2025-06-10T04:34:32.0000Z-55.3668-28.135835manualconfirmedIRIS4.8mb1Origin/20250610045150.258514.127084Magnitude/20250610045150.258567.127085IRISSOUTH SANDWICH ISLANDS REGIONregion nameNEIC PDEcatalogus6000qjabcontributorID