2023-09-01T08:56:26.0000Z39.5843143.289128.38manualconfirmedIRIS4.4mb1Origin/20230901122320.259497.476385Magnitude/20230901122320.259584.476386IRISOFF EAST COAST OF HONSHU, JAPANregion nameNEIC PDEcatalogus7000kskncontributorID