United States Geological Survey

Organization

U.S. federal agency responsible for studying natural hazards, ecosystems, and the environment

5 stories

Alaska Megatsunami Confirmed as Second Largest Ever Recorded

Alaska Megatsunami Recorded as Second Largest in History

7.7-Magnitude Earthquake Strikes Off Japan's Coast, Triggering Tsunami Warning

Scientists Determine Where Colorado River Was During 5-Million-Year Gap in Geological Record

Magnitude 7.4 Earthquake Strikes Indonesia, Triggering Tsunami Alert