2025-09-23T07:44:46.46Z37.4283332824707-118.55133056640613.9799995422363manualconfirmedUSGS2.08md1Origin/20250923074645.660402.629240Magnitude/20250923074645.660455.629241USGS4 km E of Round Valley, CAregion namenccatalognc75240822contributorID