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The largest earthquake in every state since 1900

Alaska's magnitude 9.2 on March 27, 1964 is the largest in the catalog. 27 states have at least one of magnitude 5 or more since 1900.

Every state

Largest earthquake magnitude, top 12 states

Largest earthquake by state

Alaska	9.2	Mar 27, 1964	3,430	16,210	55,388
California	7.9	Apr 18, 1906	508	4,068	26,754
Hawaii	7.7	Nov 29, 1975	90	840	7,934
Arizona	7.2	Apr 4, 2010	37	275	2,323
Montana	7.2	Aug 17, 1959	26	120	772
Nevada	7.1	Dec 16, 1954	133	705	3,151
Idaho	6.9	Oct 28, 1983	19	201	1,781
Washington	6.8	Feb 28, 2001	37	436	1,885
Utah	6.6	Nov 13, 1901	25	97	613
Wyoming	6.5	Aug 18, 1959	16	106	682
Maine	6.3	Feb 28, 1925	2	25	94
Texas	6.3	Aug 16, 1931	11	101	1,404
Oregon	6.0	Sep 20, 1993	10	52	285
New Mexico	5.8	Jul 16, 1906	6	45	310
Oklahoma	5.8	Sep 3, 2016	5	106	3,038
Virginia	5.8	Aug 23, 2011	1	11	29
New York	5.7	Sep 5, 1944	4	20	78
New Hampshire	5.6	Dec 24, 1940	2	4	12
Colorado	5.5	Oct 11, 1960	4	30	215
Ohio	5.4	Mar 9, 1937	3	11	39
Illinois	5.3	Nov 9, 1968	5	26	59
North Carolina	5.2	Feb 21, 1916	2	3	17
Pennsylvania	5.2	Sep 25, 1998	1	5	14
Alabama	5.1	Oct 18, 1916	1	7	51
Indiana	5.1	Sep 27, 1909	1	5	18
Nebraska	5.1	Mar 28, 1964	1	8	46
Kentucky	5.0	Jul 27, 1980	1	12	37
Kansas	4.9	Nov 12, 2014	0	15	303
Louisiana	4.9	Mar 5, 2026	0	4	22
Arkansas	4.8	Oct 28, 1923	0	19	143
Missouri	4.8	Sep 26, 1990	0	24	94
New Jersey	4.8	Apr 5, 2024	0	1	11
South Carolina	4.8	Jun 12, 1912	0	9	40
Tennessee	4.7	Nov 30, 1973	0	13	98
Michigan	4.6	Aug 9, 1947	0	3	9
Minnesota	4.6	Jul 9, 1975	0	3	3
Mississippi	4.6	Dec 16, 1931	0	2	14
Georgia	4.5	Mar 5, 1914	0	5	21
South Dakota	4.5	Jun 2, 1911	0	8	37
West Virginia	4.5	Nov 19, 1969	0	1	10
North Dakota	4.4	Jul 8, 1968	0	1	3
Vermont	4.2	Apr 10, 1962	0	1	6
Delaware	4.1	Nov 30, 2017	0	1	1
Iowa	4.0	Apr 13, 1905	0	1	1
Connecticut	3.8	Oct 21, 1981	0	0	6
Wisconsin	3.8	May 6, 1947	0	0	0
Massachusetts	3.7	Oct 2, 1994	0	0	12
Maryland	3.6	Jul 16, 2010	0	0	2
Florida	3.5	Oct 31, 1900	0	0	0
Rhode Island	3.5	Mar 11, 1976	0	0	2