2026-10-21T17:48:37.73Z38.831832885742-122.785499572752.75manualconfirmedUSGS1.04md1Origin/20261021175020.829967.97971Magnitude/20261021175020.830027.97972USGS6 km WNW of Cobb, CAregion namenccatalognc75452941contributorID