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.

List of earthquakes

DateState(s)MagnitudeFatalitiesArticleFurther information
June 11, 1585Aleutian Islands, Alaska9.2 MwUnknown1585 Aleutian Islands earthquake
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 [1]
August 6, 1788 Alaska 8.0 Ms  Unknown [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
December 12, 1812California7.1–7.5 Mw 11812 Ventura earthquake
June 2, 1823 Hawaii 7.0 ML 0 [2]
June 1838 California 6.8–7.2 Mw  0 1838 San Andreas earthquake
January 5, 1843 Arkansas 6.3 Mw  0 [2]
January 9, 1857California7.9 Mw 21857 Fort Tejon earthquake
April 24, 1867Kansas5.1 Mfa01867 Manhattan, Kansas earthquake
April 2, 1868Hawaii7.9 Mfa 771868 Hawaii earthquake
October 21, 1868California6.3–6.7 ML 301868 Hayward earthquake
February 20, 1871 Hawaii 6.8 ML  0 1871 Lānaʻi earthquake[2]
March 26, 1872California7.4–7.9 Mw 271872 Owens Valley earthquake[3]
December 14, 1872Washington6.5–7.0 Mw 01872 North Cascades earthquake
November 23, 1873 California-Oregon 7.3 ML  0 1873 Oregon-California earthquake[2]
October 26, 1880 Alaska 7.0 Ms  0 [1]
August 10, 1884New York4.9–5.5 Mfa 2
August 31, 1886South Carolina6.9–7.3 Mw 601886 Charleston earthquake
April 19, 1892 California 6.4 ML  1 1892 Vacaville–Winters earthquakes[2]
April 21, 1892 California 6.4 ML  0 1892 Vacaville–Winters earthquakes[2]
October 31, 1895 Missouri 6.6 ML  0 1895 Charleston earthquake[2]
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 San Jacinto earthquake[1]
October 9, 1900 Alaska 7.9 Mw  0 [4]
November 14, 1901 Utah 7.0 Mw  0 1901 Richfield earthquake
December 31, 1901 Alaska 7.8 Ms  0 [1]
January 1, 1902 Alaska 7.8 M 0 [1]
August 27, 1904 Alaska 7.3 Ms  0 [2]
April 18, 1906California7.9 Mw 3,000+1906 San Francisco earthquake
August 17, 1906 Alaska 8.4 Mw  0 1906 Aleutian Islands earthquake
September 27, 1909Indiana5.1 Mfa 01909 Wabash River earthquake
June 23, 1915 California 6.2 M 6 1915 Imperial Valley earthquakes
October 3, 1915Nevada6.8 Mw 01915 Pleasant Valley earthquake
April 21, 1918 California 6.8 M 0 1918 San Jacinto earthquake
September 29, 1921 Utah 6.3 Mw  0 1921 Sevier Valley earthquake
January 31, 1922 California 7.6 MGR 0 [2]
January 22, 1923 California 7.2 MGR  0 [2]
June 28, 1925 Montana 6.6 Mw  0 1925 Montana earthquake
June 29, 1925California6.5–6.8 Mw 131925 Santa Barbara earthquake
October 24, 1927 Alaska 7.3 Mw  0 [5]
November 4, 1927 California 7.3 Mw  0 1927 Lompoc earthquake[1]
March 7, 1929 Alaska 7.8 Mw  0 [6]
August 16, 1931Texas6.5 Mw 01931 Valentine earthquake
December 21, 1932 Nevada 7.2 Mw  0 1932 Cedar Mountain earthquake[2]
March 10, 1933California6.4 Mw 1201933 Long Beach earthquake
December 31, 1934 California 7.1 M 0 [1]
March 12, 1934 Utah 6.6 Mw  2 1934 Hansel Valley earthquake[7]
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]
November 10, 1938 Alaska 8.2 Mw  0 [8]
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
November 3, 1943 Alaska 7.6 Mw  0 [9]
September 5, 1944New York5.8 Mw 01944 Cornwall–Massena earthquake
April 1, 1946Alaska8.6 Mw 1651946 Aleutian Islands earthquake
October 16, 1947 Alaska 7.2 Mw  0 [2]
December 4, 1948California6.4 Mw 01948 Desert Hot Springs earthquake
April 13, 1949Washington6.7 Mw 81949 Olympia earthquake
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
April 7, 1958 Alaska 7.3 Mw  0 1958 Huslia earthquake[2]
