Alaska’s Mount Spurr volcano is showing signs of increased activity, with small earthquakes, ground swelling, and melting ...

A volcano in southern Alaska is rumbling with seismic activity, which hints at the possibility that it might soon erupt.

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.

Scientists are keeping a close eye on three US volcanoes after their threat levels rose Thursday, suggesting eruptions may be ...