Signs of the landslide were first discovered on Tuesday, April 4 by Washington's Department of Transportation workers, who noticed cracks on a hillside road.
The slide is about 1.5 miles west of the massive 2014 Oso landslide that killed 43 people – it is located on the opposite side of Highway 530, in Washington's Snohomish County.
Cracks in the roadway were about 6 inches wide on Tuesday, but had increased to 2 feet wide by Saturday, April 8. According to officials, the hillside has dropped about 4 feet vertically. Geologists from the state Department of Natural Resources (DNR) conducted an investigation on Friday and Saturday, trying to get a sense of how fast the landslide could be moving. DNR has placed monitors and sensors near the landslide and continues to evaluate movements during the weekend.
Although there is no debris from the landslide on Highway 530, the highway is closed from Oso Loop Road to C-Post Road as a precaution, according to the state's Transportation Department. The department will reassess the situation on Monday, April 10, and if no additional movement occurs, probably the highway will reopen.
On Friday night, officials recommended that people living in 10 homes nearby should evacuate - residents of eight homes did.
Source: The Seattle Times
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