July 9, 1958Alaska7.8 Mw 5 (tsunami)1958 Lituya Bay earthquake and megatsunami
August 18, 1959Montana, Wyoming, Idaho7.2 Mw 28+1959 Hebgen Lake earthquake
March 27, 1964Alaska9.2 Mw 1431964 Alaska earthquake
February 4, 1965Alaska8.7 Mw 01965 Rat Islands earthquake
April 29, 1965Washington6.7 Mw 71965 Puget Sound earthquake
July 2, 1965 Alaska 7.8 Mw  0 [10]
August 9, 1967Colorado5.30Rocky Mountain Arsenal#Deep injection well
November 26, 1967Colorado5.20Rocky Mountain Arsenal#Deep injection well
April 8, 1968 California 6.6 Mw  0 1968 Borrego Mountain earthquake
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 [11]
February 2, 1975Alaska7.6 Ms 01975 Near Islands earthquake
November 29, 1975Hawaii7.7 Mw 21975 Hawaii earthquake[12]
November 8, 1980 California 7.2 Mw  5 1980 Eureka earthquake[13]
May 2, 1983California6.5 Mw 01983 Coalinga earthquake
November 16, 1983 Hawaii 6.7 Mw  0 1983 Kaoiki 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 [14][15]
July 8, 1986 California 6.0 Mw  0 1986 North Palm Springs earthquake
July 21, 1986 California 6.4 ML  0 1986 Chalfant Valley earthquake[16]
October 1, 1987California5.9 Mw 81987 Whittier Narrows earthquake
November 23, 1987 California 6.2 Ms  0 1987 Superstition Hills earthquakes[1]
November 24, 1987 California 6.6 Mw  2 1987 Superstition Hills earthquakes
November 30, 1987 Alaska 7.9 Mw  0 [17]
March 6, 1988 Alaska 7.8 Mw  0 [18]
October 17, 1989California6.9 Mw 631989 Loma Prieta earthquake
September 4, 1989 Alaska 7.1 Mw  0 [19]
May 30, 1991 Alaska 7.0 Mw  0 [20]
June 28, 1991California5.6 Mw 21991 Sierra Madre earthquake
August 17, 1991 Oregon 7.0 Mh 0 [21]
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[22]
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[23]
April 14, 1995Texas5.7 Mw 01995 Marathon earthquake
June 10, 1996 Alaska 7.9 Mwc 0 [24]
September 25, 1998Pennsylvania5.2 mbLg01998 Pymatuning earthquake
October 16, 1999California7.1 Mw 01999 Hector Mine earthquake
December 6, 1999 Alaska 7.0 Mw  0 [25]
January 10, 2001 Alaska 7.0 Mw  0 [26]
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[27]
December 22, 2003California6.5 Mw 22003 San Simeon earthquake
June 15, 2005 California 7.2 Mwc  0 [28]
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
April 4, 2010California7.2 Mw 02010 Baja California 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 Craig, Alaska earthquake[29]
March 29, 2014 California 5.1 Mw  0 2014 La Habra earthquake
June 23, 2014Alaska7.9 Mww 02014 Aleutian Islands earthquake
July 25, 2014Alaska6.0 Mw 02014 Palma Bay earthquake
August 24, 2014California6.0 Mw 12014 South Napa earthquake
January 24, 2016Alaska7.1 Mw 02016 Old Iliamna earthquake
September 3, 2016Oklahoma5.8 Mww 02016 Oklahoma earthquake
January 23, 2018Alaska7.9 Mww 02018 Gulf of Alaska earthquake
May 4, 2018 Hawaii 6.9 Mww  0 2018 Hawaii earthquake
November 30, 2018Alaska7.1 Mww 02018 Anchorage earthquake
July 4, 2019 California 6.4 Mw  1 2019 Ridgecrest earthquakes
July 5, 2019California7.1 Mw 02019 Ridgecrest earthquakes
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 Monte Cristo Range earthquake[30]
July 22, 2020 Alaska 7.8 Mw  0 2020 Alaska Peninsula earthquake[31]
August 9, 2020 North Carolina 5.1 Mw  0 2020 Sparta earthquake[32]
October 19, 2020 Alaska 7.6 Mww  0 2021 Chignik earthquake[33]
July 29, 2021 Alaska 8.2 Mw  0 2021 Chignik earthquake[34]
December 20, 2022 California 6.4 Mw 2 2022 Ferndale earthquake[35]
