This is a listing of some of the most powerful earthquakes in recent history, and the measurements that were recorded for them on the Richter Scale.

 

Japan (1933) 8.9
Valdez, AK (1964) 8.5
San Francisco, CA (1906) 8.3
Mexico City, Mexico (1985) 8.1
Indonesia (1977) 8.0
San Francisco, CA (1989) 7.1
Armenia, U.S.S.R., (1988)
Gulf of Alaska (1987)
6.9
Hawaii (1963)
Los Angeles, CA (1994)
6.6
Central Wyoming (1984) 5.3
Cheesequake, NJ (1979)
Westchester County, NY (1985)
3.5

 

Scholastic Math, December 1, 1989