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Massive landslide Discovered in Southwest Washington

Washington, USA
An entire stand of timber, 30 acres in size, was suddenly taken out by a landslide. A massive chunk of land appears to have given way spectacularly sometime over the past winter from the south flank of Greenleaf Peak, three miles north of North Bonneville. No one knows for sure when it happened in the remote forest, but hikers documented the aftermath this past week. "This was all rock. It's nothing like the oozing mudslide in Stevenson." Three to five acres of a rock cliff with timber on it slid, mowing down approximately 30 acres of old growth trees. The slide was about 750 feet wide and about a half mile in length. Scientists familiar with the area said the rock slide appears to be old lava atop an underlying formation of sedimentary rock that naturally dips toward the south. Scientists speculated that the slide may have been triggered by the intense rainstorm that clobbered Western Washington in December. The slide dropped about 1,000 feet in elevation. Big as it is, scientists said it's merely a sliver of the gargantuan complex of material that clogged the Columbia River about 550 years ago. Remnant material from one of the largest of those ancient slides, known as the Bonneville complex, is still apparent where the Columbia narrows at the Bridge of the Gods.

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