2026-04-20T22:55:19.94Z40.279666666667-124.5338333333319.16manualconfirmedUSGS2.45md1Origin/20260423214613.170659.91296Magnitude/20260423214613.170719.91297USGS22 km WSW of Petrolia, CAregion namenccatalognc75348822contributorID