2026-05-21T14:03:21.74Z38.836166381836-122.819999694822.0899999141693manualconfirmedUSGS0.66md1Origin/20260521140524.628331.32234Magnitude/20260521140524.628392.32235USGS9 km W of Cobb, CAregion namenccatalognc75366557contributorID