Officials in Yakima County, Washington, are strongly urging residents living below a shifting mountainside near Union Gap to evacuate. ?? A huge crack that appeared on Rattlesnake Ridge last year is beginning to widen. Firefighters are going door-to-door asking about 50 residents who live on the south side of the mountain to leave their homes. They are offering hotel rooms and places to board residents' animals The earth below the crack in Rattlesnake Ridge had been moving about one foot per week, but is now moving about 1.4 feet per week.