Volcanoes are grouped into four types: cinder cones, composite volcanoes, shield volcanoes and lava volcanoes. Cinder cones are circular or oval cones made up of small fragments of lava from a single ...

They're born. They live once, erupting for a period that might last for days, years or decades. Then, they go dark and die. This narrative describes the life of a monogenetic volcano, a type of ...

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 ...

The Popocatépetl volcano, located southeast of Mexico City, stands as the second highest peak in Mexico and is considered to be one of the potentially most dangerous volcanoes in the world, given its ...

The Hawaiian Volcano Observatory is "closely" monitoring the eruption, but says there's currently "no indication that populated areas are threatened" Hawaii’s Kilauea volcano is erupting for the ...

Shiny and elusive, featherlight and golden-brown. If poets were to write about rocks, I’m sure they would sing their praises of Pele’s hairs. Don’t be fooled, though, because Pele’s hairs are strands ...

One of the world’s most active volcanoes, located in Kilauea, Hawaii, erupted for the seventh time since December, according to the U.S. Geological Survey. At approximately 1:30 p.m. local time Monday ...

Episode 7 of Kīlauea's ongoing eruption began at 6:41 p.m. HST (11:41 p.m. ET) on January 27, marking the latest phase of volcanic activity at the Halemaʻumaʻu crater in Hawaii. Sustained lava ...

The Philippine Institute of Volcanology and Seismology (Phivolcs) on Sunday raised the status of Bulusan Volcano to alert ...

The Philippine Institute of Volcanology and Seismology (Phivolcs) on Sunday raised Alert Level 1 (low-level unrest) over Bulusan Volcano in Sorsogon due to weeks of seismic activity. In an advisory, ...