2026-09-24T08:30:11.8Z38.658832550049-122.88099670416.210000038147manualconfirmedUSGS1.74md1Origin/20260924083248.217881.13883Magnitude/20260924083248.21794.13884USGS5 km N of Healdsburg, CAregion namenccatalognc75440767contributorID