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.
Washington Dulles International Airport (IATA: IAD, ICAO: KIAD) is a public airport located 25 miles (40 km) west of the central business district of Washington, D.C., in Dulles, Virginia.It serves the greater Washington, D.C. metropolitan area. In 2011 Dulles saw 23.2 million passengers through the airport.he airport occupies approximately 11,000 acres (17.19 miÂ²/ 44.5 kmÂ²) of land 26 miles (41.8 km) west of downtown Washington, straddling the border of Fairfax County and Loudoun County, Virginia. It is located partly in Chantilly and partly in Dulles, west of Herndon and southwest of Sterling.