Ash can also shoot miles high into the sky and rain down for many miles around, posing a hazard for people quite far from an active volcano. (Learn about how lightning can help signal the start of ...

MANILA, Philippines — Kanlaon Volcano expelled ash for more than three hours on Thursday morning, January 16, according to Phivolcs. This is one of the longest ash emission events recorded at ...

The Greenland ice cores included ash layers and microscopic volcanic glass—shards “roughly one-tenth the diameter of a human hair,” Hutchison says in a statement. Chemical analyses of these ...

MANILA, Philippines — Kanlaon Volcano on Negros Island spewed ash again yesterday, according to the Philippine Institute of Volcanology and Seismology. Phivolcs said the ash emission occurred ...

It is one of six volcanic systems located under Europe's biggest glacier Vatnajokull. In the event of a subglacial eruption, there is a risk of an ash eruption and subglacial flooding from under ...

A new study based on the sampling and analysis of volcanic ash at Cumbre Vieja volcano in the Canary Islands, located off Africa's northwest coast, suggests that the composition of magma could ...

TERNATE, Indonesia — Thousands of people declined on Thursday a government-led evacuation in eastern Indonesia where a volcano has been spewing smoke and ash ... would calm down soon so the ...

Five ash emission events of up to 125 minutes long were monitored at Kanlaon Volcano, according to the Philippine Institute of Volcanology and Seismology (PHIVOLCS) on Monday. PHIVOLCS said that 16 ...

Mount Semeru in East Java, Indonesia, erupted again on Wednesday, sending ash into the skies over Lumajang Regency, local authorities reported. A column of volcanic ash was thrown approximately 1 ...

"The primary hazard of concern at this time is high levels of volcanic gas which can have far-reaching effects down-wind (generally southwest) of the summit," the USGS wrote.