Yellowstone, a popular tourist destination and namesake of an equally popular TV show, was the first-ever national park in ...

The U.S. Tsunami Center said the warning was in effect from about 40 miles southwest of Homer to Unimak Pass, a distance of ...

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

A magnitude 7.3 earthquake struck Alaska on Wednesday afternoon and a tsunami warning was canceled two hours later for the ...

A lava-spewing fissure has opened up along Iceland's Sundhnúkur crater row as the Reykjanes peninsula experiences another ...

More than 300 earthquakes have erupted at Washington's Mount Rainier this week, the largest earthquake swarm at the volcano ...

Just after the quake, NOAA's National Tsunami Warning Center issued Tsunami Warnings for the immediate Alaska coastline from ...

Your Wednesday headlinesAn earthquake was reported Wednesday morning near Charleston, South Carolina.According to the United ...

The United States and Japan concluded a weeklong disaster-response exercise that simulated a magnitude 7 earthquake, the ...

A 5.4-magnitude earthquake was reported in Alaska on Wednesday (July 16), according to the United States Geological Survey.