Giant regions of the mantle where seismic waves slow down may have formed from subducted ocean crust, a new study finds.

Seismologists describe potential damage forecasts from ground shaking scenarios for moderate earthquakes in three regions of the Mexico City basin.

After the House of Representatives passed a resolution on Tuesday to fund the federal government and avoid a shutdown, two Oregon state lawmakers are denouncing proposed cuts — jeopardizing ...

A breakthrough study has provided the most detailed 3D look yet at the inner workings of the Tonga Subduction Zone, where ...

A recent swarm of small shallow earthquakes in Mexico City in 2019 and 2023 caused surprisingly strong ground shaking, ...

High-Resolution Anisotropic Tomography Reveals Mantle Flow Complexity and Slab-Plume Interactions, Redefining Subduction Zone ...

A string of earthquakes has hit Washington in recent weeks. Are they connected, and do they tell us anything about the odds ...

Not all mountains in the Yellowstone region are volcanic in origin. The Wind River Range, southeast of Yellowstone National ...

Earthquakes occur along fault lines between continental plates, where one plate is diving beneath another. Pressure builds between each plate, called fault stress. When this stress builds enough to ...