This vertical cliff consists of soft mud deposited on the Japan Trench bottom and was uplifted ~60 m by the 2011 megaquake. This was the first time that the fault scarp of a trench-type earthquake was ...

SAN FRANCISCO -- The evidence was hidden beneath a typical Northwest tangle of second-growth forest and brush -- evidence of the massive quake that struck Seattle about 1,100 years ago. Until a few ...

Small recreational vehicle driving the Dempster Highway near Dawson City, Yukon, Canada. Credit - Robert Postma/Design Pics Editorial/Universal Images Group—Getty Images High up in Canada’s Yukon ...

The fault scarp found on the ocean floor is nearly vertical. Its height is the equivalent to a seven- or eight-story building, which is considered exceptionally large. A slope beneath the cliff was ...

A suspected fault scarp — seen where the soil slumps at the center of this image — running through Washington’s Wenas Valley could be part of an active seismic system. U.S. Geological Survey ...

This vertical cliff consists of soft mud deposited on the Japan Trench bottom and was uplifted ~60 m by the 2011 megaquake. This was the first time that the fault scarp of a trench-type earthquake was ...

Just off the highway near Washington’s Tri-Cities, 20 miles southeast of Pasco, Steve Angster steps into a giant trench. In it, the U.S. Geological Survey geologist is hoping to find evidence of a ...

HAMILTON, Mont. – A mapping method used to look at floodplains in the Bitterroot Valley turned up something unexpected: a new fault line that just might cross under the Lake Como Dam. Jeff Lonn, a ...

With every small rumble that triggers their seismographs, Nevada geologists inch closer to understanding hazards posed by earthquake faults in the Las Vegas Valley. There's no time to waste, they say, ...