Alaska officials are preparing to hold a lease sale for geothermal exploration rights at Augustine Volcano, a 4,133-foot peak that forms its own cone-shaped island in the southern part of Cook Inlet.

An active volcano near Alaska's most populated city could be on the brink of eruption, according to scientists who are constantly monitoring a potential threat.

A volcano in southern Alaska is rumbling with seismic activity, which hints at the possibility that it might soon erupt. Mount Spurr, an 11,070-foot-tall stratovolcano roughly 75 miles from Anchorage, ...

A volcano near Alaska's most populous city is showing signs it could be headed toward an eruption, officials said.

Scientists have issued a warning that a massive volcano in Alaska is on the brink of eruption. Mount Spurr, an ...