In Southeastern Washington, Geologists Dig Into The Past To Find Fault Signs Of Future Shaking

By Courtney Flatt
USGS volunteer John Lasher helps dig volcanic ash out of the trench in this dig area southeast of Pasco. CREDIT: Courtney Flatt/NWPB
Unlike the Cascadia Subduction Zone, the faults in eastern Washington are in the upper crust, (the outermost layer of the earth). That means they’re closer to the surface and to communities. They may not produce as large of an earthquake as the subduction zone off the coast, but the earthquakes these inland faults can produce could significantly damage infrastructure in Read More
Load More