. "1812 Ventura earthquake" . . "1812-12-21" . . . . "1812 Santa Barbara earthquake" . "1812" . "largest earthquakes in California history" . . "earthquake" . . . . . . . . . "December 21, 1812" . . "December 21, 1812 earthquake" . . . . . "1812 Ventura earthquake" . . . . . "Ventura earthquake" . "2" .