2026-08-18T23:14:42.95Z38.831665039062-122.817497253421.88manualconfirmedUSGS0.9md1Origin/20260818231714.458648.428876Magnitude/20260818231714.458709.428877USGS8 km NW of The Geysers, CAregion namenccatalognc75420907contributorID