References: 1 Current Study 2 Advanced National Seismic System (ANSS) - http://quake.geo.berkeley.edu/cnss/ 3 Arizona Earthquake Information Center (AEIC) - http://www4.nau.edu/geology/aeic/eq_history.html 4 USGS Preliminary Determination of Epicenters (PDE) - http://earthquake.usgs.gov/earthquakes/eqarchives/epic/ 5 Brumbaugh, D.S. (2008). Seismicity and tectonics of the Blue Ridge area of the Mogollon Plateau. Arizona Bulletin of the Seismological Society of America, 98, 1527–1534. 6 Brumbaugh, D.S. (2008). Seismicity and active faulting of the Kanab-Fredonia area of the southern Colorado Plateau. Journal of Geophysical Research, 113, B05309. 7 Brumbaugh, D.S. (1980). Analysis of the Williams, Arizona earthquake of November 4, 1971. Bulletin of the Seismological Society of America, 70, 885-891. 8 Eagar, K.C. and Fouch, M.J. (2007) Detection of a unique earthquake swarm in eastern Arizona. Arizona Geology, 37, 1-5. 9 Eberhart-Phillips, D., Richardson, R.M. Sbar, M.L. and Hermann, R.B. (1981). Analysis of the 4 February 1976 Chino Valley, Arizona, earthquake. Bulletin of the Seismological Society of America,71, 787-801. 10 Kruger-Knuepfer, J.L., Sbar, M.L. and Richardson, R.M. (1985). Microseismicity of the Kaibab Plateau, northern Arizona, and its tectonic implications. Bulletin of the Seismological Society of America, 75, 491-506.