Most volcanoes form at the boundaries of Earth's tectonic plates, which are huge slabs of crust and upper mantle that fit together like puzzle pieces. Think of these plates as massive rafts floating ...

Erupting volcanoes spew molten lava, gas and rocks up into the air. But just how high can the lava go and how do eruptions work? That’s what eight-year-old Thomas from Leeds in the UK wanted to know.

Visual observations have been a backbone in studies of volcanoes, from 2,000 years ago to now. They remain fundamental to understanding how volcanoes work, and technological advancements, such as ...

Nearly 1 in 10 people live within 100 km of an active volcano. From Reykjavík, Iceland, to Yogyakarta, Indonesia, communities have accumulated deep awareness of—and respect for—the risks and ...

This chapter summarizes the principal conclusions and recommendations developed elsewhere in this report. Major conclusions are printed in italics and recommendations in bold. Basic research in the ...