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Topic: ground motion

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March 25, 2014 at 2:11 PM

UW seismometers record slide sequence

A seismometer about 7 miles from Saturday’s landslide recorded the ground rumbling as the hillside gave way. The instrument, at Jim Creek, picked up the initial slide at 10:37 am. The signal lasted about 2.5 minutes and probably represents the movement of the landslide mass that had sloughed off in 2006 and was lying at…


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