Shallow M6.0 earthquake hits South Sandwich Islands region
A strong and shallow earthquake registered by the USGS as M6.0 hit the South Sandwich Islands region at 23:42 UTC on March 14, 2025. The agency is reporting a depth of 35.4 km (22 miles). EMSC is reporting the same magnitude and depth.
Image credit: TW/SAM, Google
The epicenter was located 2 340 km (1 450 miles) NE of Edinburgh of the Seven Seas (population 271), Tristan da Cunha, Saint Helena, and 2 555 km (1 590 miles) WSW of Ushuaia (population 56 825), Tierra del Fuego, Argentina.
There is no tsunami threat from this earthquake.
The USGS issued a Green alert for shaking-related fatalities and economic losses. There is a low likelihood of casualties and damage.
Overall, the population in this region resides in structures that are a mix of vulnerable and earthquake-resistant construction. The predominant vulnerable building types are adobe block with concrete bond beam and unreinforced brick with concrete floor construction.
Estimated population exposure to earthquake shaking
Regional seismicity
References:
1 M6.0 earthquake South Sandwich Islands – USGS – March 14, 2025
2 M6.0 earthquake South Sandwich Islands – EMSC – March 14, 2025
Rishika holds a Master’s in International Studies from Stella Maris College, Chennai, India, where she earned a gold medal, and an MCA from the University of Mysore, Karnataka, India. Previously, she served as a Research Assistant at the National Institute of Advanced Studies, Indian Institute of Science, Bengaluru, India. During her tenure, she contributed as a Junior Writer for Europe Monitor on the Global Politics website and as an Assistant Editor for The World This Week. Her work has also been published in The Hindu newspaper, showing her expertise in global affairs. Rishika is also a recipient of the Women Empowerment Award at the district level in Haryana, India, in 2022.
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