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Looking for earthquake faults

Greyson Howard
Sierra Sun

The Army Corps of Engineers will be digging around in the Martis Valley over the next few weeks, looking for earthquake faults.

Working to assess the Martis Creek Dam ” ranked the sixth-riskiest in the nation for downstream flooding ” the corps are looking into soil types under the dam and seismologic conditions of the area.

The land trust board voted to allow the Army Corps of Engineers into Waddle Ranch, said Perry Norris, executive director of the Truckee Donner Land Trust.

Engineers will cut trenches two feet wide, up to 10 feet deep, and between 25 and 50 feet long in the preserved property, Sarah Taddo of the land trust.

“Scientists will get down in the profile to study the soil horizon and look for any faults,” Taddo said.

The process should take two weeks from cutting into the earth to refilling and revegetation the trenches, she said.

“They’ve done a great job of responding to fire danger and sensitive resources, they are working with us tightly on that,” Taddo said.


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