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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 Ms scale and 6.6 on the Mw scale, and a maximum Mercalli intensity of XI ( Extreme ).
2× 2.8 MW [6] 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 ...
The park in December, 2017. / 34.32639°N 118.41667°W / 34.32639; -118.41667. The Veterans Memorial Community Regional Park is a large, 97-acre (39 ha), county park in the neighborhood of Sylmar in Los Angeles, California. It is on the foothills of the San Gabriel Mountains at the northeastern edge of the San Fernando Valley.
In 1971, four months after the 1971 earthquake, a methane gas explosion in a water tunnel being drilled beneath Sylmar killed 17 workers, and was the worst tunneling disaster in California history. It resulted in the state adopting the toughest mining and tunnel regulations in the United States, which culminated in the establishment of Cal/OSHA .
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 ...
Earthquake monitoring. The Pacoima Dam withstood, but was damaged by the very strong (>1 g) ground movement which occurred during both the 1971 San Fernando and 1994 Northridge earthquakes. Because of concerns about the stability of the dam and especially its response to potential future earthquakes, the County of Los Angeles, with the ...
The last two big earthquakes to strike Los Angeles — the 1971 Sylmar quake and 1994 Northridge quake — caused destruction and loss of life. But the worst damage was concentrated in relatively ...
The interchange appears briefly in the 2015 disaster film San Andreas, where it collapses yet again during a 9.1 earthquake. The cover photos for the Doobie Brothers' 1973 album The Captain and Me were taken at the interchange after it collapsed from the 1971 Sylmar earthquake. The interchange features in the P.O.D. music video for Alive.