2026-10-12T19:24:59.35Z37.333332061768-121.603332519536.2300000190735manualconfirmedUSGS0.67md1Origin/20261012193253.671504.38338Magnitude/20261012193253.671571.38339USGS20 km E of Alum Rock, CAregion namenccatalognc75448456contributorID