2026-09-29T16:06:37.41Z38.398834228516-122.424003601078.3000001907349manualconfirmedUSGS2.58md1Origin/20260929160908.876512.46522Magnitude/20260929160908.876596.46523USGS6 km W of Yountville, CAregion namenccatalognc75444432contributorID