Giant mounds of sand discovered beneath the North Sea off Norway may scramble what we know about a key geological process.

Megathrust earthquakes are large earthquakes that occur on faults found along the boundaries between tectonic plates. The ...

One night in 373 BCE, the earth beneath the Greek city of Helike groaned and cracked. As homes crumbled and temples collapsed ...

North Sea's giant sand mounds that perplexed scientists up until now have been found to be younger, denser sands that sank into older, lighter "ooze." ...

Mount Rainier was experiencing "the most significant seismic activity" at the volcano in more than 15 years as an "earthquake swarm" hit the site starting on Tuesday.

The M/V Akademik Fersman will shoot 4,500 km in the Laptev Sea starting in August, then move to acquire a further 3,200 km in the East Siberian Sea by the end of 2011.

What is the difference between a tsunami, a seismic sea wave and a tidal wave? Tsunamis can be seismic sea waves if they are created by an earthquake, but tsunamis can be generated by non-seismic ...