Juliana Marins, a Brazilian tourist in her 20s, fell off a cliff down an active volcano in Indonesia on June 21 and was discovered dead days later, according to her family and officials.

SAO PAULO — A young Brazilian hiker who fell hundreds of meters from the ridge of a towering Indonesian volcano and was trapped there for almost four days was found dead on Tuesday, Brazil's ...

The magma plume is trapped beneath a thick portion of Earth's crust and the upper part of the mantle, the planet's middle layer.

Volcanology articles from across Nature Portfolio Volcanology is the study of the generation and movement of molten rock on Earth and other planetary bodies, primarily through volcanoes and ...