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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 ).
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.
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.
The Alder Creek Bridge in Manchester, California, is located within an Alquist-Priolo Earthquake Fault Zone. [ 2 ] Buildings built before 1972 may still lie on top of active faults, and those buildings can remain where they were originally built, unless they undergo a major remodel where more than 50% of the building changes.
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)
Los Angeles has widely felt two quakes in a week: Monday's magnitude 4.4 in El Sereno and last week's magnitude 5.2 about 18 miles southwest of Bakersfield.In both cases, the state's early warning ...
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: 18.5: VII 1 person died and some damage was caused. 1: 15 [35 ...
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