macula utriÂ´culi a thickening in the wall of the utricle where the epithelium contains hair cells that are stimulated by linear acceleration and deceleration and by gravity. , pl.
Chico is the most populous city in Butte County, California, United States. The population was 86,187 at the 2010 census, up from 59,954 at the time of the 2000 census.
Chico-area historical earthquake activity is near California state average. It is 690% greater than the overall U.S. average. On 4/18/1906 at 13:12:21, a magnitude 7.9 (7.9 UK, Class: Major, Intensity: VIII - XII) earthquake occurred 135.7 miles away from the city center, causing $524,000,000 total damage.