A powerful 7.4-magnitude earthquake struck the South Atlantic Ocean on Friday, May 2, 2025, at 9:58 am local time (GMT -3). The epicenter was approximately 65 miles off the coast of Chile and Argentina. This resulted in a stronger impact on areas near the epicenter compared to a deeper quake of similar magnitude. The earthquake was felt across a vast region, with its effects still being reported in the hours following the event.
Tsunami Warning Issued for Chile.
It triggered a tsunami warning but causing no reported damage or injuries. The earthquake was felt primarily in the city of Ushuaia and to a lesser extent in towns across the province. Coastal areas within 185 miles of the epicenter were evacuated, and Chilean authorities issued a tsunami warning for Chile’s remote Magallanes region and the Chilean Antarctic Territory, with precautionary measures also taken in Argentina’s Tierra del Fuego region. The quake, which occurred at a depth of 10km, has triggered four smaller aftershocks in the region. According to the National Oceanic and Atmospheric Administration, Chile may face tsunami waves up to 9ft tall, while Antarctica could see waves of up to 3ft.
In contrast, the 2010 Chilean earthquake, which had a magnitude of 8.8, caused significant damage and loss of life. This earthquake led to widespread destruction, with economic losses totaling $30 billion USD or 17% of Chile’s GDP. Twelve million people, or 75% of the population, were in areas that felt strong shaking. Despite the extensive damage, only 521 fatalities were confirmed, with 56 people still missing and presumed dead in the tsunami.
Update:
No tsunami, damage or loss of life has been reported at this time.
A 7.5 magnitude earthquake struck off the coast of Argentina, prompting officials to warn of a potential tsunami heading for Chile. The quake, which occurred at a depth of 10km, has triggered four smaller aftershocks in the region. According to the National Oceanic and Atmospheric Administration, Chile may face tsunami waves up to 9ft tall, while Antarctica could see waves of up to 3ft.
https://www.bbc.com/news/articles/c8dg32qmg7qo
https://earthquake.usgs.gov/earthquakes/eventpage/us7000pwkn/map
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