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The 1994 Northridge earthquake affected the Los Angeles area of California on January 17, 1994, at 04:30:55 PST. The epicenter of the moment magnitude 6.7 ( M w ) blind thrust earthquake was beneath the San Fernando Valley . [ 3 ]
The Northridge Blind Thrust Fault (also known as the Pico Thrust Fault) is a thrust fault that is located in the San Fernando Valley area of Los Angeles.It is the fault that triggered the M w 6.7 1994 Northridge earthquake which caused $13–50 billion in property damage (equivalent to 24–93 billion today) and was one of the costliest natural disasters in U.S. history.
Northridge LA Area: 6.7 M w: IX 57 8,700+ $13–40bn ... Southern California Earthquake Data Center; Putting Down Roots in Earthquake Country – Earthquake Country ...
United States, California: 6.7 11.3 IX 1994 Northridge earthquake: This earthquake caused 57-60 deaths, 8,700 injuries, as well as between $13–50 billion in damages. Major damage occurred, especially in Los Angeles. It was one of the costliest natural disasters in American history. 57 8,700 17 [8] United States, California: 5.6 11.1 VII
The 1994 Northridge earthquake struck on January 17 and measured 6.7 on the Moment magnitude scale. It produced the largest ground motions ever recorded in an urban environment and was the first earthquake that had its hypocenter located directly under a U.S. city since the Long Beach earthquake of 1933 . [ 32 ]
Although this earthquake was much more powerful than the 1994 Northridge earthquake, the damage and loss of life were minimized by its location in the sparsely-populated Mojave Desert. The earthquake was a right-lateral strike-slip event, and involved the rupture of several different faults over a length of 75 to 85 km (47 to 53 mi).
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 January 17, 1994, Northridge earthquake caused the southbound SR 14 to northbound I-5 connector to collapse and a bridge crossing San Fernando Road farther north along I-5 to partially fail. It also caused the southbound SR 14 to southbound I-5 overpass to collapse directly onto the main I-5 freeway and the southbound I-5 truck bypass ...