2026-08-31T21:46:03.374Z-56.0847-28.0768148.298manualconfirmedUSGS4.4mb1Origin/20260831221028.399049.93599Magnitude/20260831221028.399137.936002026-08-31T22:10:28.412348ZSouth Sandwich Islands Regionregion nameOrigin/20260831221028.399049.93599