2026-09-13T07:05:48.96Z38.838165283203-122.823165893561.75manualconfirmedUSGS0.64md1Origin/20260913070739.515573.59689Magnitude/20260913070739.515637.59690USGS9 km WNW of Cobb, CAregion namenccatalognc75434762contributorID