2026-07-31T08:25:35.3Z40.332164764404-125.179664611822.7699999809265manualconfirmedUSGS2.53md1Origin/20260731082751.53579.256501Magnitude/20260731082751.535851.256502USGS76 km W of Petrolia, CAregion namenccatalognc75408997contributorID