Struthers says they've seen the same thing happen with other landslides around the state. "Slides that exhibit movement over a many year period are not unusual. We have other slides in the state that we monitor and have monitored over a period of 5 to 10 years."
The fissure in Rattlesnake Ridge, and the potential landslide it may cause, is giving Yakima Valley residents good reason to refer to the county's biggest city as "Crack-ima". Here are other famous and cracks throughout human history.