An explosion on Mount Spurr could generate massive cloud of ash, which could mess with airplanes and cause issues for humans.

A major U.S. city is under threat from a potential volcanic eruption after more than 20 earthquakes were recorded in Alaska.

The Alaska Volcano Observatory (AVO) has detected gradual and consistent ground inflation, a sign of potential magma accumulation beneath the surface. The AVO said an eruption was "likely ...

The likelihood of an Alaska volcano’s explosive eruption not far from the state ... “little or no additional warning” and pose a risk to people closer to the volcano, within about 15 ...

Researchers found that a potential powerful earthquake combined with rising sea levels could lead to a mega tsunami.

A new study has identified three states in the US could be hit by an earthquake and mega-tsunami in a handful of years.

They concluded after analyzing 1,700 small quakes that while there's some activity beneath Uturuncu, the volcano is at low risk for eruption anytime ... hazardous': Alaska volcano could erupt ...

Researchers used seismic tomography to reveal that fluid buildup, not magma, is driving Uturuncu’s deformation, indicating ...