As oceans waves rise and fall, they apply forces to the sea floor below and generate seismic waves. These seismic waves are so powerful and widespread that they show up as a steady thrum on ...

Supercomputer simulations of planetary-scale interactions show how ocean storms and the structure of Earth's upper layers together generate much of the world's seismic waves. Decoding the faint but ...

When an ocean wave falls, the ground shakes. Now, those wobbles are getting bigger. Stormier seas and larger ocean swell in recent decades are pounding Earth’s seafloor with more force, sending larger ...

Kilauea showed early underground shifts before the 2018 eruption. New monitoring methods revealed pressure changes and ...

The massive 2018 eruption of Kīlauea Volcano on Hawai'i Island lasted for months, destroyed neighborhoods, and was associated ...

Dozens of earthquakes struck near Japan on Monday following a cluster of seismic activity that rocked the area over the ...

"Do not be glued to the screen. Evacuate now!" a Japanese newscaster shouted to his on-camera audience as tsunami warnings reached three continents. The tsunami waves turned out to be relatively ...