All coverage
Tonga volcano blast hundreds of times more powerful than Hiroshima, NASA says
By Elisha Fieldstadt
How satellites have revolutionized the study of volcanoes
By Tereza Pultarova
Tonga volcano: Plume reached half-way to space
By Jonathan Amos
Satellite images show the aftermath of Tonga volcano's eruption
By Jonathan Franklin
Understanding a unique tsunami event caused by the Tonga volcano eruption
By Yong Wei, Vasily V. Titov & Robert Dziak
Photos capture devastation from Tonga volcano eruption
By Alice Chambers
Tonga eruption equivalent to 'hundreds of Hiroshima bombs,' NASA says
By Brandon Specktor
Tonga eruption was 'hundreds of times' more powerful than Hiroshima atomic bomb, NASA says
By Rhea Mogul & Alex Stambaugh