2026-09-04T23:46:28.03Z38.850166320801-122.848831176762.5manualconfirmedUSGS0.65md1Origin/20260904234842.462142.3339Magnitude/20260904234842.462209.3340USGS11 km WNW of Cobb, CAregion namenccatalognc75429927contributorID