Southern Californian Earthquakes (1987)

*** Video courtesy of and copyright owned by Television New Zealand (TVNZ) *** Broadcast (New Zealand): October 2nd, 1987. Broadcast (New Zealand): October 5th, 1987. Two One Network News reports (introduced by Judy Bailey). The first on the main Whittier Narrows earthquake (1987) and the second (three days later) on the aftershocks. The 1987 Whittier Narrows earthquake struck the southern San Gabriel Valley and surrounding communities of southern California at 7:42 am (PDT) on October 1, 1987. The magnitude 5.9 earthquake was originally assigned a magnitude of 6.0 but was revised a few days later when additional data became available. Its epicenter was in the town of Rosemead, California, at a depth of 9.5 km. The earthquake was caused by slip on a blind thrust fault near the northern end of the Whittier Fault, part of the Elsinore Fault Zone, on a previously unknown fault structure. There was no surface rupture. It has been proposed that the event occurred on an extension of the recently recognized Puente Hills thrust system. A magnitude 5.6 strike-slip aftershock occurred three days later, on October 4, causing additional damage, and one additional death. Three people died as a direct result of the earthquake. One death was of a Southern California Edison worker buried by a landslide in the Muir Peak area of the San Gabriel Mountains while working with a crew installing the footings for a high tension power tower north of Pasadena, California. Lupe Elias-Exposito was ...

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