2026-06-01T13:34:38.09Z38.841331481934-122.8190002441416.430000305176manualconfirmedUSGS0.54md1Origin/20260601133640.712995.27945Magnitude/20260601133640.713056.27946USGS9 km WNW of Cobb, CAregion namenccatalognc75369276contributorID