2026-03-20T10:16:26.91Z40.421666666667-125.4091666666710manualconfirmedUSGS3.63mw1Origin/20260320200021.431754.341521Magnitude/20260320200021.431841.3415222026-03-20T10:19:34.026867Z2026-03-20T20:00:21.581108ZOff Coast of Northern Californiaregion nameOrigin/20260320200021.431754.341521