2026-06-20T00:53:06.75Z40.292167663574-124.4008331298823.840000152588manualconfirmedUSGS1.72md1Origin/20260620005543.070821.26285Magnitude/20260620005543.070883.26286USGS10 km WSW of Petrolia, CAregion namenccatalognc75379921contributorID