2026-08-03T03:43:39.82Z38.841331481934-122.825164794921.74manualconfirmedUSGS1.47md1Origin/20260803034534.836679.278773Magnitude/20260803034534.836748.278774USGS9 km WNW of Cobb, CAregion namenccatalognc75410412contributorID