2023-12-20T22:12:54.0000Z47.9051146.9547435.664manualconfirmedIRIS4mb1Origin/20231221004239.020758.38194Magnitude/20231221004239.020807.38195IRISNORTHWEST OF KURIL ISLANDSregion nameNEIC PDEcatalogus7000lkhfcontributorID