Scientists have uncovered the source of a mysterious 2021 tsunami that sent waves around the globe in August 2021 when a magnitude 7.5 earthquake hit near the South Sandwich Islands. The epicenter was 47 km (29 miles) below the Earth’s surface — too deep…
A strong and shallow earthquake registered by the USGS as M6.0 hit South Sandwich Islands region at 01:24 UTC on January 25, 2022. The agency is reporting a depth of 10 km (6.2 miles). EMSC is reporting the same magnitude and depth. The epicenter was located about 2…
A shallow earthquake registered by the USGS as M6.0 hit South Sandwich Islands region at 03:39 UTC on December 20, 2021. The agency is reporting a depth of 10 km (6.2 miles). EMSC is reporting M6.0 at a depth of 5 km (3.1 miles). The epicenter was located about 2…
A strong and shallow earthquake registered by the USGS as M6.1 hit South Sandwich Islands region at 21:14 UTC on December 16, 2021. The agency is reporting a depth of 10 km (6.2 miles). EMSC is reporting M6.1 at a depth of 2 km (1.2 miles). The epicenter was located…
A shallow earthquake registered by the USGS as M6.0 hit South Sandwich Islands region at 08:33 UTC on December 3, 2021. The agency is reporting a depth of 9.9 km (6.1 miles). The EMSC is reporting M6.0 at a depth of 80 km (49.7 miles). This is the second M6+…
A shallow earthquake registered by the USGS as M6.1 hit the South Sandwich Islands region at 00:02 UTC on November 1, 2021, at a depth of 34 km (21 miles). EMSC is reporting M6.1 at a depth of 80 km (50 miles). The epicenter was located about 2 500 km (1 553 miles)…
A shallow earthquake registered by the USGS as M6.0 hit east of the South Sandwich Islands at 05:48 UTC on October 26, 2021. The agency is reporting a depth of 10 km (6.2 miles). EMSC is reporting the same magnitude and depth. The epicenter was located about 2 357…
A strong and shallow earthquake registered by the USGS as M6.2 hit the South Sandwich Islands region at 03:54 UTC on October 4, 2021, at a depth of 10 km (6.2 miles). EMSC is reporting the same magnitude and depth. The epicenter was located about 2 403 km (1 494…
A very strong M6.9 earthquake hit South Sandwich Islands region at 11:10 UTC on August 16, 2021, at a depth of 14 km (8.7 miles). This is the strongest of 127 aftershocks registered by the USGS after M7.5 and M8.1 on August 12. While this intense earthquake sequence…
Seismic observations suggest that M7.5 earthquake1 that struck South Sandwich Islands at 18:32 UTC on August 12 is a part of a complex seismic sequence. "Our current interpretation is that this earthquake is a foreshock to a M8.1 that occurred about 170 seconds…
