008 Chino Hills earthquake
January 9, 2010California6.5 Mw 02010 Eureka earthquake
July 7, 2010California5.4 Mw 02010 Borrego Springs earthquake
August 22, 2011Colorado5.3 Mwr02011 Colorado earthquake
August 23, 2011Virginia5.8 Mw 02011 Virginia earthquake
November 5, 2011Oklahoma5.7 Mww 02011 Oklahoma earthquake
January 5, 2013 Alaska 7.5 Mw  0 2013 Southeastern Alaska earthquake[32]
March 10, 2014 California 6.8 Mw  0 2014 Ferndale earthquake[33]
June 23, 2014Alaska7.9 Mww 02014 Aleutian Islands earthquake
July 25, 2014Alaska6.0 Mw 02014 Southeast Alaska earthquake
August 24, 2014California6.0 Mw 12014 South Napa earthquake
September 25, 2014Alaska6.2 ML 02014 Southern Alaska earthquake
May 29, 2015 Alaska 6.8 Mw  0 2015 Chirikof Island earthquake[34]
July 27, 2015 Alaska 6.9 Mww 0 2015 Nikolski earthquake[35]
July 29, 2015 Alaska 6.4 Mw  0 2015 Redoubt Volcano earthquake[36]
January 24, 2016Alaska7.1 Mw 02016 Old Iliamna earthquake
September 3, 2016Oklahoma5.8 Mww 02016 Oklahoma earthquake
December 8, 2016 California 6.6 Mww  0 2016 Ferndale earthquake[37]
January 23, 2018Alaska7.9 Mww 02018 Gulf of Alaska earthquake
May 4, 2018 Hawaii 6.9 Mww  0 2018 Hawaii earthquake
August 12, 2018 Alaska 6.4, 6.0 Mw  0 2018 Kaktovik earthquakes[38][39]
November 30, 2018Alaska7.1 Mww 02018 Anchorage earthquake
July 4, 2019 California 6.4 Mw  0 2019 Ridgecrest earthquakes
July 5, 2019California7.1 Mw 12019 Ridgecrest earthquakes
August 29, 2019 Oregon 6.3 Mww  0 2019 Oregon Coast earthquake[40]
January 23, 2020 Alaska 6.2 Mww  0 2020 Tanaga Volcano earthquake[41]
March 18, 2020 Utah 5.7 Mw  0 2020 Salt Lake City earthquake
March 31, 2020 Idaho 6.5 Mww  0 2020 Central Idaho earthquake
May 15, 2020 Nevada 6.5 ML  0 2020 Nevada earthquake[42]
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:

See also

References
  1. "Significant Earthquakes Full Search, sort by Date, Country". www.ngdc.noaa.gov. Retrieved 2020-01-23.
  2. USGS (June 24, 2013). "Preferred Magnitudes of Selected Significant Earthquakes" (PDF). earthquake.usgs.gov. Retrieved May 5, 2020.
  3. "M 6.5 - East of Reno, Nevada". earthquake.usgs.gov. Retrieved 2020-01-23.
  4. "M 6.8 - Near Round Valley, California". earthquake.usgs.gov. Retrieved 2020-01-23.
  5. "M 6.8 - Owens Valley, California". earthquake.usgs.gov. Retrieved 2020-01-23.
  6. "M 6.4 - western Montana". earthquake.usgs.gov. Retrieved 2020-01-23.
  7. "M 7.9 - Kodiak Island region, Alaska". earthquake.usgs.gov. Retrieved 2019-08-13.
  8. "M 6.5 - Central California". earthquake.usgs.gov. Retrieved 2020-01-23.
  9. "M 7.3 - Southeastern Alaska". earthquake.usgs.gov. Retrieved 2019-08-13.
  10. "M 7.8 - south of the Aleutian Islands". earthquake.usgs.gov. Retrieved 2019-08-13.
  11. "M 6.6 - Utah". earthquake.usgs.gov. Retrieved 2020-01-23.
  12. "M 8.2 - Alaska Peninsula". earthquake.usgs.gov. Retrieved 2019-08-13.
  13. "M 7.6 - Southern Alaska". earthquake.usgs.gov. Retrieved 2019-08-13.
  14. "M 7.8 - Fox Islands, Aleutian Islands, Alaska". earthquake.usgs.gov. Retrieved 2019-08-13.
