2026-05-01T18:30:13.63Z38.777667999268-122.765335083010.33000001311302manualconfirmedUSGS0.76md1Origin/20260501183228.058642.50351Magnitude/20260501183228.05871.50352USGS1 km W of The Geysers, CAregion namenccatalognc75355162contributorID