What causes earthquakes? Earth's crust ranges from 3 to 45 miles deep (5 to 70 kilometers). The crust is a thin, hard shell that floats on the denser, hotter rock of the mantle.
Sponsored Topics. Airway Heights is a city in Spokane County, Washington, United States, just west of Spokane. The population was 6,114 at the 2010 census. The city's name was taken from its close proximity to Fairchild Air Force Base and Spokane International Airport. Airway Heights was officially incorporated on June 28, 1955.
Traveling into Airway Heights along Highway 2, the main road into the city, from Downtown Spokane, one will climb over 500 feet. Highway 2 is the main east-west thoroughfare in the city. It connects Airway Heights with Fairchild to the west and Spokane to the east. Interstate 90 runs just a few miles south of the city. Climate