2025-12-09T09:09:47.0000Z41.2881142.327360.498manualconfirmedIRIS5.1Mww1Origin/20251209092911.745771.180732Magnitude/20251209092911.745823.180733IRISHOKKAIDO, JAPAN REGIONregion nameNEIC PDEcatalogusauto6000rtld,us6000rtldcontributorID