2026-08-18T21:54:59.12Z37.346668243408-118.6924972534217.459999084473manualconfirmedUSGS2.54md1Origin/20260818215833.225063.428056Magnitude/20260818215833.225125.428057USGS11 km SW of Round Valley, CAregion namenccatalognc75420867contributorID