Tongan volcanic eruption triggered by explosion as big as 'five underground nuclear bombs'

The Hunga Tonga underwater volcano was one of the largest volcanic eruptions in history, and now, two years later, new research has revealed its main trigger.

Tongan volcanic eruption triggered by explosion as big as 'five underground nuclear bombs'
The Hunga Tonga underwater volcano was one of the largest volcanic eruptions in history, and now, two years later, new research has revealed its main trigger.