  15. "M 7.6 - Southeastern Alaska". earthquake.usgs.gov. Retrieved 2019-08-13.
  16. "M 7.7 - Kalapana Earthquake". earthquake.usgs.gov. Retrieved 2019-08-13.
  17. "M 7.2 - offshore Northern California". earthquake.usgs.gov. Retrieved 2019-08-13.
  18. "M 8.0 - Andreanof Islands, Aleutian Islands, Alaska". earthquake.usgs.gov. Retrieved 2019-08-13.
  19. "M 6.4 - Central California". earthquake.usgs.gov. Retrieved 2020-01-23.
  20. "M 7.9 - Gulf of Alaska". earthquake.usgs.gov. Retrieved 2019-08-13.
  21. "M 7.8 - Gulf of Alaska". earthquake.usgs.gov. Retrieved 2019-08-13.
  22. "M 7.1 - south of Alaska". earthquake.usgs.gov. Retrieved 2019-08-13.
  23. "M 7.0 - Alaska Peninsula". earthquake.usgs.gov. Retrieved 2019-08-13.
  24. "M 7.0 - 136km WSW of Brookings, Oregon". earthquake.usgs.gov. Retrieved 2019-08-13.
  25. "1992 – St. George, UT – M 5.8". quake.utah.edu. Intermountain Seismic Belt Historical Earthquake Project. Retrieved 2020-03-18.
  26. "M 7.0 - off the coast of Northern California". earthquake.usgs.gov. Retrieved 2019-08-13.
  27. "M 7.9 - Andreanof Islands, Aleutian Islands, Alaska". earthquake.usgs.gov. Retrieved 2019-08-13.
  28. "M 7.0 - Kodiak Island region, Alaska". earthquake.usgs.gov. Retrieved 2019-08-13.
  29. "M 6.9 - Kodiak Island region, Alaska". earthquake.usgs.gov. Retrieved 2019-08-13.
  30. "M 7.8 - Rat Islands, Aleutian Islands, Alaska". earthquake.usgs.gov. Retrieved 2020-01-23.
  31. "M 7.2 - off the coast of Northern California". earthquake.usgs.gov. Retrieved 2019-08-13.
  32. "M 7.5 - Southeastern Alaska". earthquake.usgs.gov. Retrieved 2019-08-13.
  33. "M 6.8 - 78km WNW of Ferndale, California". earthquake.usgs.gov. Retrieved 2019-08-13.
  34. "M 6.8 - 99km NNW of Chirikof Island, Alaska". earthquake.usgs.gov. Retrieved 2019-08-13.
  35. "M 6.9 - 73km SSW of Nikolski, Alaska". earthquake.usgs.gov. Retrieved 2019-08-13.
  36. "M 6.4 - 70km SSW of Redoubt Volcano, Alaska". earthquake.usgs.gov. Retrieved 2019-08-13.
  37. "M 6.6 - 164km W of Ferndale, California". earthquake.usgs.gov. Retrieved 2019-08-13.
  38. "M 6.4 - 90km SW of Kaktovik, Alaska". earthquake.usgs.gov. Retrieved 2019-08-13.
  39. "M 6.0 - 73km SSW of Kaktovik, Alaska". earthquake.usgs.gov. Retrieved 2019-08-13.
  40. "M 6.3 - 285km W of Bandon, Oregon". earthquake.usgs.gov. Retrieved 2020-01-23.
  41. "M 6.2 - 22km ENE of Tanaga Volcano, Alaska". earthquake.usgs.gov. Retrieved 2020-01-23.
  42. "M 6.5 - 56km W of Tonopah, Nevada". earthquake.usgs.gov. Retrieved 2020-05-15.
  43. Healy, J.H.; Rubey, W.W.; Griggs, D.T.; Raleigh, C.B. (27 September 1968). "The Denver Earthquakes: disposal of waste fluids by injection into a deep well has triggered earthquakes near Denver, Colorado" (PDF). Science. 161 (3848): 1301–1310. doi:10.1126/science.161.3848.1301. PMID 17831340. Retrieved 13 July 2015.
  44. Gibbons, Helen (November 2009). "USGS Scientists Respond to Deadly Samoa Tsunami". United States Geological Survey. Retrieved 5 May 2015.
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