Sunset Crater, a cinder cone volcano located north of Flagstaff, Arizona, is an iconic geological feature in the Southwest.

Climbing Cinder Cone is a steep, slow slog but worth every step. Waiting at the top of the 6,907-foot volcano are a sense of accomplishment and amazing views. A trail circles the rim, providing ...

Though its last eruption was a century ago, California's Lassen Peak is the centerpiece of a volcanic panorama.

One of the most splendid landscapes at Lassen Volcanic National Park, the Painted Dunes lie just southwest of Cinder Cone. These colorful pumice fields are the result of falling volcanic ash being ...

The 100-foot cinder cone that marks the spot of the prolific and most prominent vent in the 2018 Kilauea eruption has been christened with a name: Ahu‘aila‘au.

He described a 1.5-mile hike into a volcanic cinder cone that evidently collapsed upon itself about 740,000 years ago. "If there's a car in the parking lot, it's a busy day," Gullo said.

Fissure no. 8 has taken on a look of its own, in fact some might even say it looks like its own volcano now.