As ice sheets began melting at the end of the last ice age, a series of cataclysmic floods called the Missoula megafloods scoured the landscape of eastern Washington, carving long, deep channels and ...

Some of the largest floods in earth history drained through the Columbia River during Pleistocene glacial periods (Baker, 2009). These events are known as the Missoula Floods or the Scabland Floods.

Enormous volumes of floodwater from the Missoula megafloods once poured over Dry Falls, which stretches 3.5 miles wide and drops 400 feet to a plunge pool now fed by groundwater. Photo by Tamara Pico.

When Glacial Lake Missoula's ice dam shattered, a northern arm of the lake drained in a matter of hours through a narrow gap in Montana's Blackfoot River valley. One can only imagine the extraordinary ...

Richard Waitt, who holds a doctorate in geology from the University of Washington, will give a lecture at the next Lake Lewis Chapter of the Ice Age Floods Institute meeting at 7 p.m. Tuesday in the ...

Geologists couldn't account for the strange landforms of eastern Washington State. Then a high school teacher dared to question the scientific dogma of his day. Remnant of a lost landscape, this ...