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.
This is Ajo, Arizona. Ajo is a town of about 4000 people in southwestern Arizona. Once a copper mining community, Ajo became something of a retirement community in the 1980s after Phelps Dodge stopped mining operations.hough sometimes called a sleepy mining town, Ajo has never been ordinary. Even the name Ajo is different, and a bit of a mystery. Depending on whom you listen to, Ajo (pronounced AH-ho) comes from either a Tohono O'odham word for paint or the Spanish word for garlic.