On August 17, 1959 the Old Faithful Inn was shaken by the 1959 Hebgen Lake earthquake which collapsed the dining room fireplace chimney and damaged the huge lobby fireplace, reducing the number of usable hearths from eight to two. The building was partially shaken loose from its foundations, and access to some of the upper levels had to be restricted due to safety concerns. There were no deaths or serious injuries at the Inn as a result of the earthquake. The dining room fireplace was finally rebuilt in 1985, but the outside portion of the lobby fireplace chimney was replaced with a single steel pipe, visible in many exterior photos.