2026-04-28T23:15:55.62Z38.822834014893-122.842834472662.2799999713898manualconfirmedUSGS1.66md1Origin/20260428231816.344332.20111Magnitude/20260428231816.344393.20112USGS9 km NW of The Geysers, CAregion namenccatalognc75353457contributorID