A 700-mile fault could snap by 2075, sinking parts of Portland, Seattle & SF. The Cascadia megaquake may trigger a 100-ft ...

Microseismic (MS) technology is one of the effective methods for engineering fracture monitoring and has been widely used in coal mining. The accurate P-phase arrivals are critical for improving the ...

Slow-motion earthquakes, as you might guess from the name, involve the release of pent-up geological energy over the course ...

Two small earthquakes struck the South Bay on Tuesday. The quakes hit less than two hours from each other. LOS ALTOS, Calif. ...

WASHINGTON, USA — A "swarm" of small earthquakes near the summit of Mount Rainier Tuesday is no cause for concern, according ...

Just off the coast of the Pacific Northwest is the Cascadia Subduction Zone, a complex collection of earthquake faults created by one tectonic plate pushing its way under another. Every 400-600 years, ...

In a scientific first, researchers have tracked the elusive motion of a rare variety of earthquake during a seismic event ...

Seafloor sensors caught a rare slow quake in action. It hints at how Earth's stress is quietly released. For the first time, ...

Full waveform inversion (FWI) is inherently an ill-posed inverse problem. Gradient preconditioning in FWI is crucial for improving the convergence and stability of the inversion process, as it helps ...

Bellingham Public Schools will likely ask voters to pass two new levies on the Nov. 4 ballot to bring in an additional $15 million a year to the district. One levy, a supplemental operations levy, ...

BAY VIEW, Skagit County — On a cloudy Friday morning, a group of volunteers huddled on the shore of the Padilla Bay National Estuarine Research Reserve, peering over Angelica Lucchetto’s shoulder at ...