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Earthquakes:
Highest Magnitude, Frequency
| Highest
Magnitude Earthquakes |
|
# |
Location |
Date |
Magnitude |
1 |
Chile |
22
May 1960 |
9.5 |
|
2 |
Prince William Sound, Alaska, USA |
28
March 1964 |
9.2 |
|
3 |
Andreanof Islands, Alaska, USA |
9 March 1957 |
9.1 |
|
4 |
Kamchatka, Russia |
4
November 1952 |
9 |
|
5 |
Sumatra, Indonesia |
26 December 2004 |
9 |
|
6 |
off coast of Ecuador |
31 January 1906 |
8.8 |
|
7 |
Rat Islands, Alaska, USA |
4 February 1965 |
8.7 |
|
7 |
Off coast of Sumatra, Indonesia |
28 March 2005 |
8.7 |
|
9 |
Assam-Tibet |
15 August 1950 |
8.6 |
10 |
Kamchatka, Russia |
3 February 1923 |
8.5 |
10 |
Banda Sea, Indonesia |
1 February 1938 |
8.5 |
10 |
Kuril Islands, Russia-Japan |
13 October 1963 |
8.5 |
Frequency of Occurrence
of Earthquakes |
|
Degree |
Magnitude |
Annual Average |
|
great |
8
and higher |
1 |
|
major |
7-7.9 |
17 |
strong |
6-6.9 |
134 |
moderate |
5-5.9 |
1,319 |
light |
4-4.9 |
13,000* |
minor |
3-3.9 |
13,000* |
very
minor |
2-2.9 |
13,000* |
 |
Notes
*estimate
Sources
Gates, A. E. and D. Ritchie. Encyclopedia of Earthquakes
and Volcanoes, 3rd edn. New York: Facts On File, 2007.
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