2025-08-27T17:11:06.61Z38.5581666666667-122.658166666667-0.53manualconfirmedUSGS1.09md1Origin/20250827190435.636342.385570Magnitude/20250827190435.636395.385571USGS7 km WSW of Calistoga, CAregion namenccatalognc75229452contributorID