2026-04-06T15:29:17.17Z38.811500549316-122.77999877930.64999997615814manualconfirmedUSGS0.26md1Origin/20260406153122.746082.156887Magnitude/20260406153122.746146.156888USGS4 km NNW of The Geysers, CAregion namenccatalognc75339892contributorID