News and Opinion from Sisters, Oregon

Articles written by Larry Chitwood & Bob Jensen


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  • A torrent of debris

    Larry Chitwood and Bob Jensen, USFS Geologists|Updated Mar 19, 1996

    At the height of the February Flood of 1996, a torrent of water and debris careened 3,400 feet down a small canyon on Green Ridge. From the mouth of the canyon, an estimated 200,000 cubic feet of debris- laden water shot across a gently- sloped alluvial fan at about 30 miles per hour. Thirty seconds later the torrent reached the Metolius River at Mile 29 leaving in its wake a stark seven- acre field of boulders. About a dozen large trees survived the onslaught. Up to eight vertical feet of bark were battered away by rocks... Full story