The top range on the map (110-145 percent) corresponds to the most extreme earthquake damage – masonry and frame structures would be destroyed. The lower end of the scale (20-30) on the Seattle ...

KUOW's Deborah Wang produced this story as part of her 2010 series “On Shaky Ground.” The rocks and mud of the Pacific Northwest tell the story of much larger earthquakes that have hit this ...

New maps from the U.S. Geological Survey bring Seattle’s earthquake risk into sharper focus and add some unsettling details to what was already a grim picture. Recent surveys discovered a ...

A map has shown an underwater fault line ... an area of real worry that could cause a nine-plus magnitude earthquake.

east of Seattle on Tuesday morning. The earthquake hit at 2:17 a.m. at a depth of 14 kilometers below the earth’s surface. According to the USGS “Did You Feel It” map, people felt shaking as ...

Tens of millions of Americans live in places with a high earthquake risk ... economic damages include the San Francisco, Portland and Seattle metropolitan areas. Also topping this list were ...

New maps of more than 1,000 deep-seated landslides in the Puget Lowlands of Washington State provide evidence of the last major earthquake along the Seattle Fault about 1,100 years ago -- and may ...

Alaska, Hawaii and areas along the mainland West Coast would be at risk if an earthquake erupts along the Cascadia subduction zone within the next 50 years.

A new study from geologists at the Washington State Department of Natural Resources (DNR) has found that the impact of a magnitude 7.5 earthquake on the Seattle Fault could cause tsunami waves as ...

It’s a scenario that hasn’t been factored into hazard maps, building codes and ... more than 20 miles underground. “An earthquake on the Seattle Fault is … likely to be much, much more ...