Geologists have uncovered the remains of a massive tectonic plate beneath the Pacific Ocean, a plate that had been hidden for ...

Geologists from the University of Hong Kong (HKU) have made a breakthrough in understanding how Earth's early continents ...

An international study has revealed how continental collisions may have supercharged the Earth's richest deposits of copper, ...

The Philippine Institute of Volcanology and Seismology (Phivolcs) on Monday acknowledged the possibility of future destructive earthquakes, but denied the ...

Lori Dengler told the Times-Standard, but she said “It’s not all that unusual.” Dengler told the Times-Standard that a famous and ...

The 1980 eruption cycle made Mount St. Helens one of the most famous volcanoes in the Cascades. But it is far from the only volcano in the range.

Alaska, Hawaii and areas along the mainland West Coast would be at risk if an earthquake erupts along the Cascadia subduction zone within the next 50 years.

Terrifying 1000-foot-tall ‘mega tsunami’ to hit US within the next…, could wipe part of America off the map, cities in danger are… Unlike smaller tsunamis, which may only produce waves a ...

A long-feared monster earthquake off the coast of California, Oregon and Washington could cause some areas to sink by more than 6 feet, dramatically heightening the risk of flooding.

The Cascadia Subduction Zone has historically produced 8.0 or larger magnitude earthquakes every 400 to 600 years, with the last striking in 1700.

This map (left image) indicates the sites of the 24 estuaries along the coast in the Cascadia subduction zone where Tina Dura and her team took geological core samples.