2025-03-31T07:40:15.2Z40.2151679992676-124.1496658325211.4700002670288manualconfirmedUSGS2.83md1Origin/20250331074219.208756.51529Magnitude/20250331074219.20881.51530USGS17 km SSE of Petrolia, CAregion namenccatalognc75157992contributorID