Category South Sandwich Fracture Zone

Magnitude 5.7 Earthquake at Depth 10 km Strikes East of South Sandwich Islands on 15th July 2026

Diagram of Pacific Plate subducting below South American Plate with magma chambers and volcanic arc

A moderate magnitude 5.7 earthquake struck east of the South Sandwich Islands on 15th July 2026, occurring at 14:51 UTC. According to preliminary seismic data, the quake originated at a shallow depth of 10 km, which typically increases the likelihood…

Magnitude 5.5 Earthquake Depth 10 km Strikes South Sandwich Islands Region on 17th Feb 2026

In the Southern Ocean, a chain of islands forming part of the Scotia Arc. Volcanic islands, with some active volcanoes. Extreme weather conditions, including high winds and unpredictable storms. No permanent human settlements. South Georgia and South Sandwich Islands Maritime…

Magnitude 5.7 Earthquake Depth 53 km Strikes South Sandwich Islands Region on 16th Feb 2026

In the Southern Ocean, a chain of islands forming part of the Scotia Arc. Volcanic islands, with some active volcanoes. Extreme weather conditions, including high winds and unpredictable storms. No permanent human settlements. South Georgia and South Sandwich Islands Maritime…

Magnitude 6.0 Earthquake Depth 53 km Strikes South Sandwich Islands Region on 29th Jan 2026

In the Southern Ocean, a chain of islands forming part of the Scotia Arc. Volcanic islands, with some active volcanoes. Extreme weather conditions, including high winds and unpredictable storms. No permanent human settlements. South Georgia and South Sandwich Islands Maritime…

Magnitude 5.4 Earthquake Depth 70 km Strikes South Sandwich Islands Region on 17th Jan 2026

In the Southern Ocean, a chain of islands forming part of the Scotia Arc. Volcanic islands, with some active volcanoes. Extreme weather conditions, including high winds and unpredictable storms. No permanent human settlements. South Georgia and South Sandwich Islands Maritime…

Magnitude 5.7 Earthquake Depth 43 km Strikes South Sandwich Islands Region on 17th Dec 2025

In the Southern Ocean, a chain of islands forming part of the Scotia Arc. Volcanic islands, with some active volcanoes. Extreme weather conditions, including high winds and unpredictable storms. No permanent human settlements. South Georgia and South Sandwich Islands Maritime…

Magnitude 5.5 Earthquake Depth 35 km Strikes South Sandwich Islands Region on 8th Dec 2025

In the Southern Ocean, a chain of islands forming part of the Scotia Arc. Volcanic islands, with some active volcanoes. Extreme weather conditions, including high winds and unpredictable storms. No permanent human settlements. South Georgia and South Sandwich Islands Maritime…

Magnitude 5.7 Earthquake Depth 39 km Strikes South Sandwich Islands Region on 5th Nov 2025

Location: In the Southern Ocean, a chain of islands forming part of the Scotia Arc. Geography: Volcanic islands, with some active volcanoes. Climate: Extreme weather conditions, including high winds and unpredictable storms. Uninhabited: No permanent human settlements. Maritime Zone: South…