A colossal landslide in Greenland unleashed a mega-tsunami that sent seismic waves around the globe, shaking the Earth for ...

A supervolcano eruption at Yellowstone would be one of the most catastrophic events in human history. With increased seismic ...

The USGS described the earthquake as "notable," confirming that it may have been felt by residents in Sand Point and nearby ...

Complete guide to Hawaii tsunamis including latest 2025 alerts, historical events, evacuation zones, warning systems, and ...

Wednesday’s magnitude 7.3 earthquake off Alaska’s Aleutian Islands chain struck in a region that has experienced a handful of ...

Scientists believe the July 16 Alaska earthquake is part of a series of multiple earthquakes of similar magnitudes in the ...