Over 25 million cubic yards of rock and ice broke loose and plunged into Greenland's Dickson Fjord, creating a 650-foot-high ...

As the risk of tsunami waves from an 8.8 magnitude earthquake off the coast of Russia continues for the western coast of the United States, the National Weather Service is warning people not to return ...

SAN FRANCISCO (CBS SF/AP) -- An undersea volcano erupted in spectacular fashion near the Pacific nation of Tonga on Saturday, sending tsunami waves rolling thousands of miles across the Pacific, ...

Tsunamis are among the most powerful and destructive natural forces on Earth. These massive surges of water form through entirely different processes than regular ocean waves, and their size can range ...

Clean drinking water remains the priority for residents of Tonga, a week after an underwater volcanic eruption followed by a tsunami devastated the remote South Pacific island nation. Tongans lined up ...