2026-09-23T11:43:23.71Z38.841167449951-122.82616424562.1600000858307manualconfirmedUSGS0.57md1Origin/20260923114537.108638.7859Magnitude/20260923114537.108701.7860USGS9 km WNW of Cobb, CAregion namenccatalognc75440317contributorID