Largest Earthquakes in the World Since 1900
This webpage is updated in January of each year to incorporate any relevant data from the previous year.
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|1.||Chile||1960 05 22||9.5||-38.29||-73.05||Kanamori, 1977|
|2.||1964 Great Alaska Earthquake||1964 03 28||9.2||61.02||-147.65||Kanamori, 1977|
|3.||Off the West Coast of Northern Sumatra||2004 12 26||9.1||3.30||95.78||Park et al., 2005|
|4.||Near the East Coast of Honshu, Japan||2011 03 11||9.0||38.322||142.369||PDE|
|5.||Kamchatka||1952 11 04||9.0||52.76||160.06||Kanamori, 1977|
|6.||Offshore Maule, Chile||2010 02 27||8.8||-35.846||-72.719||PDE|
|7.||Off the Coast of Ecuador||1906 01 31||8.8||1.0||-81.5||Kanamori, 1977|
|8.||Rat Islands, Alaska||1965 02 04||8.7||51.21||178.50||Kanamori, 1977|
|9.||Northern Sumatra, Indonesia||2005 03 28||8.6||2.08||97.01||PDE|
|10.||Assam - Tibet||1950 08 15||8.6||28.5||96.5||Kanamori, 1977|
|11.||Off the west coast of northern Sumatra||2012 04 11||8.6||2.311||93.063||PDE|
|12.||Andreanof Islands, Alaska||1957 03 09||8.6||51.56||-175.39||Johnson et al., 1994|
|13.||Southern Sumatra, Indonesia||2007 09 12||8.5||-4.438||101.367||PDE|
|14.||Banda Sea, Indonesia||1938 02 01||8.5||-5.05||131.62||Okal and Reymond, 2003|
|15.||Kamchatka||1923 02 03||8.5||54.0||161.0||Kanamori, 1988|
|16.||Chile-Argentina Border||1922 11 11||8.5||-28.55||-70.50||Kanamori, 1977|
|17.||Kuril Islands||1963 10 13||8.5||44.9||149.6||Kanamori, 1977|
|Updated 2012 April 11|
Johnson, J.M., Y. Tanioka, L.J. Ruff, K. Sataki, H. Kanamori, and L.R. Sykes, 1994, The 1957 great Aleutian earthquake, Pure and Appl. Geophys., 142, 3-28.
Kanamori, H., 1977, The energy release of great earthquakes, J. Geophys. Res. 82, 2981-2987.
Kanamori, H., 1988, Importance of historical seismograms for geophysical research, in Lee, W.H.K., Meyers, H., and Shimazaki, K., eds., Historical Seismograms and Earthquakes of the World: San Diego, Academic Press, p. 16-33.
Okal, E.A., and D. Reymond, The mechanism of great Banda Sea earthquake of 01 February 1983, 2003, Applying the method of Preliminary Determination of Focal Mechanism to a historical event, Earth Planet. Sci. Letts., 216, 1-15.
Park, J., T.-R. A. Song, J. Tromp, E. Okal, S. Stein, G. Roult, E. Clevede, G. Laske, H. Kanamori, P. Davis, J. Berger, C. Braitenberg, M. Van Camp, X. Lei, H. Sun, H. Xu, S. Rossat, 2005, Earth's free oscillations excited by the 26 December 2004 Sumatra-Andaman earthquake, Science, 308, 1139-1144.
PDE (Preliminary Determination of Earthquakes) Monthly Listing, U.S. Geological Suvery, Golden, CO.
The Andreanof Islands, Alaska earthquake of 1957 03 09, previously listed with a magnitude o f 9.1, has had its magnitude reviewed, and it was updated to 8.6.
The Ningxia-Gansu, China earthquake of 1920 12 16, previously listed with a magnitude of 8.6, has had its magnitude reviewed, and it was updated to 7.8.
The Tonga earthquake of 1917 06 26, previously listed with a magnitude of 8.5, has had its magnitude reviewed, and it was updated to 8.4.