Historic Earthquakes

Arizona-Utah Border
1959 07 21 17:39:29 UTC
Magnitude 5.60
Intensity VI

Largest Earthquake in Arizona

Minor damage to chimneys and walls was reported at Fredonia, Arizona, and Kanab, Utah, about 15 kilometers north of Fredonia. In addition, windows broke in houses and stores and dishes fell from shelves at Fredonia. Almost all mechandise was shaken from shelves in stores. A rockslide at Mather Point in the Grand Canyon was attributed to the shock.

Abridged from Seismicity of the United States, 1568-1989 (Revised), by Carl W. Stover and Jerry L. Coffman, U.S. Geological Survey Professional Paper 1527, United States Government Printing Office, Washington: 1993.