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:

List of strongest earthquakes by states and territories

State(s) Magnitude Date Further information
 Alabama 5.1 ML 18 October 1916 1916 Irondale earthquake
 Alaska 9.2 27 March 1964 1964 Alaska earthquake
 American Samoa 8.3–8.5 26 June 1917 1917 Samoa earthquake
 Arizona 7.6 3 May 1887 1887 Sonora earthquake
 Arkansas 7.6–7.9 16 December 1811 1811–1812 New Madrid earthquakes
 California 7.9 9 January 1857 1857 Fort Tejon earthquake
 Colorado 6.6 8 November 1882 [38]
 Connecticut 4.4–5.0 Ms 16 May 1791 [39]
 Delaware 4.1 ML 30 November 2017 [40]
 District of Columbia 5.8 23 August 2011 2011 Virginia earthquake
 Florida 4.4 12 January 1879 [41]
 Georgia (U.S. state) 4.5 5 March 1914 [42]
 Guam 8.1 22 September 1902 [43]
 Hawaii 7.9 2 April 1868 1868 Hawaii earthquake
 Idaho 6.9 28 October 1983 1983 Borah Peak earthquake
 Illinois 5.3 9 November 1968 1968 Illinois earthquake
 Indiana 5.1 27 September 1909 1909 Wabash River earthquake
 Iowa 5.0–5.1 12 November 1934 [44]
 Kansas 5.1 24 April 1867 1867 Manhattan, Kansas earthquake
 Kentucky 7.6–7.9 16 December 1811 1811–1812 New Madrid earthquakes
 Louisiana 4.2 ML 19 October 1930 [45]
 Maine 5.9 21 March 1904 [46]
 Maryland 5.8 23 August 2011 2011 Virginia earthquake
 Massachusetts 5.9 18 November 1755 1755 Cape Ann earthquake
 Michigan 4.6 ML 10 August 1947 [47]
 Minnesota 4.6 ML 9 July 1975 1975 Morris earthquake
 Mississippi 7.6–7.9 16 December 1811 1811–1812 New Madrid earthquakes
 Missouri 7.6–7.9 16 December 1811 1811–1812 New Madrid earthquakes
 Montana 7.2 17 August 1959 1959 Hebgen Lake earthquake
 Nebraska 7.0 15 November 1877 [48]
 Nevada 7.3 16 December 1954 1954 Fairview earthquake
 New Hampshire 6.5 1 June 1638 1638 New Hampshire earthquake
 New Jersey 5.3 29 November 1783 1783 New Jersey earthquake
 New Mexico 6.2 15 November 1906 [49]
 New York 5.8 5 September 1944 1944 Cornwall–Massena earthquake
 North Carolina 5.2 21 February 1916 [50]
 North Dakota 4.4 8 July 1968 [51]
 Ohio 5.4 9 March 1937 [52]
 Oklahoma 5.8 3 September 2016 2016 Oklahoma earthquake
 Oregon 8.7–9.2 26 January 1700 1700 Cascadia earthquake
 Pennsylvania 5.2 25 September 1998 1998 Pymatuning earthquake
 Puerto Rico 8.0–8.3 2 May 1787 1787 Boricua earthquake
 Rhode Island 4.7 10 June 1951 [53]
 South Carolina 6.9–7.3 31 August 1886 1886 Charleston earthquake
 South Dakota 4.5 2 June 1911 [54]
 Tennessee 7.6–7.9 16 December 1811 1811–1812 New Madrid earthquakes
 Texas 6.5 16 August 1931 1931 Valentine earthquake
 Utah 7.0 13 November 1901 1901 Richfield earthquake
 U.S. Virgin Islands 7.5 18 November 1867 1867 Virgin Islands earthquake and tsunami
 Vermont 4.0 31 March 1953 [55]
 Virginia 5.8 23 August 2011 2011 Virginia earthquake
 Washington (state) 8.7–9.2 26 January 1700 1700 Cascadia earthquake
 West Virginia 5.8 23 August 2011 2011 Virginia earthquake
 Wisconsin unk. 6 May 1947 1947 Wisconsin earthquake
 Wyoming 7.2 17 August 1959 1959 Hebgen Lake earthquake

See also

References

  1. 1 2 3 4 5 6 7 8 9 10 11 12 "Significant Earthquakes Full Search, sort by Date, Country". www.ngdc.noaa.gov. Archived from the original on 2020-08-03. Retrieved 2020-01-23.
  2. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 USGS (June 24, 2013). "Preferred Magnitudes of Selected Significant Earthquakes" (PDF). earthquake.usgs.gov. Archived (PDF) from the original on August 31, 2020. Retrieved May 5, 2020.
