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.