The Cascadia subduction zone, where the oceanic Juan de Fuca plate descends beneath the overlying North American plate, extends 1100 km from northern California to northern Vancouver Island.

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 ...

A series of earthquakes, including a 4.5-magnitude event on Orcas Island, underscores the state’s seismic vulnerability due to its proximity to the Cascadia Subduction Zone and multiple active ...

The Cascadia subduction zone fault could kill thousands and render the greater Pacific Northwest unrecognizable during its next big slip. Researchers think the region is due for a devastating 8.0 ...

This is called the Cascadia Subduction Zone. According to the Washington State Department of Natural Resources (DNR), earthquakes happen in Washington every day, but most are too small to be felt.

Cities, including Portland, conducted the Iron-OR 24, a two-day simulation exercise ... However, Portland sits in the Cascadia Subduction Zone which is more inland than the BFZ.

With Washington’s location along the Cascadia Subduction Zone and several active fault lines in the state, more than 1,000 earthquakes occur in the state each year, according to the Washington ...

This is called the Cascadia Subduction Zone. According to the Washington State Department of Natural Resources (DNR), earthquakes happen in Washington every day, but most are too small to be felt.