A groundbreaking study in Science Advances reveals that Earth's tectonic plates are breaking apart under the Cascadia subduction zone. Geologists from Louisiana State University and the Lamont-Doherty ...

(a) Geological units and earthquake distribution of an oceanic subduction zone. The orange shadow beneath the volcanic arc represents partially molten areas and magma channels. (b) Thermal structure ...

A rock sample collected from an outcrop here provided evidence of a geologic journey more than 90 kilometers beneath Earth's ...

Add Yahoo as a preferred source to see more of our stories on Google. PORTLAND, Ore. (KOIN) – A new study mapping the Cascadia Subduction Zone is giving scientists clues about the state of the fault ...

The 1980 eruption cycle made Mount St. Helens one of the most famous and now best-monitored volcanoes in the Cascades. But it is far from the only volcano in the range. From southern British Columbia ...

A team of geoscientists has identified a subtle but powerful force driving mountain building and compression of Earth's crust in Japan and neighboring regions. The so-called same-dip double subduction ...

PORTLAND, Ore. (KOIN) – A major earthquake waiting to strike the Cascadia Subduction Zone isn’t the only natural disaster looming in the Pacific Northwest, new research shows. A powerful quake, ...

Understanding the origins of the Ring of Fire, the most seismically active place on Earth, is famously difficult as geologic evidence is destroyed in the process. Now a new study suggests that ...

When a magnitude 8.8 earthquake ruptured a fault offshore from Russia's Kamchatka Peninsula in 2025, it sent tsunami waves ...