List of earthquakes in the United States - wikipedia List of earthquakes in the United States The following is a list of notable earthquakes and / or 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. Date State ( s ) Magnitude Fatalities Article Further information January 26, 1700 Washington, Oregon, California 8.7 -- 9.2 Unknown 1700 Cascadia earthquake November 18, 1755 Massachusetts 5.9 Unknown 1755 Cape Ann earthquake December 16, 1811 Missouri 7.2 -- 8.1 Unknown 1811 -- 1812 New Madrid earthquakes December 8, 1812 California 6.9 -- 7.5 7001400000000000000 ♠ 40 + 1812 San Juan Capistrano earthquake January 9, 1857 California 7.9 7000200000000000000 ♠ 2 1857 Fort Tejon earthquake April 24, 1867 Kansas 5.1 5000000000000000000 ♠ 0 1867 Manhattan, Kansas earthquake April 2, 1868 Hawaii 7.9 7001770000000000000 ♠ 77 1868 Hawaii earthquake and tsunami October 21, 1868 California 6.3 -- 6.7 7001300000000000000 ♠ 30 1868 Hayward earthquake December 14, 1872 Washington 6.5 -- 7.0 5000000000000000000 ♠ 0 1872 North Cascades earthquake March 26, 1872 California 7.4 -- 7.9 7001270000000000000 ♠ 27 1872 Lone Pine earthquake August 31, 1886 South Carolina 6.9 -- 7.3 7001600000000000000 ♠ 60 1886 Charleston earthquake April 18, 1906 California 7.9 7003300000000000000 ♠ 3,000 + 1906 San Francisco earthquake September 27, 1909 Indiana 5.1 5000000000000000000 ♠ 0 1909 Wabash River earthquake October 3, 1915 Nevada 7.1 5000000000000000000 ♠ 0 1915 Pleasant Valley earthquake June 29, 1925 California 6.8 7001130000000000000 ♠ 13 1925 Santa Barbara earthquake August 16, 1931 Texas 5.8 5000000000000000000 ♠ 0 1931 Valentine earthquake March 10, 1933 California 6.4 7002120000000000000 ♠ 120 1933 Long Beach earthquake October 18, 1935 Montana 6.2 1935 Helena earthquake July 15, 1936 Oregon, Washington 5.8 5000000000000000000 ♠ 0 1936 State Line earthquake May 18, 1940 California 6.9 7000900000000000000 ♠ 9 1940 El Centro earthquake December 20, 1940 New Hampshire 5.3 5000000000000000000 ♠ 0 1940 New Hampshire earthquakes December 24, 1940 New Hampshire 5.5 5000000000000000000 ♠ 0 1940 New Hampshire earthquakes April 1, 1946 Alaska 8.6 7002165000000000000 ♠ 165 1946 Aleutian Islands earthquake and tsunami December 4, 1948 California 6.3 5000000000000000000 ♠ 0 1948 Desert Hot Springs earthquake April 13, 1949 Washington 6.7 7000800000000000000 ♠ 8 1949 Olympia earthquake July 21, 1952 California 7.3 7001140000000000000 ♠ 14 1952 Kern County earthquake March 9, 1957 Alaska 8.6 5000000000000000000 ♠ 0 1957 Andreanof Islands earthquake and tsunami July 9, 1958 Alaska 7.8 7000500000000000000 ♠ 5 ( tsunami ) 1958 Lituya Bay earthquakes and megatsunami August 17, 1959 Montana, Wyoming, Idaho 7.3 -- 7.5 7001280000000000000 ♠ 28 + 1959 Hebgen Lake earthquake March 27, 1964 Alaska 9.2 7002143000000000000 ♠ 143 1964 Alaska earthquake and tsunami February 4, 1965 Alaska 8.7 5000000000000000000 ♠ 0 1965 Rat Islands earthquake and tsunami April 29, 1965 Washington 6.7 7000700000000000000 ♠ 7 1965 Puget Sound earthquake August 9, 1967 Colorado 5.3 5000000000000000000 ♠ 0 Rocky Mountain Arsenal # Deep injection well November 26, 1967 Colorado 5.2 5000000000000000000 ♠ 0 Rocky Mountain Arsenal # Deep injection well November 9, 1968 Illinois 5.4 5000000000000000000 ♠ 0 1968 Illinois earthquake October 2, 1969 California 5.6, 5.7 7000100000000000000 ♠ 1 1969 Santa Rosa earthquakes Doublet February 9, 1971 California 6.5 -- 6.7 7001580000000000000 ♠ 58 -- 65 1971 San Fernando earthquake February 2, 1975 Alaska 7.6 5000000000000000000 ♠ 0 1975 Near Islands earthquake November 29, 1975 Hawaii 7.2 7000200000000000000 ♠ 2 1975 Hawaii earthquake May 2, 1983 California 6.5 5000000000000000000 ♠ 0 1983 