Tucked in southcentral Alaska, this aggressive volcano might erupt anytime soon. Residents are urged to prepare themselves.

Volcanoes are rumbling as scientists monitor earthquakes at Washington's Mount Rainier and Alaska's Iliamna volcano.

Lava in Hawaii, seismic shaking in Alaska and underwater rumblings near Oregon. Scientists say it’s not the end of the world, ...

Earthquakes remind us that even the ground beneath our feet can have a mind of its own. For Anchorage citizens, that reality shook to life Thursday as the city hosted not one, but two earthquakes mere ...

Volcanoes across the country are beginning to wake up and erupt, and no one has a good explanation for why it's happening.

A seismologist from Seattle discussed recent volcanic activity across the United States. Here's what you should know.

North of Iliamna, another Alaskan volcano, Mount Spurr, has been experiencing swarms of shallow earthquakes since February. It's now at a normal advisory level.

North of Iliamna, another Alaskan volcano, Mount Spurr, has been experiencing swarms of shallow earthquakes since February. It's now at a normal advisory level.