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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.
Arrival of the four foreign ministers at the Allied Control Council headquarters building for the signing of the final protocol on 3 June 1972. The Four Power Agreement on Berlin, also known as the Berlin Agreement or the Quadripartite Agreement on Berlin, was agreed on 3 September 1971 by the reconvened Allied Control Council, consisting of ambassadors of the four wartime Allied powers.
Between 1964 and 1994, Los Angeles faced two big earthquakes, which both hit the suburban San Fernando Valley hard: the magnitude 6.6 Sylmar earthquake of 1971, which resulted in 64 deaths; and ...
This is a list of earthquakes in 1971. Only magnitude 6.0 or greater earthquakes appear on the list. Lower magnitude events are included if they have caused death, injury or damage. Events which occurred in remote areas will be excluded from the list as they wouldn't have generated significant media interest. All dates are listed according to ...
The plant supplies 6% of California's power, but carries a 1 in 37,000 chance of experiencing a Chernobyl-style nuclear meltdown within five years. Earthquake risks and rising costs: The price of ...
At least four events were recorded in the Ferndale area, with high activity also observed around the town of Petrolia, where at least 10 quakes ranging from 3.1 to 4.2 magnitude broke out.
1971 earthquake may refer to: 1971 Bingöl earthquake (Turkey) 1971 San Fernando earthquake (Los Angeles, California, US), also known as the "Sylmar earthquake" 1971 Solomon Islands earthquakes (great doublet, tsunami)