Peru’s melting glaciers a deadly threat as temperatures rise

Reuters: High in the Peruvian Andes, the glacier-fed lake Laguna 513 brims with meltwater atop a populated valley in a region prone to earthquakes. Scientists warn that if a giant chunk of ice from the Hualcan glacier breaks off it could trigger a tsunami-like wave in Laguna 513 and send a lethal torrent of water cascading down the valley. It has happened before in the Andean nation. In 1970, a 7.9 magnitude earthquake shook ice blocks into highland lakes and unleashed an avalanche that buried the town......

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