2026-08-31T03:35:30.89Z38.823665618896-122.802833557132.2300000190735manualconfirmedUSGS0.74md1Origin/20260831033728.635923.42755Magnitude/20260831033728.635985.42756USGS7 km NW of The Geysers, CAregion namenccatalognc75427512contributorID