Giant Boulder on Clifftop in Tonga Was Carried by a 50-Metre-High Wave

Massive Tongan rock tumbled into place by tsunami

A 1200 tonne piece of limestone was transported at least 200m inland by a tsunami as it hit Tonga’s main island, Tongatapu, 7000 years ago. The Tongan rock is one of the largest known wave-transported boulders in the world. The landslide that probably triggered the tsunami was “most likely underwater, but could also be from a nearby volcanic island, or even from Tongatapu,” says University of Queensland PhD candidate, geologist Martin Köhler, wh…

How a two-story boulder ended up on a 120-foot-high cliff - West Hawaii Today

How a two-story boulder ended up on a 120-foot-high cliff – Nation and World News

World’s Largest Cliff-Top Boulder Was Rolled From 30-Meter-High Cliff By Ancient Tsunami

It’s one of the three largest coastal boulders known to be moved by such forces, and the only one this size that started on a high cliff.

Giant boulder on clifftop in Tonga was carried by a 50-metre-high wave

A huge tsunami hit a cliff in Tonga 7000 years ago and carried a 1200-tonne boulder 200 metres inland, making it the biggest wave-lifted boulder ever found on a cliff

The discovery of a huge megaclast inside Tongatapu, Tonga's main island, offers new insight into the dynamics of tsunamis in this Pacific region. This 1,180-ton rock block is said to have been carried by a wave reaching a height of 50 metres, about 7,000 years ago, over a distance of more than 200 metres from the coast. Scientists see it as a key element in better anticipating the risks associated with the [...] This article Stunning discovery i…

World’s Largest Cliff-Top Boulder Provides Evidence of Ancient Tsunami in Tonga

Locally known as Maka Lahi, meaning ‘Big Rock,’ this boulder was moved more than 200 m inland by a tsunami around 7,000 years ago. The post World’s Largest Cliff-Top Boulder Provides Evidence of Ancient Tsunami in Tonga appeared first on Sci.News: Breaking Science News.