2026-04-20T15:44:52.0000Z52.1867176.48289.032manualconfirmedIRIS4.4mb1Origin/20260420191611.968345.57753Magnitude/20260420191611.96841.57754IRISRAT ISLANDS, ALEUTIAN ISLANDSregion nameNEIC PDEcatalogus6000srkj,aka2026hthmgvcontributorID