2025-12-04T13:07:37.0000Z40.4431-126.025910manualconfirmedIRIS2.81Md1Origin/20251204153730.121686.135899Magnitude/20251204153730.121734.135900IRISOFF COAST OF NORTHERN CALIFORNIAregion nameNEIC PDEcatalogus7000rfi6,nc75274241contributorID