2026-10-12T15:21:56.13Z40.289001464844-124.624832153320.73000001907349manualconfirmedUSGS3.43ml1Origin/20261012152444.028988.36858Magnitude/20261012152444.029049.36859USGS29 km W of Petrolia, CAregion namenccatalognc75448351contributorID