2026-09-04T00:37:16.89Z38.783832550049-122.750167846680.09manualconfirmedUSGS1.28md1Origin/20260904003931.583359.73480Magnitude/20260904003931.58342.73481USGS1 km NE of The Geysers, CAregion namenccatalognc75429412contributorID