Melting ice is causing problems in Southern Chile – last week, melted ice caused a glacial lake to fill and then empty suddenly, causing a small tsunami as it rolled down through a river. Luckily, no-one was injured during the freak occurrence.

Scientists have said that Colonia glacier’s melt is increasing thanks for rising world temperatures. The increased melt filled the Cachet Lake and put increasing amounts of pressure on the ice sheet. The water then bored a five mile tunnel through the glacier before landing in the Baker River. Remarkably, the flow was so strong that the water actually moved against the river’s normal currents.

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