5 fast facts about volcanoes Volcanic ash is made of fragments of rocks, minerals and volcanic glass. These pieces are the size of a grain of sand or smaller. The lava that erupts at Hawaii's ...

The Alaska Volcano Observatory said signs indicated a Mount Spurr eruption was likely, though not certain, in the weeks or ...

A volcano near Alaska’s largest city is showing new signs of unrest, with experts saying the likelihood of an eruption at ...

Researchers predict the most likely outcome of the unrest at Mt. Spurr is “one or more explosive events” that could last as ...

Standing at 12,300 feet, Guatemala's Volcan de Fuego is among the most active in Central America and last erupted in June 2023.

It last erupted in June 2023. The volcano spewed gas and ash far into the sky Monday, leading authorities to close schools in the vicinity and a key road connecting communities. Claudinne Ugalde ...

MANILA, Philippines — Magma is now coming out as ash from Kanlaon Volcano. The large amounts of volcanic ash the volcano scattered across Negros might just be useful. All that ash need not go to ...

The main two hazards of a volcano eruption would be ash clouds that could impact air travel and potential ash fall over regional communities, including Anchorage’s, according to Fee.

but instead has historically ejected huge plumes of volcanic ash as high as 45,000 feet into the atmosphere, disrupting air travel between the United States and Asia via the great circle routes ...