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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).
Largest event of 1971. The 1971 Solomon Islands earthquakes was an example of a doublet earthquake. The first principle event struck on July 14. Many aftershocks followed. To minimise cluttering only aftershocks greater than magnitude 6.5 will be noted. A tsunami caused some damage in the area. 26 [129] [130] China, southern Xinjiang Province ...
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.
Four months after the 1971 earthquake, a methane gas explosion in a water tunnel being drilled beneath Sylmar killed 17 workers and is the worst tunneling disaster in California history. It resulted in the state adopting the toughest mining and tunnelling regulations in the United States. A memorial for the victims was erected in 2013. Cal/OSHA.
1971 Sylmar earthquake: Earthquake Greater Los Angeles Area, California: $500,000,000 65 2009 January 2009 North American ice storm: Winter storm Central United States: 64-77 1879 Fort Robinson massacre: Massacre Fort Robinson, Nebraska: 64 1903 Connellsville train wreck: Accident – railroad Connellsville, Pennsylvania: 64 1983 1983 United ...
The list incorporates high-quality earthquake source (i.e., origin time, location and earthquake magnitude) and fatality information from several sources. Earthquake locations are taken from the Centennial Catalog [ 1 ] and the updated Engdahl, van der Hilst and Buland earthquake catalog, [ 2 ] which is complete to December 2005.
The discovery of the wreckage gives the families of the victims "some closure and answers a lot of the questions they had,” he said. ... When the ice melted in the spring of 1971, debris from ...
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