Explore Seismic Zones Map of USA, in the field of seismology, a seismic zone or seismic belt refers to a region with potential seismic activity that may share a common cause. It can also be an area on a map defined to have a uniform rate of seismic activity. This rate is used to estimate the likelihood of ground movements in that area. An older definition, now not commonly used, describes a seismic zone as a region on a map where a specific standard for seismic design is mandatory. One specific kind of seismic zone is the Wadati–Benioff zone. This zone is associated with the descending slab in a subduction zone, where one tectonic plate moves under another.
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Date | State(s) | Fatalities | Magnitude |
---|---|---|---|
June 11, 1585 | Aleutian Islands, Alaska | Unknown | 9.2 Mw |
January 26, 1700 | Washington, Oregon, California | Unknown | 8.7-9.2 Mw |
November 18, 1755 | Massachusetts | 0 | 5.9 Mw |
July 21, 1788 | Alaska | Unknown | 8.0 Ms |
August 6, 1788 | Alaska | Unknown | 8.0 Ms |
December 16, 1811 | Missouri | 100−500 | 7.5-8.0 Mw |
December 8, 1812 | California | 40+ | 6.9 Mla, 7.5 Mw |
December 12, 1812 | California | 1 | 7.1-7.5 Mw |
June 2, 1823 | Hawaii | 0 | 7.0 ML |
June 1838 | California | 0 | 6.8-7.2 Mw |
January 5, 1843 | Arkansas | 0 | 6.3 Mw |
January 9, 1857 | California | 2 | 7.9 Mw |
April 24, 1867 | Kansas | 0 | 5.1 Mfa |
April 2, 1868 | Hawaii | 77 | 7.9 Mfa |
October 21, 1868 | California | 30 | 6.3-6.7 ML |
February 20, 1871 | Hawaii | 0 | 6.8 ML |
March 26, 1872 | California | 27 | 7.4-7.9 Mw |
December 14, 1872 | Washington | 0 | 6.5-7.0 Mw |
November 23, 1873 | California-Oregon | 0 | 7.3 ML |
October 26, 1880 | Alaska | 0 | 7.0 Ms |
August 10, 1884 | New York | 2 | 4.9-5.5 Mfa |
August 31, 1886 | South Carolina | 60 | 6.9-7.3 Mw |
April 19, 1892 | California | 1 | 6.4 ML |
April 21, 1892 | California | 0 | 6.4 ML |
October 31, 1895 | Missouri | 0 | 6.6 ML |
September 4, 1899 | Alaska | 0 | 8.2 Ms |
September 10, 1899 | Alaska | 0 | 8.2 Mw |
December 25, 1899 | California | 6 | 6.4 Ms |
October 9, 1900 | Alaska | 0 | 7.9 Mw |
November 14, 1901 | Utah | 0 | 7.0 Mw |
December 31, 1901 | Alaska | 0 | 7.8 Ms |
January 1, 1902 | Alaska | 0 | 7.8 M |
August 27, 1904 | Alaska | 0 | 7.3 Ms |
April 18, 1906 | California | 3,000+ | 7.9 Mw |
August 17, 1906 | Alaska | 0 | 8.4 Mw |
September 27, 1909 | Indiana | 0 | 5.1 Mfa |
June 23, 1915 | California | 6 | 6.2 M |
October 3, 1915 | Nevada | 0 | 6.8 Mw |
April 21, 1918 | California | 0 | 6.8 M |
September 29, 1921 | Utah | 0 | 6.3 Mw |
January 31, 1922 | California | 0 | 7.6 MGR |
January 22, 1923 | California | 0 | 7.2 MGR |
June 28, 1925 | Montana | 0 | 6.6 Mw |
June 29, 1925 | California | 13 | 6.5-6.8 Mw |
October 24, 1927 | Alaska | 0 | 7.3 Mw |
November 4, 1927 | California | 0 | 7.3 Mw |
March 7, 1929 | Alaska | 0 | 7.8 Mw |
August 16, 1931 | Texas | 0 | 6.5 Mw |
December 21, 1932 | Nevada | 0 | 7.2 Mw |
March 10, 1933 | California | 120 | 6.4 Mw |
December 31, 1934 | California | 0 | 7.1 M |
March 12, 1934 | Utah | 2 | 6.6 Mw |
October 18, 1935 | Montana | 4 | 6.2 Ms |