  3. ↑ "M 6.8 - Owens Valley, California". earthquake.usgs.gov. Archived from the original on 2020-08-03. Retrieved 2020-01-23.
  4. ↑ "M 7.9 - Kodiak Island region, Alaska". earthquake.usgs.gov. Archived from the original on 2019-08-13. Retrieved 2019-08-13.
  5. ↑ "M 7.3 - Southeastern Alaska". earthquake.usgs.gov. Archived from the original on 2019-08-13. Retrieved 2019-08-13.
  6. ↑ "M 7.8 - south of the Aleutian Islands". earthquake.usgs.gov. Archived from the original on 2019-12-31. Retrieved 2019-08-13.
  7. ↑ "M 6.6 - Utah". earthquake.usgs.gov. Archived from the original on 2020-08-03. Retrieved 2020-01-23.
  8. ↑ "M 8.2 - Alaska Peninsula". earthquake.usgs.gov. Archived from the original on 2019-08-13. Retrieved 2019-08-13.
  9. ↑ "M 7.6 - Southern Alaska". earthquake.usgs.gov. Archived from the original on 2019-08-13. Retrieved 2019-08-13.
  10. ↑ "M 7.8 - Fox Islands, Aleutian Islands, Alaska". earthquake.usgs.gov. Archived from the original on 2019-08-13. Retrieved 2019-08-13.
  11. ↑ "M 7.6 - Southeastern Alaska". earthquake.usgs.gov. Archived from the original on 2019-08-13. Retrieved 2019-08-13.
  12. ↑ "M 7.7 - Kalapana Earthquake". earthquake.usgs.gov. Archived from the original on 2019-08-13. Retrieved 2019-08-13.
  13. ↑ "M 7.2 - offshore Northern California". earthquake.usgs.gov. Archived from the original on 2019-08-13. Retrieved 2019-08-13.
  14. ↑ "M 8.0 - Andreanof Islands, Aleutian Islands, Alaska". earthquake.usgs.gov. Archived from the original on 2019-08-13. Retrieved 2019-08-13.
  15. ↑ Das, Shamita; Kostrov, B. V. (1990). "Inversion for seismic slip rate history and distribution with stabilizing constraints: Application to the 1986 Andreanof Islands Earthquake". Journal of Geophysical Research: Solid Earth. 95 (B5): 6899–6913. Bibcode:1990JGR....95.6899D. doi:10.1029/JB095iB05p06899. ISSN 2156-2202. Archived from the original on 2021-06-15. Retrieved 2021-06-15.
  16. ↑ "M 6.4 - Central California". earthquake.usgs.gov. Archived from the original on 2020-08-03. Retrieved 2020-01-23.
  17. ↑ "M 7.9 - Gulf of Alaska". earthquake.usgs.gov. Archived from the original on 2019-08-13. Retrieved 2019-08-13.
  18. ↑ "M 7.8 - Gulf of Alaska". earthquake.usgs.gov. Archived from the original on 2019-08-13. Retrieved 2019-08-13.
  19. ↑ "M 7.1 - south of Alaska". earthquake.usgs.gov. Archived from the original on 2019-08-13. Retrieved 2019-08-13.
  20. ↑ "M 7.0 - Alaska Peninsula". earthquake.usgs.gov. Archived from the original on 2019-08-13. Retrieved 2019-08-13.
  21. ↑ "M 7.0 - 136km WSW of Brookings, Oregon". earthquake.usgs.gov. Archived from the original on 2019-08-13. Retrieved 2019-08-13.
  22. ↑ "1992 – St. George, UT – M 5.8". quake.utah.edu. Intermountain Seismic Belt Historical Earthquake Project. Archived from the original on 2020-03-18. Retrieved 2020-03-18.
  23. ↑ "M 7.0 - off the coast of Northern California". earthquake.usgs.gov. Archived from the original on 2019-08-13. Retrieved 2019-08-13.
  24. ↑ "M 7.9 - Andreanof Islands, Aleutian Islands, Alaska". earthquake.usgs.gov. Archived from the original on 2019-08-13. Retrieved 2019-08-13.
  25. ↑ "M 7.0 - Kodiak Island region, Alaska". earthquake.usgs.gov. Archived from the original on 2019-08-13. Retrieved 2019-08-13.
  26. ↑ "M 6.9 - Kodiak Island region, Alaska". earthquake.usgs.gov. Archived from the original on 2019-08-13. Retrieved 2019-08-13.
