2026-08-07T23:34:10.91Z37.564998626709-121.949836730966.2300000190735manualconfirmedUSGS1.59md1Origin/20260807233552.085896.318308Magnitude/20260807233552.085958.318309USGS4 km NE of Fremont, CAregion namenccatalognc75413742contributorID