With Spurr rumbling near Anchorage, let's look at some of the largest eruptions in the most volcanically active state of the ...

Cinder cones are simple volcanoes that form where vents, or openings, spit out ash and lava. They can be cone- or oval-shaped, usually with a bowl-like crater at their summits. When a cinder cone ...

Cinders and ash accumulate at angles that can reach around 30 degrees, sometimes forming cones ... Some Kuril volcanoes lie partially submerged, forming flooded calderas where the ocean flows in.

According to park staff: … the park was established as a unit of the national park system in 1916 shortly after a series of highly publicized, dramatic volcanic eruptions of Lassen Peak in 1914 and ...

MANILA, Philippines — The Kanlaon Volcano emitted ash lasting for more than two hours on Friday afternoon, according to the Philippine Institute of Volcanology and Seismology (Phivolcs).

Guatemalan authorities evacuated around 1,000 people Monday after Central America’s most active volcano erupted, spewing lava, ash and rocks. Residents with traumatic memories of a deadly ...

JAKARTA, March 17 (Xinhua) -- Semeru Volcano in East Java erupted seven times on Monday morning, throwing ash up to 1,000 meters, according to a Mount Semeru Observation Post operator.

When this volcano eventually blows, it won't be lava flows or choking clouds of ash that threaten surrounding cities, but lahars: violent, fast-moving mudflows that can tear across entire ...