2025-08-15T23:28:06.0000Z27.3133128.304646.462manualconfirmedIRIS4.4mb1Origin/20250815235153.546114.258912Magnitude/20250815235153.546168.258913IRISRYUKYU ISLANDS, JAPANregion nameNEIC PDEcatalogus6000r1iycontributorID