Argentina’s Perito Moreno Glacier Collapses (PHOTOS)

  on March 05 2012 8:30 AM

The collapse of the Perito Moreno glacier near the city of El Calafate in the Patagonian province of Santa Cruz, southern Argentina, attracts thousands of tourists. This year, the leading edge of the glacier collapsed March 4.

The glacier, a massive tongue of ice in the Santa Cruz province that covers 250 square kilometres (97 square miles), advances every year into a lake, known as Lago Argentino.

As Perito Moreno moves forward, it cuts off a river feeding the lake. Water builds up pressure and slowly undermines the ice, forming a tunnel until ice sheets come tumbling down. The phenomenon repeats itself at irregular intervals, with the last major ice falls occurring in 2008, Reuters reports.

Check out below some of the pictures of the glacier as tourists wait to see if it collapses.

Argentina’s Perito Moreno Glacier Collapse, Tourists Watch in Awe

Tourists wait to see the rupture of the leading edge of the Perito Moreno glacier near the city of El Calafate in the Patagonian province of Santa Cruz, southern Argentina, March 2, 2012. REUTERS

Argentina’s Perito Moreno Glacier Collapse, Tourists Watch in Awe

Tourists look at the Perito Moreno glacier after the rupture of a massive ice wall near the city of El Calafate in the Patagonian province of Santa Cruz, southern Argentina, March 4, 2012. REUTERS

Argentina’s Perito Moreno Glacier Collapse, Tourists Watch in Awe

Tourists look at the Perito Moreno glacier after the rupture of a massive ice wall near the city of El Calafate in the Patagonian province of Santa Cruz, southern Argentina, March 4, 2012. REUTERS

Argentina’s Perito Moreno Glacier Collapse, Tourists Watch in Awe

The Perito Moreno glacier is seen after the rupture of a massive ice wall near the city of El Calafate in the Patagonian province of Santa Cruz, southern Argentina, March 4, 2012. REUTERS

Argentina’s Perito Moreno Glacier Collapse, Tourists Watch in Awe

The Perito Moreno glacier is seen after the rupture of a massive ice wall near the city of El Calafate in the Patagonian province of Santa Cruz, southern Argentina, March 4, 2012. REUTERS

Argentina’s Perito Moreno Glacier Collapse, Tourists Watch in Awe

Ice chunks broke off the Perito Moreno glacier near the city of El Calafate in the Patagonian province of Santa Cruz, southern Argentina, March 2, 2012. REUTERS

Argentina’s Perito Moreno Glacier Collapse, Tourists Watch in Awe

Tourists wait to see the rupture of the leading edge of the Perito Moreno glacier near the city of El Calafate in the Patagonian province of Santa Cruz, southern Argentina, March 2, 2012. REUTERS

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