People reported feeling the earthquake as far as south Pierce County, north of Seattle and around Port Orchard.

Non-volcanic tremor ramp up precedes slow slip in Cascadia by about a day, indicating that brittle-creeping process ...

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

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 ...

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

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

Late Cretaceous left-lateral strike-slip faulting indicates a major change in the subduction direction of the Paleo-Pacific Plate beneath Eurasia, according to a method that uses zircon (U-Th)/He ...

The last major Cascadia quake struck in 1700, and with an average recurrence interval of 550 years, so that means, the next ...

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

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

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

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