2025-10-18T09:16:41.5Z37.3463325500488-121.7083358764657.53999996185303manualconfirmedUSGS2.8md1Origin/20251018091907.754259.35172Magnitude/20251018091907.754311.35173USGS11 km ESE of Alum Rock, CAregion namenccatalognc75250956contributorID