A little-known volcano on a remote Pacific island may have been the source of one of the 19th century’s most powerful ...

Lava domes are rounded, steep-sided mounds built by magma that is highly resistant to flow, usually either dacite or rhyolite. Such magmas are typically too viscous to move far from the vent ...

Geologists are closely monitoring Mount Spurr in the Aleutian Arc of Alaska, USA, after continued volcanic unrest. The Alaska ...

Kilauea's volcanic activity on Wednesday marked the fifth episode since the latest eruption began in December 2024.

NASA is working with Firefly Aerospace to construct the Blue Ghost 3 mission to investigate mysterious moon domes.

The park is home to more than 40 volcanoes, bubbling mudpots, steaming fumaroles, stunning mountain views and vast, naturally dark skies. The park's namesake peak is the one of the largest plug dome ...

The park is one of the only places on Earth to play host to all four types of volcanoes, including cinder cones, shield, composite, and plug dome volcanoes. While you’re here, you can discover ...

Rescuers helped an injured hiker and their climbing partner off Black Butte's treacherously icy trail. What makes Mt. Shasta's lava cone a challenge.

As of the most recent update provided by the US Geological Survey (USGS), current eruptive activity included small dome fountains of 16-33 feet that were feeding a short lava flow from the north vent.