2025-03-18T17:57:07.64Z38.2571666666667-122.241166666667-0.18manualconfirmedUSGS1.53md1Origin/20250318235231.599363.156506Magnitude/20250318235231.59942.156507USGS6 km SSE of Napa, CAregion namenccatalognc75151152contributorID