WATCH: Officials keeping wary eye on slow-motion landslide in Yakima Co.

KIMA-TV News photo

YAKIMA, Wash. - Officials in Yakima County are keeping a wary eye on a slow-moving landslide on Rattlesnake Ridge.

The Yakima Herald-Republic says geologists have been monitoring the slow-motion movement of soil in the area since October.

The Yakima County Office of Emergency Management issued a statement on Tuesday saying that since the slide is slow moving and on a gentle slope it will be small in nature and hopefully stabilize itself.

About 35 residents living at the base of the ridge have not heeded warnings to evacuate.

Officials say the hillside is moving an average of 1.4 feet per week.

Rattlesnake Ridge forms the eastern side of a gap in ridges separating the Upper and Lower Yakima Valleys. Running through the gap are Interstate 82, the Yakima River, and Highway 97.

Crews have closed local roads and people driving on nearby I-82 are being warned to watch for falling rocks.

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