2026-11-08T17:54:20.48Z37.422668457031-121.673164367685.0300002098083manualconfirmedUSGS1.19md1Origin/20261108175615.910458.218655Magnitude/20261108175615.910524.218656USGS15 km ENE of Alum Rock, CAregion namenccatalognc75464037contributorID