Carson City Sheriffs Office is asking the public to be on the lookout for a runaway teenager. Sierra Hardiman ran away from home between 10 p.m. July 22 and 5 a.m. July 23. She has brown hair and blue eyes, is 5 foot five, 115 pounds, and was last seen wearing a grey sweatshirt with a coffee mug logo. There is no evidence of foul play in her disappearance.