The 1973 Point Mugu earthquake occurred at on February 21 with a moment magnitude of 5.8 and a maximum Mercalli Intensity of VII ("Very strong").
The 1973 Point Mugu earthquake occurred at 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").