2026-05-20T18:52:03.63Z38.835498809815-122.790832519532.1500000953674manualconfirmedUSGS1.59md1Origin/20260520185429.120778.24390Magnitude/20260520185429.120838.24391USGS6 km WNW of Cobb, CAregion namenccatalognc75366237contributorID