Tristan : Recent Seismic Activity Along the mid-Atlantic Ridge
Submitted by Tristan Times (Juanita Brock) 19.05.2018 (Article Archived on 14.07.2018)

We have corrected the location reports with reference to Tristan da Cunha, which mistakingly has been listed as St Helena on the original report.

M 5.4 - Southern Mid-Atlantic Ridge
2018-05-18 10:53:55 UTC 33.194°S 15.948°W 10.0 km depth
Nearby Places
Direction data (below) indicate the position of the event relative to the place.
Edinburgh of the Seven Seas, Tristan da Cunha 542.6 km (337.2 mi) NW Population: 271
São João da Barra, Brazil2782.5 km (1729.0 mi) ESEPopulation: 20,606
Armação de Búzios, Brazil2791.6 km (1734.6 mi) ESEPopulation: 23,463
Arraial do Cabo, Brazil2792.4 km (1735.1 mi) ESEPopulation: 26,163
Guarapari, Brazil2794.8 km (1736.6 mi) ESEPopulation: 100,925




M 4.9 - 126km NNE of Visokoi Island, South Georgia and the South Sandwich Islands
2018-05-18 06:35:54 UTC 55.602°S 26.659°W 10.0 km depth
Nearby Places
Direction data (below) indicate the position of the event relative to the place.
Edinburgh of the Seven Seas, Tristan da Cunha 2327.2 km (1446.0 mi) SSW Population: 271
Ushuaia, Argentina2612.9 km (1623.6 mi) ENEPopulation: 58,028
Río Gallegos, Argentina2805.6 km (1743.3 mi) EPopulation: 85,700
Puerto Deseado, Argentina2807.8 km (1744.7 mi) EPopulation: 10,237
Punta Arenas, Chile2839.1 km (1764.2 mi) ENEPopulation: 117,430




M 4.9 - 120km NNE of Visokoi Island, South Georgia and the South Sandwich Islands
2018-05-18 06:16:44 UTC 55.640°S 26.795°W 10.0 km depth
Nearby Places
Direction data (below) indicate the position of the event relative to the place.
Edinburgh of the Seven Seas, Tristan da Cunha 2335.4 km (1451.2 mi) SW Population: 271
Ushuaia, Argentina2603.6 km (1617.8 mi) ENEPopulation: 58,028
Río Gallegos, Argentina2796.5 km (1737.7 mi) EPopulation: 85,700
Puerto Deseado, Argentina2799.4 km (1739.5 mi) EPopulation: 10,237
Punta Arenas, Chile2829.9 km (1758.4 mi) ENEPopulation: 117,430



M 5.4 - Southern Mid-Atlantic Ridge
2018-05-18 10:53:55 UTC 33.194°S 15.948°W 10.0 km depth
Nearby Places
Direction data (below) indicate the position of the event relative to the place.
• Edinburgh of the Seven Seas, Saint Helena542.6 km (337.2 mi) NWPopulation: 271
• São João da Barra, Brazil2782.5 km (1729.0 mi) ESEPopulation: 20,606
• Armação de Búzios, Brazil2791.6 km (1734.6 mi) ESEPopulation: 23,463
• Arraial do Cabo, Brazil2792.4 km (1735.1 mi) ESEPopulation: 26,163
• Guarapari, Brazil2794.8 km (1736.6 mi) ESEPopulation: 100,925



M 5.1 - 166km S of Bristol Island, South Sandwich Islands
2018-05-18 16:34:38 UTC 60.522°S 26.638°W 31.4 km depth
Nearby Places
Direction data (below) indicate the position of the event relative to the place.
• Tolhuin, Argentina2476.9 km (1539.1 mi) EPopulation: 3,000
• Ushuaia, Argentina2520.5 km (1566.2 mi) EPopulation: 58,028
• Punta Arenas, Chile2764.2 km (1717.6 mi) EPopulation: 117,430
• Río Gallegos, Argentina2772.0 km (1722.4 mi) EPopulation: 85,700
• Puerto Deseado, Argentina2872.7 km (1785.0 mi) ESEPopulation: 10,237