The arch of the gigantic Argentinian glacier Perito Moreno, in Patagonia, broke in the night from Sunday to Monday during a storm that prevented tourists from witnessing this spectacular phenomenon, authorities said Monday. responsible for the environment.
Thousands of tourists, however, had made the trip especially to attend, as the collapse of huge blocks of pure blue ice is impressive.
But Los Glaciares National Park in Patagonia, located 2,000 km southwest of Buenos Aires, was closed when the phenomenon occurred.
The break "is still spectacular but this time more water has accumulated than the previous three or four times", explained a few days before to the news channel TN Luciano Bernacchi, director of Glaciarium, a museum located near the Glacier National Park.
According to this expert, this is a natural phenomenon for this type of glacier. The singularity of the latter is due to the fact that it progresses continuously unlike the others, which lose the frozen surface.
It is this accumulation that eventually causes the breaking up and detachment of gigantic blocks of ice
The front of the glacier is more than 60 meters above the water at its maximum height. which constantly falls pieces of different sizes, producing a strident sound comparable to a thunderclap, according to the website of Los Glaciares National Park.
The collapse of Perito Moreno, a World Heritage Site by Unesco, usually occurs in March, that is, late summer and early austral autumn.
This phenomenon, one of the most impressive natural spectacles in the world, occurs every two to four years since 2004 when it had not happened in the previous 16 years. The last time in 2016 was in broad daylight and thousands of tourists had attended.