The Tigard Police and Public Works departments presented their plans to build a new, shared facility on Saturday at City Hall ...

This study, published in Earth and Planetary Physics, explores the subduction thermal state, slab metamorphism, and seismic ...

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

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

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

Seattle-based KPFF has received a Grand Award from the American Council of Engineering Companies for its work on the Portland ...

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

This earthquake is larger than much of the recent seismic activity around western Washington, per initial reports.

Residents are urged to secure household items, maintain emergency kits, and participate in statewide drills such as the Great ...