2023-09-04T21:12:40.0000Z37.0458141.750135manualconfirmedIRIS4.4mb1Origin/20230904214302.337308.497561Magnitude/20230904214302.337362.497562IRISNEAR EAST COAST OF HONSHU, JAPANregion nameNEIC PDEcatalogus7000kt8tcontributorID