The Earth's deep interior may absorb more chemical oxygen than previously thought, revealing a new geological process ...

Students were evacuated to the third storey of a school building after a 7.5-magnitude earthquake briefly prompted a tsunami warning in Tonga. Footage shows learners remaining on higher ground ...

A magnitude 7.5 earthquake was detected some 148 miles below the surface of the Pacific Ocean roughly 103 miles west of Neiafu, Tonga. According to the USGS, the quake was felt across several of the ...

What was accomplished in this year’s Tsunami Preparedness Week?

Earth's "gold kitchen" lies deep beneath the seafloor. Island arcs, whose volcanoes form above subduction zones where one ...

The Cascadia Subduction Zone is “unusually quiet,” for a megathrust fault, making it more difficult for scientists to ...

The Cascade Subduction Zone affects where the ocean meets the land, and that land is rising in some parts of the Oregon Coast. FILE - Crowds gather to watch the king tides at Indian Beach in Ecola ...

A recent study reveals that the Poás volcano has changed its eruption pattern, redefining the global ash-related risk map.

A megathrust earthquake is coming for the Pacific Northwest. But new imaging of undersea faults and fractures has given scientists even more information about the tectonic plates that will cause that ...

The Kilauea volcano in Hawaii erupted on Tuesday morning, spitting out football-sized particles into the air. Fallout of the particles were reported at overlooks in the Hawai'i Volcanoes National park ...