Biggest Wave Lifted a 1200-Tonne Boulder to a Cliff Top 7000 Years Ago, the Third Largest Boulder in the World In the remote island nation of Tonga, where the Pacific Ocean meets huge cliffs, the ...

Somewhere around 7,000 years ago, a tsunami struck the southern edge of Tongatapu, picked up a giant boulder, and slid it 200 meters (700 feet) inland. That’s remarkable, but we’ve found other huge ...