clearcut

Environment
9:48 am
Fri March 28, 2014

Logging The Edge Of Oso Slide's No-logging Zone

Washington Department of Natural Resources image shows 2005 clearcut extending into no-logging zone at site of Oso landslide.
Credit Washington Department of Natural Resources

Washington State officials say they didn't approve clearcutting inside a no-logging zone directly above Saturday's deadly landslide in the town of Oso. But aerial photos show a clearcut extending into the zone where a loss of trees would heighten the risk of landslides.

Removing forest cover can increase the amount of rain water that finds its way underground. Geologists say the extra groundwater can destabilize the already unstable soils deep beneath landslide zones.

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