July 15, 1936 | Oregon, Washington | 0 | 5.8 ML |
July 22, 1937 | Alaska | 0 | 7.3 Ms |
November 10, 1938 | Alaska | 0 | 8.2 Mw |
May 18, 1940 | California | 9 | 6.9 Mw |
December 20, 1940 | New Hampshire | 0 | 5.3 Mw |
December 24, 1940 | New Hampshire | 0 | 5.5 Mw |
November 3, 1943 | Alaska | 0 | 7.6 Mw |
September 5, 1944 | New York | 0 | 5.8 Mw |
April 1, 1946 | Alaska | 165 | 8.6 Mw |
October 16, 1947 | Alaska | 0 | 7.2 Mw |
December 4, 1948 | California | 0 | 6.4 Mw |
April 13, 1949 | Washington | 8 | 6.7 Mw |
July 21, 1952 | California | 14 | 7.3 Mw |
July 6, 1954 | Nevada | 0 | 6.6 Mw |
August 24, 1954 | Nevada | 0 | 6.8 Mw |
December 16, 1954 | Nevada | 0 | 7.1 Mw |
December 16, 1954 | Nevada | 0 | 6.8 Mw |
March 9, 1957 | Alaska | 0 | 8.6 Mw |
April 7, 1958 | Alaska | 0 | 7.3 Mw |
July 9, 1958 | Alaska | 5 (tsunami) | 7.8 Mw |
August 18, 1959 | Montana, Wyoming, Idaho | 28+ | 7.2 Mw |
March 27, 1964 | Alaska | 143 | 9.2 Mw |
February 4, 1965 | Alaska | 0 | 8.7 Mw |
April 29, 1965 | Washington | 7 | 6.7 Mw |
July 2, 1965 | Alaska | 0 | 7.8 Mw |
August 9, 1967 | Colorado | 0 | 5 |
November 26, 1967 | Colorado | 0 | 5 |
April 8, 1968 | California | 0 | 6.6 Mw |
November 9, 1968 | Illinois | 0 | 5.4 mb |
October 2, 1969 | California | 1 | 5.6, 5.7 ML |
February 9, 1971 | California | 58-65 | 6.5-6.7 Mw |
July 30, 1972 | Alaska | 0 | 7.6 Mw |
February 2, 1975 | Alaska | 0 | 7.6 Ms |
November 29, 1975 | Hawaii | 2 | 7.7 Mw |
November 8, 1980 | California | 5 | 7.2 Mw |
May 2, 1983 | California | 0 | 6.5 Mw |
November 16, 1983 | Hawaii | 0 | 6.7 Mw |
October 28, 1983 | Idaho | 2 | 7.3 Mw |
April 24, 1984 | California | 0 | 6.2 Mw |
May 7, 1986 | Alaska | 0 | 8.0 Mw |
July 8, 1986 | California | 0 | 6.0 Mw |
July 21, 1986 | California | 0 | 6.4 ML |
October 1, 1987 | California | 8 | 5.9 Mw |
November 23, 1987 | California | 0 | 6.2 Ms |
November 24, 1987 | California | 2 | 6.6 Mw |
November 30, 1987 | Alaska | 0 | 7.9 Mw |
March 6, 1988 | Alaska | 0 | 7.8 Mw |
October 17, 1989 | California | 63 | 6.9 Mw |
September 4, 1989 | Alaska | 0 | 7.1 Mw |
May 30, 1991 | Alaska | 0 | 7.0 Mw |
June 28, 1991 | California | 2 | 5.6 Mw |
August 17, 1991 | Oregon | 0 | 7.0 Mh |
April 23, 1992 | California | 0 | 6.3 Ms |
April 25-26, 1992 | California | 0 | 6.5-7.2 Mw |
June 28, 1992 | California | 3 | 7.3 Mw |
June 28, 1992 | California | 0 | 6.5 Mw |
September 2, 1992 | Utah | 0 | 5.8 ML |
March 25, 1993 | Oregon | 0 | 5.6 Md |
September 20, 1993 | Oregon | 2 | 6.0 Md |
January 17, 1994 | California | 57 | 6.7 Mw |
September 1, 1994 | California | 0 | 7.0 Mw |
April 14, 1995 | Texas | 0 | 5.7 Mw |
June 10, 1996 | Alaska | 0 | 7.9 Mwc |
September 25, 1998 | Pennsylvania | 0 | 5.2 mbLg |
October 16, 1999 | California | 0 | 7.1 Mw |
December 6, 1999 | Alaska | 0 | 7.0 Mw |
January 10, 2001 | Alaska | 0 | 7.0 Mw |
February 28, 2001 | Washington | 1 | 6.8 Md |
November 3, 2002 | Alaska | 0 | 7.9 Mw |
November 17, 2003 | Alaska | 0 | 7.8 Mwc |
December 22, 2003 | California | 2 | 6.5 Mw |
June 15, 2005 | California | 0 | 7.2 Mwc |
September 10, 2006 | Florida | 0 | 5.9 Mwc |
October 15, 2006 | Hawaii | 0 | 6.7 Md |
October 30, 2007 | California | 0 | 5.5 Mw |
