1. Figure 1: Map of the northern Cascadia subduction zone showing the distribution of earthquakes in the subducting Juan de Fuca plate and the locations of seismic cross-sections. Green dashed line ...

This earthquake comes just hours after a 2.8 magnitude struck in Bremerton early on Thursday morning. The initial shake map from the Pacific ... This is called the Cascadia Subduction Zone.

The Puget Sound Seismic Network (PNSN) recorded the earthquake at 9:54 a.m. Tuesday at a depth of just over 5 miles beneath the surface. Maps showed ... This is called the Cascadia Subduction ...

Wildfires and hurricanes are dominating the disaster spotlight, but the threat of a massive earthquake still simmers beneath the surface in the Pacific Northwest. The National Science Foundation ...