The Largest Earthquakes in the United States

Updated February 21, 2017 | Factmonster Staff

The following table lists the largest earthquakes in the United States on record, according to rank, magnitude, date, and location. The largest earthquake to hit the U.S. was on March 28, 1964, when a 9.2 magnitude quake struck Prince William Sound in Alaska.

1.9.2March 28, 1964Prince William Sound, Alaska1
2.8.8March 9, 1957Andreanof Islands, Alaska
3.8.7Feb. 4, 1965Rat Islands, Alaska
4.8.3Nov. 10, 1938East of Shumagin Islands, Alaska
8.3July 10, 1958Lituya Bay, Alaska
6.8.2Sept. 10, 1899Yakutat Bay, Alaska
8.2Sept. 4, 1899Near Cape Yakataga, Alaska
8.8.0May 7, 1986Andreanof Islands, Alaska
9.7.9Feb. 7, 1812New Madrid, Missouri
7.9Jan. 9, 1857Fort Tejon, California
7.9April 3, 1868Ka'u District, Island of Hawaii
7.9Oct. 9, 1900Kodiak Island, Alaska
7.9Nov. 30, 1987Gulf of Alaska
7.9Nov. 3, 2002Central Alaska
15.7.8March 26, 1872Owens Valley, California
7.8Feb. 24, 1892Imperial Valley, California
7.8Nov. 17, 2003Rat Island, Alaska
17.7.7Dec. 16, 1811New Madrid, Missouri area
7.7April 18, 1906San Francisco, California
7.7Oct. 3, 1915Pleasant Valley, Nevada
20.7.6Jan. 23, 1812New Madrid, Missouri
7.6June 28, 1992Landers, California
22.7.5July 21, 1952Kern County, California
23.7.3Nov. 4, 1927West of Lompoc, California
7.3Dec. 16, 1954Dixie Valley, Nevada
7.3Aug. 18, 1959Hebgen Lake, Montana
7.3Oct. 28, 1983Borah Peak, Idaho
1. March 28, 03:36:14 UT (March 27, 5:36 P.M. local time)
Source: National Earthquake Information Center, U.S. Geological Survey.

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