2026-06-17T02:26:48.0000Z-49.731163.93100manualconfirmedGNS3.9Mw(mB)1Origin/20260617024315.734306.55869Magnitude/20260617024315.734373.55870earthquakeGNS270 km south-west of Snares Islandsregion nameGNScatalog2026p451627contributorID