( NewsNation) — A tsunami warning has been issued for areas of southcentral and southwest Alaska. It follows a 7.3-magnitude ...

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

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

A volcanic eruption in southwest Iceland has prompted evacuations, including at nearby tourist sites like the Blue Lagoon.