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Earthquake in Southern California From Wikipedia, the free encyclopedia
The 1973 Point Mugu earthquake occurred at 06:45:57 local time on February 21 in the Point Mugu area of southeastern Ventura County of southern California. It had a moment magnitude of 5.8 and a maximum Mercalli Intensity of VII (Very strong). This oblique-slip shock resulted in several injuries and $1 million in damage. The epicenter was near the Oxnard Plain and the northern terminus of the Santa Monica Mountains, in the California South Coast region.
UTC time | 1973-02-21 14:45:57 |
---|---|
ISC event | 764165 |
USGS-ANSS | ComCat |
Local date | February 21, 1973 |
Local time | 06:45:57 PST [1] |
Magnitude | 5.8 Mw [1] |
Depth | 10 km (6.2 mi) [1] |
Epicenter | 34.04°N 119.03°W [1] |
Type | Oblique-slip[2] |
Areas affected | South Coast (California) United States |
Total damage | $1,000,000 [3] |
Max. intensity | MMI VII (Very strong)[3] |
Peak acceleration | 0.13 g [2] |
Casualties | Several injured [4] |
At the most extreme points of its perceptibility along the coast, it was felt between intensity I and III (Not felt – Weak) at San Luis Obispo in the north and San Diego in the south. Inland, it was felt at McFarland in the central valley and Cantil in the western Mojave Desert, and to the southeast in Palm Springs.[5]
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