2026-01-04T04:31:44.6Z38.8245010375977-122.7661666870121.97000002861023manualconfirmedUSGS1.27md1Origin/20260104043402.574556.126649Magnitude/20260104043402.574607.126650USGS4 km W of Cobb, CAregion namenccatalognc75290616contributorID