M6.3 earthquake hits South Sandwich Islands region
A strong earthquake, registered by the USGS as M6.3, hit South Sandwich Islands region at 00:13 UTC on October 25, 2022. The agency is reporting a depth of 81 km (50 miles). EMSC is reporting M6.1 at a depth of 10 km (6.2 miles).
The epicenter was located 2 493.6 km (1 549.5 miles) E of Tolhuin and 2 541.4 km (1 579.1 miles) E of Ushuaia, Argentina.
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.
Regional seismicity
Featured image credit: Image credit: TW/SAM, Google
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