Very deep M6.8 earthquake hits northern Argentina

Very deep M6.8 earthquake Argentina january 20 2023 location map f

A very deep earthquake registered by the USGS and EMSC as M6.8 hit northern Argentina at 22:09 UTC on January 20, 2023. The depth of the earthquake was reported as 610.7 km (379 miles) by the USGS, and 586 km (364 miles) by the EMSC.

The epicenter was located 24.3 km (15.1 miles) SW of Campo Gallo (population 5 455), and 120 km (74 miles) NNW of Quimili (population 10 959), Santiago del Estero, Argentina.

1 253 000 people are estimated to have felt weak shaking.

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 vulnerable to earthquake shaking, though resistant structures exist. The predominant vulnerable building types are adobe block with concrete bond beam and unreinforced brick with concrete floor construction.

Very deep M6.8 earthquake Argentina january 20 2023 location map bg
Image credit: TW/SAM, Google

Estimated population exposure to earthquake shaking

Very deep M6.8 earthquake Argentina january 20 2023 usgs epe
Very deep M6.8 earthquake Argentina january 20 2023 usgs epet

Selected cities exposed

Very deep M6.8 earthquake Argentina january 20 2023 usgs sce

Regional seismicity

Very deep M6.8 earthquake Argentina january 20 2023 emsc rs
Very deep M6.8 earthquake Argentina january 20 2023 emsc rs depth

Featured image credit: TW/SAM, Google

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