Geologists have spent decades piecing together evidence to tell the story of the great that reshaped much ... who has written extensively on the Missoula floods. He said the modeling work provides ...

Washington scablands: Hundreds of square miles of Washington State were gouged by the great Missoula Floods 15,000 years ago. (Credit: Edmund Lowe Photography ...

The answer is this - the great Missoula Floods. Never has something so cataclysmic and so absolutely critical to the existence of our region been understood less (hopefully not the case once the ...

a sight that would have been common thousands of years ago when the great Missoula floods carved much of the Inland Northwest’s terrain. “When you’re playing on the logjam, well, why is that?

The great flood As cataclysms go, the Missoula Floods rank up there with Oregon’s Cascadia Subduction Zone quake of 1700. During the last ice age some 15,000 years ago, an advancing glacier ...

"Excluding the great glacial floods, it remains the flood of record for Missoula," said Todd Klietz, Missoula's floodplain administrator. "We haven't had anything close to it since." Remarkably ...

Moving glaciers grind together the rocks frozen within them, pulverizing them into powdery rock flour, which is generally very pale gray, almost white. The warmth of the long summer afternoons of ...

PORTLAND, Ore. — Geologists have developed a new computer model to simulate the massive Lake Missoula floods that repeatedly carved the Northwest landscape between 15,000 and 18,000 years ago.

The glacier, a southern tongue of the great Cordilleran ice sheet that ... arrived inside icebergs caught in a Glacial Lake Missoula flood. When the bergs grounded and melted here, the rocks ...