2026-10-15T17:25:32.55Z40.337001800537-124.4349975585919.620000839233manualconfirmedUSGS2.95md1Origin/20261015172745.064364.58404Magnitude/20261015172745.064425.58405USGS13 km W of Petrolia, CAregion namenccatalognc75449946contributorID