  27. ↑ "M 7.8 - Rat Islands, Aleutian Islands, Alaska". earthquake.usgs.gov. Archived from the original on 2020-08-03. Retrieved 2020-01-23.
  28. ↑ "M 7.2 - off the coast of Northern California". earthquake.usgs.gov. Archived from the original on 2019-08-13. Retrieved 2019-08-13.
  29. ↑ "M 7.5 - Southeastern Alaska". earthquake.usgs.gov. Archived from the original on 2019-08-13. Retrieved 2019-08-13.
  30. ↑ "M 6.5 - 56km W of Tonopah, Nevada". earthquake.usgs.gov. Archived from the original on 2020-12-11. Retrieved 2020-05-15.
  31. ↑ "Archived copy". earthquake.usgs.gov. Archived from the original on 2020-07-22. Retrieved 2020-07-22.{{cite web}}: CS1 maint: archived copy as title (link)
  32. ↑ "Archived copy". earthquake.usgs.gov. Archived from the original on 2020-08-09. Retrieved 2020-08-12.{{cite web}}: CS1 maint: archived copy as title (link)
  33. ↑ "Archived copy". earthquake.usgs.gov. Archived from the original on 2020-11-01. Retrieved 2020-10-19.{{cite web}}: CS1 maint: archived copy as title (link)
  34. ↑ "Archived copy". earthquake.usgs.gov. Archived from the original on 2021-07-29. Retrieved 2021-07-29.{{cite web}}: CS1 maint: archived copy as title (link)
  35. ↑ "M 6.4 - 15km WSW of Ferndale, CA". earthquake.usgs.gov. Retrieved 2022-12-28.
  36. ↑ 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. Archived (PDF) from the original on 25 April 2015. Retrieved 13 July 2015.
  37. ↑ Gibbons, Helen (November 2009). "USGS Scientists Respond to Deadly Samoa Tsunami". United States Geological Survey. Archived from the original on 5 May 2015. Retrieved 5 May 2015.
  38. ↑ "M 6.6 - Front Range, west of Fort Collins, Colorado". earthquakes.usgs.gov.
  39. ↑ "Largest Earthquake in Connecticut – Today in History: May 16". connecticuthistory.org. 16 May 2020. Retrieved April 16, 2022.
  40. ↑ "M 4.1 - 3 km NNE of Little Creek, Delaware". earthquakes.usgs.gov. Retrieved April 16, 2022.
  41. ↑ Bridges, C.A. "What was Florida's largest earthquake?". The Daytona Beach News Journal. Retrieved 1 January 2024.
  42. ↑ "M 4.5 - 11 km SSW of Madison, Georgia". earthquakes.usgs.gov. Retrieved April 16, 2022.
  43. ↑ NGDC (1972). "Significant Earthquake Database" (Data Set). National Geophysical Data Center, NOAA. doi:10.7289/V5TD9V7K.
  44. ↑ Wiser, Mike. "Quakes rare, but Iowa has shaken". IowaNews.com. Retrieved 1 January 2024.
  45. ↑ "Despite Lack of Headlines, Louisiana In Earthquake Zone". wafb.com. Retrieved April 18, 2022.
  46. ↑ "History of Maine Earthquakes". The Northeast States Emergency Consortium. Retrieved 1 January 2024.
  47. ↑ "Today in Earthquake History: August 10th". USGS.gov. Retrieved 8 November 2023.
  48. ↑ "NEBRASKA EARTHQUAKE HAZARDS". Shakeout.org. Retrieved April 16, 2022.
  49. ↑ Jochems, Andy; Love, Dave. "Earthquakes in New Mexico". New Mexico Bureau of Geology & Mineral Resources. Retrieved 1 January 2024.
  50. ↑ "M 5.2 - 3 km NNE of Royal Pines, North Carolina". earthquake.usgs.gov. Retrieved April 16, 2022.
  51. ↑ Anderson, Fred J. "North Dakota Earthquake Catalog (1870-2015)" (PDF). Retrieved 8 November 2023.
  52. ↑ "Largest earthquakes in Ohio". ohiohistorycentral.org. Retrieved April 16, 2022.
  53. ↑ Heim, RJ. "The deeper long history of mostly minor earthquakes in Southern New England". Turnto10.com. NBC 10. Retrieved 1 January 2024.
  54. ↑ "Earth-shaking information about South Dakota earthquakes". keloland.com. 18 June 2021. Retrieved April 16, 2022.
  55. ↑ "History of Earthquakes in Vermont". The Northeast States Emergency Consortium. Retrieved 1 January 2024.
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