Sediment cores drawn from four lakes in Guatemala record the distinct direction that ground shaking traveled during a 1976 ...

Down the road from Chimney Rock, Lake Lure, is also seeing a lot of heavy machinery. Army Corps crews are removing thousands ...

it is fair to assume that lake sediment may have been disturbed. To test this hypothesis, we extracted seven sediment cores, each about 2 meters (a little over 6 feet) long, along an east-west ...

Rock flour settled through the murky water and deposited as a layer of pale sediment on the floor of the lake. Those pale summer layers varied in thickness from a fraction of an inch to as much as ...

PITTSBURGH—By now, the U.S. Army Corps of Engineers has a good idea of the issue facing Chautauqua Lake. Now, everyone’s ...