Category South Sandwich Fracture Zone

Powerful Magnitude 6.2 Earthquake Strikes South Sandwich Islands Region — 2nd September 2026

A strong magnitude 6.2 earthquake struck the South Sandwich Islands region on 2nd September 2026 at 23:46 UTC, according to the USGS. The quake occurred at a depth of 125 km, placing it within the intermediate‑depth seismic zone associated with…

Magnitude 6.0 Earthquake at Depth 9 km Strikes South Sandwich Islands Region on 12th August 2026

Cross-section of subduction zone with magma chamber, seismic wavefronts, epicenter, oceanic crust, and mantle beneath volcanoes in the ocean

Source: EMSC A magnitude 6.0 earthquake struck the South Sandwich Islands region on 12th August 2026 at 11:47 UTC, according to data from the European‑Mediterranean Seismological Centre (EMSC). The earthquake occurred at a shallow depth of 9 km, which typically…

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…