Earthquake Causes Tsunami. Energy accumulates in the overriding plate until it exceeds the frictional forces between the two stuck plates. When this happens, the overriding plate snaps back into an unrestrained position. This sudden motion is the cause of the tsunami - because it gives an enormous shove to the overlying water.
Ajo is in the Sonoran Desert, tucked away in Western Pima County in Arizona, about 120 miles southwest of Phoenix and 130 miles west of Tucson.
Arizona is located in the Southwestern United States as one of the Four Corners states. Arizona is the sixth largest state by area, after New Mexico and before Nevada. Of the state's 113,998 square miles (295,000 km 2), approximately 15% is privately owned.lagstaff, in Coconino County, is the largest city in northern Arizona, and is at an elevation of nearly 7,000 feet (2,100 m). With its large Ponderosa Pine forests, snowy winter weather and picturesque mountains, it is a stark contrast to the desert regions typically associated with Arizona.