the above state that you mentioned, is it prone to earthquakes?
Yes, but  Arizona is at low risk of earthquakes, except for the southwestern portion which is at moderate risk due to its proximity to southern California.
Arizona
Generally, Arizona is at low risk of earthquakes, except for the southwestern portion which is at moderate risk due to its proximity to southern California.
which places do u.s. route 80 in arizona connect? From the California border in Yuma to the New Mexico state line near Lordsburg. when was it started? November 11, 1926 was any tunnel constructed here? Yes, the construction of the Mule Pass Tunnel can you give a very brief description of this route? Within the state of Arizona, US 80 made two indirect loops to both Phoenix and Douglas, and the odd shape created by the two "loops" gave US 80 a long length through the state of Arizona. why was the tunnel constructed, any idea? The older route of US 80 over Mule Pass provided a dangerous obstacle for vehicles heading into Bisbee. which places serve as the tourist attractions here? UNANSWERABLE
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Arizona [SEP] Earthquakes
Generally, Arizona is at low risk of earthquakes, except for the southwestern portion which is at moderate risk due to its proximity to southern California. On the other hand, northern Arizona is at moderate risk due to numerous faults in the area. The regions near and west of Phoenix have the lowest risk. The earliest Arizona earthquakes were recorded at Fort Yuma, on the California side of the Colorado River. They were centered near the Imperial Valley, or Mexico, back in the 1800s. Residents in Douglas felt the 1887 Sonora earthquake with its epicenter to the south in the Mexican state of Sonora.