Most of us would rather not think about what our lives will be like in the aftermath of the Big One – a magnitude 9.0 rupture ...

the stress exceeds the strength of the fault and it breaks free. This causes a shockwave of stored energy to travel up towards Earth's surface, which we feel as an earthquake. The Cascadia ...

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 ...

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 ...

The Cascadia fault line extends over 620 miles through the Puget Sound region, according to the Pacific Northwest Seismic Network. “There are several fault lines that pass under Seattle ...