2026-09-10T04:02:49.63Z37.829166412354-121.96483612065.9400000572205manualconfirmedUSGS1.13md1Origin/20260910040446.386708.36446Magnitude/20260910040446.386768.36447USGS1 km SW of Diablo, CAregion namenccatalognc75432997contributorID