2026-06-15T07:46:30.43Z37.832164764404-122.0531692504912.810000419617manualconfirmedUSGS0.92md1Origin/20260615074901.168707.33382Magnitude/20260615074901.168765.33383USGS3 km SW of Alamo, CAregion namenccatalognc75376836contributorID