2026-07-18T07:18:40.42Z40.321166992188-124.5309982299810.819999694824manualconfirmedUSGS2.11md1Origin/20260718072022.551572.145425Magnitude/20260718072022.551634.145426USGS21 km W of Petrolia, CAregion namenccatalognc75398246contributorID