Drone video: Expanding cracks, slow-moving landslide on Rattlesnake Ridge

Two hours southeast of Seattle along Interstate 82, drivers will find the Rattlesnake Hills – with a fissure in the ridge so big it can be seen from the road on a clear day.

With the daunting crevice comes a slow-moving, 20-acre landslide that has gradually inched downward on Rattlesnake Ridge near Yakima for months.

Washington Department of Natural Resources released new drone video that gave a new look into the hillside.

Geologists and engineers don’t know exactly what the scale of the slide will be when it hits the base of the ridge, but they’ve conceived several scenarios of what could happen – with some alarming residents, drivers, and emergency crews.

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