2023-12-02T20:03:10.0000Z27.6245126.5025208.525manualconfirmedIRIS4.4mb1Origin/20231204225714.078069.30411Magnitude/20231204225714.07812.30412IRISNORTHWEST OF RYUKYU ISLANDSregion nameNEIC PDEcatalogus7000lfm2contributorID