2026-10-22T14:38:24.74Z40.230667114258-124.1409988403310.529999732971manualconfirmedUSGS1.7md1Origin/20261022144052.332001.104895Magnitude/20261022144052.332071.104896USGS16 km SE of Petrolia, CAregion namenccatalognc75453396contributorID