2026-03-18T00:23:56.03Z38.816501617432-122.797500610352.75manualconfirmedUSGS1.27md1Origin/20260318002619.609545.150725Magnitude/20260318002619.609629.150726USGS6 km NW of The Geysers, CAregion namenccatalognc75329327contributorID