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.
The ratio of number of residents in Airway Heights to the number of sex offenders is 1,273 to 1. The number of registered sex offenders compared to the number of residents in this city is near the state average. Nearest city with pop. 50,000+: Spokane, WA (8.5 miles , pop. 195,629).