The Cinder Cone Fire on the Mt. Taylor Ranger District in the Zuni Mountains burned 7.2 acres. The fire started on May 11 and ...

Cinder Cones are the simplest type of volcano, formed by the accumulation of tephra — ash, cinders, and larger fragments — erupted from a single vent. They are typically small, steep-sided ...

Ash released from shield volcanoes often builds up around the vent forming a steep, round hill known as a cinder cone. A lava tube may also form, beneath the surface of the ground, when low ...

This rugged landscape features cinder cones, spatter cones and lava tube caves formed from volcanic activity in the Great Rift, a series of cracks in the Earth that runs over a stretch of 52 miles. In ...

The Mount St. Helens eruption anniversary prompts investigation into the California earthquakes: eruption history, threat ...