2026-05-11T14:03:55.64Z38.67516708374-122.886497497568.3100004196167manualconfirmedUSGS1.21md1Origin/20260511140554.422438.160863Magnitude/20260511140554.422501.160864USGS7 km NNW of Healdsburg, CAregion namenccatalognc75358846contributorID