San Fernando Earthquake - 1971 | Today In History | 9 Feb 17
5:54
Earthquake 1971!
The San Fernando earthquake occurred in the foothills of the San Gabriel Mountains in southern California. The unanticipated thrust earthquake had a magnitude of 6.5 on the Ms scale, and a maximum Mercalli intensity of XI. The event was one in a series that affected the Los Angeles area in the late 20th century.