Aerial images show the devastation in Tonga left behind after a violent offshore volcanic eruption sparked a tsunami and clouded the sky with ash. Communications with the island nation have largely ...

A tsunami triggered by a volcanic eruption decimated some islands of the South Pacific nation of Tonga. The crushing effect on land and infrastructure can be seen from outer space. Three of Tonga’s ...

Now, more than three years later, the research team, which included a scientist from the Tonga Geological Services, has gathered crucial data to understand the dynamics of such a powerful eruption and ...

Since 2000, specialists at the National Museum of Natural History have produced the world’s foremost report on active volcanoes ...