Home Science Climate change: Scientists sound alarm on risk of 'mega-tsunamis' and deadly landslides

Climate change: Scientists sound alarm on risk of 'mega-tsunamis' and deadly landslides

Taking place in Taan Fiord, 310 miles (500km) east of Anchorage, this event was so powerful, it released the approximate equivalent of the explosive force of 340 tons of TNT.

This extraordinary seismic power generated a wave with a run-up – the vertical height a wave reaches up a slope – of 633ft (193m).

These natural hazards pose a serious threat to coastal societies.

In 1963, for example, a landslide into a reservoir created a wave that overtopped a dam in Vajont, Italy, killing more than 2,000 people living downstream.

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