Coalinga earthquake October 28, 1983 Idaho 7.3 7000200000000000000 ♠ 2 1983 Borah Peak earthquake April 24, 1984 California 6.2 5000000000000000000 ♠ 0 1984 Morgan Hill earthquake October 1, 1987 California 5.9 7000800000000000000 ♠ 8 1987 Whittier Narrows earthquake October 17, 1989 California 6.9 7001630000000000000 ♠ 63 1989 Loma Prieta earthquake June 28, 1991 California 5.6 7000200000000000000 ♠ 2 1991 Sierra Madre earthquake April 25 -- 26, 1992 California 6.5 -- 7.2 5000000000000000000 ♠ 0 1992 Cape Mendocino earthquakes June 28, 1992 California 7.3 7000300000000000000 ♠ 3 1992 Landers earthquake June 28, 1992 California 6.5 5000000000000000000 ♠ 0 1992 Big Bear earthquake March 25, 1993 Oregon 5.6 5000000000000000000 ♠ 0 1993 Scotts Mills earthquake September 20, 1993 Oregon 6.0 7000200000000000000 ♠ 2 1993 Klamath Falls earthquakes January 17, 1994 California 6.7 7001570000000000000 ♠ 57 1994 Northridge earthquake April 14, 1995 Texas 5.7 5000000000000000000 ♠ 0 1995 Marathon earthquake May 2, 1996 Washington 5.6 5000000000000000000 ♠ 0 1996 Duvall earthquake September 25, 1998 Pennsylvania 5.2 5000000000000000000 ♠ 0 1998 Pymatuning earthquake October 16, 1999 California 7.1 5000000000000000000 ♠ 0 1999 Hector Mine earthquake February 28, 2001 Washington 6.8 7000100000000000000 ♠ 1 2001 Nisqually earthquake November 3, 2002 Alaska 7.9 5000000000000000000 ♠ 0 2002 Denali earthquake December 22, 2003 California 6.5 7000200000000000000 ♠ 2 2003 San Simeon earthquake September 10, 2006 Florida 5.8 5000000000000000000 ♠ 0 2006 Gulf of Mexico earthquake October 15, 2006 Hawaii 6.7 5000000000000000000 ♠ 0 2006 Kiholo Bay earthquake October 30, 2007 California 5.6 5000000000000000000 ♠ 0 2007 Alum Rock earthquake February 21, 2008 Nevada 6.0 5000000000000000000 ♠ 0 2008 Wells earthquake April 18, 2008 Illinois 5.4 5000000000000000000 ♠ 0 2008 Illinois earthquake July 29, 2008 California 5.5 5000000000000000000 ♠ 0 2008 Chino Hills earthquake January 9, 2010 California 6.5 5000000000000000000 ♠ 0 2010 Eureka earthquake July 7, 2010 California 5.4 5000000000000000000 ♠ 0 2010 Borrego Springs earthquake August 22, 2011 Colorado 5.3 5000000000000000000 ♠ 0 2011 Colorado earthquake August 23, 2011 Virginia 5.9 5000000000000000000 ♠ 0 2011 Virginia earthquake November 5, 2011 Oklahoma 5.6 5000000000000000000 ♠ 0 2011 Oklahoma earthquake June 23, 2014 Alaska 7.9 5000000000000000000 ♠ 0 2014 Aleutian Islands earthquake July 25, 2014 Alaska 5.9 5000000000000000000 ♠ 0 2014 Southeast Alaska earthquake August 24, 2014 California 6.0 7000100000000000000 ♠ 1 2014 South Napa earthquake September 25, 2014 Alaska 6.2 5000000000000000000 ♠ 0 2014 Southern Alaska earthquake January 24, 2016 Alaska 7.1 5000000000000000000 ♠ 0 2016 Old Iliamna earthquake September 3, 2016 Oklahoma 5.8 5000000000000000000 ♠ 0 2016 Oklahoma earthquake January 23, 2018 Alaska 7.9 5000000000000000000 ♠ 0 2018 Alaska earthquake 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 : 1962 -- 71 Denver earthquake swarm Enola earthquake swarm 2008 Reno earthquakes Guy - Greenbrier earthquake swarm 2009 -- present Oklahoma earthquake swarms Earthquakes which affected the United States but whose epicenters were outside the United States borders : 1925 Charlevoix -- Kamouraska earthquake -- magnitude 6.2 earthquake, no injuries or fatalities anywhere 2010 Baja California earthquake ( Mexico near S California ) -- magnitude 7.2 earthquake, 4 fatalities and 100 injuries, none in the United States Earthquakes which did not affect the United States directly, but caused tsunamis which did : 1960 Valdivia earthquake and tsunami -- magnitude 9.5 earthquake, between 2200 -- 6000 fatalities, including 61 in Hilo, HI 2006 