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

Before a volcano erupts, rising magma squeezes out emissions of carbon dioxide visible from space, but trees might be a ...

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.

Scientific studies warn of potential mega-tsunamis threatening the U.S. Pacific Northwest, Alaska, and Hawaii due to ...

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

The May 18, 1980, eruption of Mount St. Helens in southern Washington claimed 57 lives and blasted the terrain of old-growth ...