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

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

Residents are urged to secure household items, maintain emergency kits, and participate in statewide drills such as the Great Washington ShakeOut. Emphasis remains on the “drop, cover, and hold on” ...

By Brian Brown, president and partner at food marketing agency Ingredient  For those living on the West Coast of North ...

Since Feb. 18, Washington has seen seven earthquakes with a magnitude above 2.5, including the strongest earthquake to hit the state in five years, a magnitude 4.5 that struck Orcas Island early in ...

The Cascadia Subduction Zone, capable of producing a 9.0 magnitude earthquake, last produced a major quake in 1700. The fault goes an average of 535 years between major quakes, according to the ...

Western Washington tends to have a higher risk of earthquakes than the eastern part of the state, since the state’s Pacific coast is closer to the Cascadia Subduction Zone. The Cascadia fault line ...

Subduction zone earthquakes: This earthquake results from the tension of an oceanic plate slipping beneath a continental plate. When enough stress builds, the fault will rupture, releasing a ...