Ancient tsunami hurled 1,300-ton boulder, may be world-largest wave-thrown rock

A massive 1,300-ton boulder named Maka Lahi has been discovered on the island of Tongatapu in Tonga, believed to be one of the largest wave-transported rocks on Earth. Researchers estimate it was moved by a prehistoric tsunami with 50-meter waves around 7,000 years ago. The boulder's size and location provide crucial insights into the Pacific's tsunami history and present-day coastal hazards. This discovery is reshaping understanding of extreme tsunami events and improving hazard assessments for tsunami-prone regions worldwide.