<Tr> <Td> </Td> <Td> It has been suggested that this article be merged into Rattlesnake Hills . (Discuss) Proposed since February 2018 . </Td> </Tr> <P> As of January 21, 2018, a large but slow landslide is occurring in the Rattlesnake Hills, about 3 miles south of Yakima in Washington, USA . The event first drew news coverage in late 2017, after a long fissure was discovered high on Rattlesnake Ridge: this fissure was reported to be 250 feet deep in one place . The first road closure for public safety was reported on December 17, 2017 . The Washington State Department of Natural Resources has a web - page providing information on the event, which reports that the moving mass of basalt is about 4 million tons, covering about 20 acres, and it is slipping roughly south at a rate of about 1.5 feet per week . </P> <P> On the weekend of January 20--21, 2018 there was flurry of new reporting, which highlighted a developing consensus that the landslide will at some time collapse suddenly, and that is likely to occur within months if not weeks . </P>

250-foot-deep crack in earth prompts landslide warnings at rattlesnake ridge near union gap