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Wanapum Dam on the Columbia River. (N3 Photo/Tom Banse)

Wanapum Dam on the Columbia River. (N3 Photo/Tom Banse)

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Earthquake Study Raises Risk Potential Around Central Wash. Dams

Tom Banse
08/14/2012

Central Washington was considered at low risk for earthquakes back when big hydropower dams went up on the Columbia River many decades ago. But a recently completed seismic hazard assessment has found greater earthquake potential for the area than previously thought.

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© Copyright 2012, Northwest News Network

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