2026-03-01T08:18:57.25Z38.8219985961914-122.7639999389652.2manualconfirmedUSGS1.6md1Origin/20260301082133.930843.94721Magnitude/20260301082133.930905.94722USGS4 km W of Cobb, CAregion namenccatalognc75320547contributorID