2025-07-27T13:23:00.22Z37.3543319702148-121.738670349121-0.29manualconfirmedUSGS1.47md1Origin/20250727132504.679957.57497Magnitude/20250727132504.680009.57498USGS8 km ESE of Alum Rock, CAregion namenccatalognc75215802contributorID