February 21, 2008 | Nevada | 0 | 5.9 Mw |
April 18, 2008 | Illinois | 0 | 5.2 Mw |
July 29, 2008 | California | 0 | 5.4 Mw |
January 9, 2010 | California | 0 | 6.5 Mw |
April 4, 2010 | California | 0 | 7.2 Mw |
August 22, 2011 | Colorado | 0 | 5.3 Mwr |
August 23, 2011 | Virginia | 0 | 5.8 Mw |
November 5, 2011 | Oklahoma | 0 | 5.7 Mww |
January 5, 2013 | Alaska | 0 | 7.5 Mw |
March 29, 2014 | California | 0 | 5.1 Mw |
June 23, 2014 | Alaska | 0 | 7.9 Mww |
July 25, 2014 | Alaska | 0 | 6.0 Mw |
August 24, 2014 | California | 1 | 6.0 Mw |
January 24, 2016 | Alaska | 0 | 7.1 Mw |
September 3, 2016 | Oklahoma | 0 | 5.8 Mww |
January 23, 2018 | Alaska | 0 | 7.9 Mww |
May 4, 2018 | Hawaii | 0 | 6.9 Mww |
November 30, 2018 | Alaska | 0 | 7.1 Mww |
July 4, 2019 | California | 1 | 6.4 Mw |
July 5, 2019 | California | 0 | 7.1 Mw |
March 18, 2020 | Utah | 0 | 5.7 Mw |
March 31, 2020 | Idaho | 0 | 6.5 Mww |
May 15, 2020 | Nevada | 0 | 6.5 ML |
July 22, 2020 | Alaska | 0 | 7.8 Mw |
August 9, 2020 | North Carolina | 0 | 5.1 Mw |
October 19, 2020 | Alaska | 0 | 7.6 Mww |
July 29, 2021 | Alaska | 0 | 8.2 Mw |
December 20, 2022 | California | 2 | 6.4 Mw |
Date | State(s) | Magnitude |
---|---|---|
18 October 1916 | Alabama | 5.1 ML |
27 March 1964 | Alaska | 9 |
26 June 1917 | American Samoa | 8.3-8.5 |
3 May 1887 | Arizona | 8 |
16 December 1811 | Arkansas | 7.6-7.9 |
9 January 1857 | California | 8 |
8 November 1882 | Colorado | 7 |
16 May 1791 | Connecticut | 4.4-5.0 Ms |
30 November 2017 | Delaware | 4.1 ML |
23 August 2011 | District of Columbia | 6 |
12 January 1879 | Florida | 4 |
5 March 1914 | Georgia (U.S. state) | 5 |
22 September 1902 | Guam | 8 |
2 April 1868 | Hawaii | 8 |
28 October 1983 | Idaho | 7 |
9 November 1968 | Illinois | 5 |
27 September 1909 | Indiana | 5 |
12 November 1934 | Iowa | 5.0-5.1 |
24 April 1867 | Kansas | 5 |
16 December 1811 | Kentucky | 7.6-7.9 |
19 October 1930 | Louisiana | 4.2 ML |
21 March 1904 | Maine | 6 |
23 August 2011 | Maryland | 6 |
18 November 1755 | Massachusetts | 6 |
10 August 1947 | Michigan | 4.6 ML |
9 July 1975 | Minnesota | 4.6 ML |
16 December 1811 | Mississippi | 7.6-7.9 |
16 December 1811 | Missouri | 7.6-7.9 |
17 August 1959 | Montana | 7 |
15 November 1877 | Nebraska | 7 |
16 December 1954 | Nevada | 7 |
1 June 1638 | New Hampshire | 7 |
29 November 1783 | New Jersey | 5 |
15 November 1906 | New Mexico | 6 |
5 September 1944 | New York | 6 |
21 February 1916 | North Carolina | 5 |
8 July 1968 | North Dakota | 4 |
9 March 1937 | Ohio | 5 |
3 September 2016 | Oklahoma | 6 |
26 January 1700 | Oregon | 8.7-9.2 |
25 September 1998 | Pennsylvania | 5 |
2 May 1787 | Puerto Rico | 8.0-8.3 |
10 June 1951 | Rhode Island | 5 |
31 August 1886 | South Carolina | 6.9-7.3 |
2 June 1911 | South Dakota | 5 |
16 December 1811 | Tennessee | 7.6-7.9 |
16 August 1931 | Texas | 7 |
13 November 1901 | Utah | 7 |
18 November 1867 | U.S. Virgin Islands | 8 |
31 March 1953 | Vermont | 4 |
23 August 2011 | Virginia | 6 |
26 January 1700 | Washington (state) | 8.7-9.2 |
23 August 2011 | West Virginia | 6 |
6 May 1947 | Wisconsin | unk. |
17 August 1959 | Wyoming | 7 |