MONDAY AT 5:30: Exploring active fault lines throughout Western Washington. ... See the maps and hear the history that helps us understand exactly why it’s so important that you are ready.

The U.S. Geological Survey's new seismic hazard maps, released this week, show two more earthquake faults in Western Washington: one near the Canadian border, the other east of Port Angeles.

CHEYENNE, Wyo. (AP) - Scientists have completed the most detailed map yet of one of North America’s most spectacular geologic faults with the hope of providing a better understanding of the ...

The Washington Geological Survey is finally able to survey the extent of little-known faults with new money from the legislature. One of those is the Doty Hills Fault, first identified back in the ...

Her goal is to one day map all the fault lines in the state. That way geologists can provide a risk assessment for people: the probability of when a fault line in each area is expected to rupture.

A new fault map from the Wyoming State Geological Survey shows the Teton Range is still growing, with its fault line getting ever-so-slightly taller each year.