A rare underwater eruption at Hunga Tonga sent water vapor into Earth’s atmosphere, cooling the stratosphere and reshaping ...

This assessment shows how Hunga’s water-rich plume reshaped the stratosphere in ways not seen before,” said Tim Naish, Chair ...

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

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 ...

WELLINGTON, New Zealand — New Zealand and Australia have sent military surveillance flights to assess the damage in Tonga caused by Saturday's huge undersea volcanic eruption. Communications with the ...

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 ...

The Hidden Climate Power of Sulfur Dioxide When massive volcanic eruptions occur, they inject millions of tons of sulfur dioxide into the stratosphere, where it forms sulfate aerosols that scatter ...

Researchers at the University of Bristol and Scottish Universities Environmental Research Centre have discovered that super-eruptions occur when huge accumulations of magma deep in the Earth's crust, ...

An international assessment report has been released to provide definitive statements on the atmospheric impacts from a huge ...