Coconino County |Earthquakes are not uncommon in northern Arizona’s Coconino County, as seen in this graphic of historic earthquake epicenters. Between 1906 and 1912, Flagstaff was rocked by three magnitude 6 temblors. Each year the Arizona Broadband Seismic Network records dozens of earthquakes originating in Coconino County.
For more on Arizona earthquakes, see our illustrated, 44-page booklet, Arizona is Earthquake Country. (Illustration by Lisa Linville)