2026-06-16T17:35:56.23Z38.859001159668-122.821334838871.13manualconfirmedUSGS1.1md1Origin/20260616173814.995248.51105Magnitude/20260616173814.995315.51106USGS9 km WNW of Cobb, CAregion namenccatalognc75377956contributorID