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

Jan. 10, 2025 — 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 ...

In a remote corner of the U.S., active volcanoes wait patiently above the ridgelines, leaving residents on edge.

Kilauea is in a unique phase of activity in Halema‘uma‘u, with 12 episodes of dual lava fountains since Dec. 23, 2024.

Hazards associated with lava fountaining include the fallout materials (termed tephra), volcanic gas emissions ... and can build features such as cinder cones. Changes in wind direction and ...

These high lava fountains built the prominent Puʻupuaʻi cinder cone, which you can view on the Devastation Trail in Hawaiʻi Volcanoes National Park. Hazards associated with lava fountaining include ...

volcanic gas emissions; and lava flows. Tephra generally accumulates in the area immediately downwind of the vent and can build features such as cinder cones. Changes in wind direction and speeds ...

Explosive volcanic eruptions can inject sulfur dioxide (SO 2) into the stratosphere to form aerosol particles that modify Earth’s radiation balance and drive surface cooling. Eruptions involving ...

HAWAII VOLCANOES NATIONAL PARK – Hawaii's Kilauea volcano is at it again, with lava from the latest eruptive episode shooting nearly 600 feet into the air. According to the U.S. Geological Survey ...

HAWAII VOLCANOES NATIONAL PARK – Hawaii's Kilauea volcano is at it again, with lava from the latest eruptive episode shooting nearly 600 feet into the air. According to the U.S. Geological ...

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 ...