Kuril Islands earthquake and tsunami -- magnitude 8.3 earthquake, no injuries or fatalities anywhere 2009 Samoa earthquake and tsunami -- magnitude 8.0 earthquake with an epicenter 120 miles ( 190 km ) southwest of American Samoa generated tsunami waves up to 16 feet ( 5 m ), killing 34 people in American Samoa and causing extensive damage 2010 Chile earthquake and tsunami -- magnitude 8.8 earthquake, ~ 525 fatalities and unknown number of injuries, none in the United States 2011 Tohoku earthquake and tsunami -- magnitude 9.0 earthquake, 15,850 -- 28,000 fatalities and 6,011 injured, one fatality and unknown number of injuries in the United States 2012 Haida Gwaii earthquake -- magnitude 7.8 earthquake with an epicenter on Moresby Island in British Columbia, the second largest Canadian earthquake ever recorded by a seismometer, over 100,000 people were evacuated to higher ground in the state of Hawai'i See also List of historical tsunamis Lists of earthquakes References Jump up ^ 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. Retrieved 13 July 2015. Jump up ^ Gibbons, Helen ( November 2009 ). `` USGS Scientists Respond to Deadly Samoa Tsunami ''. United States Geological Survey. Retrieved 5 May 2015. External links List of historic U.S. earthquakes at the United States Geological Survey Earthquake data at the National Geophysical Data Center Earthquakes in the United States Historical 1638 New Hampshire 1663 Charlevoix 1700 Cascadia 1755 Cape Ann 1811 -- 12 New Madrid 1838 San Andreas 1857 Fort Tejon 1865 Memphis 1867 Manhattan, Kansas 1868 Hawaii 1868 Hayward 1872 Lone Pine 1872 North Cascades 1886 Charleston 1887 Sonora 1892 Laguna Salada 1892 Vacaville -- Winters 1898 Mare Island 20th - century 1906 San Francisco 1906 Aleutian Islands 1909 Wabash River 1915 Pleasant Valley 1916 Irondale 1918 San Jacinto 1925 Santa Barbara 1931 Valentine 1932 Eureka 1933 Long Beach 1935 Helena 1936 State Line 1940 El Centro 1940 New Hampshire 1944 Cornwall -- Massena 1946 Aleutian Islands 1947 Wisconsin 1948 Desert Hot Springs 1949 Olympia 1952 Kern County 1957 Andreanof Islands 1957 San Francisco 1959 Hebgen Lake 1964 Alaska 1965 Rat Islands 1965 Puget Sound 1968 Illinois 1969 Santa Rosa 1971 San Fernando 1973 Point Mugu 1975 Near Islands 1975 Morris 1975 Hawaii 1979 Coyote Lake 1979 Imperial Valley 1980 Eureka 1983 Coalinga 1983 Borah Peak 1984 Morgan Hill 1986 North Palm Springs 1986 Chalfant Valley 1987 Whittier Narrows 1989 Loma Prieta 1990 Upland 1991 Sierra Madre 1992 Cape Mendocino 1992 Landers 1992 Big Bear 1993 Scotts Mills 1993 Klamath Falls 1994 Northridge 1995 Marathon 1996 Duvall 1998 Pymatuning 1999 Hector Mine 2000 Yountville 21st - century 2001 Nisqually 2002 Denali 2003 Alabama 2003 San Simeon 2006 Gulf of Mexico 2006 Kiholo Bay 2007 Alum Rock 2008 Illinois 2008 Chino Hills 2010 Eureka 2010 Baja California 2010 Indiana 2011 Colorado 2011 Virginia 2011 Oklahoma 2014 Aleutian Islands 2014 Southeast Alaska 2014 South Napa 2016 Oklahoma 2016 Hawthorne 2018 Alaska Swarms 2001 Enola 2008 Reno 2010 -- 11 Guy - Greenbrier 2012 Brawley 2009 -- 18 Oklahoma Retrieved from `` https://en.wikipedia.org/w/index.php?title=List_of_earthquakes_in_the_United_States&oldid=846850469 '' Categories : Earthquakes in the United States Lists of earthquakes by country Lists of disasters in the United States United States geology - related lists Tsunamis in the United States Lists of earthquakes in the United States Talk Article Talk About Wikipedia Français 한국어 中文 Edit links This page was last edited on 21 June 2018, at 07 : 57 ( UTC ). 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Question: when was the last time there was an earthquake in florida
Answer: September 10, 2006