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The 1971 San Fernando earthquake (also known as the 1971 Sylmar earthquake) occurred in the early morning of February 9 in the foothills of the San Gabriel Mountains in southern California. The unanticipated thrust earthquake had a magnitude of 6.5 on the M s scale and 6.6 on the M w scale, and a maximum Mercalli intensity of XI ( Extreme ).
The Van Norman Dams, also known as the San Fernando Dams, were the terminus of the Los Angeles Aqueduct, supplying about 80 percent of Los Angeles' water, [5] until they were damaged in the 1971 San Fernando earthquake and were subsequently decommissioned due to the inherent instability of the site and their location directly above heavily populated areas.
1812 San Juan Capistrano earthquake: December 12, 1812: California: ... 1971 San Fernando earthquake: July 30, 1972: Alaska 7.6 M w 0 [11] February 2, 1975: Alaska:
The collapse of the San Fernando Veterans Administration hospital, a non-ductile concrete building, in the 1971 Sylmar earthquake led to the deaths of 49 people. Non-ductile concrete buildings in ...
United States, San Fernando Valley, California: 6.6: 9.0: XI One of the most destructive events to affect southern California. 65 people were killed and over 2,000 were injured in the 1971 San Fernando earthquake. Extensive property damage was reported with costs $505 million (1971 rate). 65: 2,000 14 [32] [33] [34] Iran, Semnan Province: 5.8 ...
1971 San Fernando earthquake (Los Angeles, California, US), also known as the "Sylmar earthquake" 1971 Solomon Islands earthquakes (great doublet, tsunami) Topics referred to by the same term
Friday is the 53rd anniversary of Southern California's 1971 San Fernando earthquake, which was recorded as magnitude 6.6. Also known as the Sylmar earthquake, it killed 64 people and caused over ...
The shake struck on the 53rd anniversary of the deadly 1971 Sylmar earthquake. Recorded at a magnitude of 6.6, the temblor, also known as the San Fernando earthquake, left 64 people dead and ...