2026-09-22T08:03:52.02Z37.510665893555-121.685997009286.1700000762939manualconfirmedUSGS0.94md1Origin/20260922121343.321605.771Magnitude/20260922121343.321677.772USGS20 km NE of Alum Rock, CAregion namenccatalognc75439882contributorID