2026-06-04T08:28:40.91Z38.841167449951-122.824165344241.88manualconfirmedUSGS0.21md1Origin/20260604083115.287536.50821Magnitude/20260604083115.287602.50822USGS9 km WNW of Cobb, CAregion namenccatalognc75370661contributorID