Kanlaon Volcano on Negros Island released more than 2,000 metric tons of sulfur dioxide on Sunday, February 9, according to ...

USGS notes in a 1998 Rainier fact sheet that eruptions produce lahars: quick-moving mixtures of water, mud and volcanic rock that behave and look like “flowing concrete.” While this type of ...

Lahars are very destructive volcanic mudflows that can swallow everything in their paths. During the Mount St. Helens eruptions, lahars flowed up to 60 miles destroying 200 homes. Lahars are one ...

Local authorities have heightened their alert as moderate to heavy rains coupled with ash deposited along the slopes of the ...

Instead, many scientists fear the prospect of a lahar — a swiftly moving slurry of water and volcanic rock originating from ice or snow rapidly melted by an eruption that picks up debris as it ...

In any case, the result is the same: a volcanic mudslide known as a lahar. Lahars are also devastating – they can be hot or cold, and in steep areas can reach over 200 kilometers per hour.

Semeru has been showing heightened volcanic activity since November of last year. The 3,676-meter-high volcano erupted 475 ...

Eight volcanic earthquakes were detected at Kanlaon Volcano in Visayas on Saturday, the Philippine Institute of Volcanology ...

Lahars or debris flows: This term describes a hot or cold slurry of water and rock fragments that rushes down a volcano’s slopes like “rivers of concrete,” according to the USGS. These often ...

Mount Semeru is an active volcano in East Java, which is located on the island of Java in the south of Indonesia. According ...

Kanlaon Volcano in Negros Island emitted a 900-meter high ash plume from its crater while recording 35 volcano earthquakes in the past 24 hours, according to the Philippine Institute of Volcanology ...