1975 Hawaii earthquake

1975 Hawaii earthquake
Hilo Honolulu
Date	November 29, 1975 (1975-11-29)
Magnitude	7.2 M_w
Epicenter	19°20′02″N 155°01′26″W / 19.334°N 155.024°W / 19.334; -155.024Coordinates: 19°20′02″N 155°01′26″W / 19.334°N 155.024°W / 19.334; -155.024
Areas affected	United States, Hawaii
Tsunami	yes
Casualties	2

The 1975 Hawaii earthquake was a large earthquake and tsunami event in Hawaii. The quake measured 7.2 on the Moment magnitude scale, and was felt across several of the Hawaiian Islands. This event was notable for the large tsunami that was as high as 47 feet triggered by the quake. Two people were killed and 19 others were injured. Significant damage occurred in the southern part of the Big Island worth $4.1 million from the shaking and the tsunami. The tsunami was also detected in Alaska, California, Japan, Samoa, and on Johnston and Wake Islands. The earthquake also caused significant changes to shorelines along the southern coast of the Big Island with subsidence of 12 feet observed causing some areas to be permanently submerged. It also triggered a small brief eruption of Kilauea volcano. The quake itself occurred on the Hilina Slump, which was responsible for a more powerful earthquake and tsunami in 1868.

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← Earthquakes in 1975 →

Kinnaur (6.8, Jan 19) † Near Islands (7.6, Feb 2) Haicheng (7.3, Feb 4) †‡ North Atlantic (7.9, May 26) Morris (4.3, July 9) Lice (6.7, Sep 6) † Hawaii (7.2, Nov 29)

† indicates earthquake resulting in at least 30 deaths ‡ indicates the deadliest earthquake of the year

Earthquakes in the United States

Historical	1638 New Hampshire 1663 Charlevoix 1700 Cascadia 1755 Cape Ann 1811–12 New Madrid 1812 Wrightwood 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

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 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 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 Hawaii 2007 Alum Rock 2008 Illinois 2008 Chino Hills 2010 Eureka 2010 Illinois 2010 Baja California 2010 Indiana 2011 Colorado 2011 Virginia 2011 Oklahoma 2014 Aleutian Islands 2014 Southeast Alaska 2014 South Napa 2016 Oklahoma

Swarms	2001 Enola 2008 Reno 2010–11 Guy-Greenbrier 2012 Brawley 2009–16 Oklahoma

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1975 Hawaii earthquake

See also

Sources