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.
Belfair is a census-designated place in Mason County, Washington, United States.Located on the Union River, headwaters of the Hood Canal, a branch of Puget Sound, it serves as the commercial center of North Mason County.elfair is located on an isthmus connecting the Kitsap and Olympic Peninsula. It receives an average rainfall of 60 inches (1,500 mm) yearly and has a growing season of 212 days. Mason Lake is 8 miles (13 km) southwest of Belfair. Belfair is the home of U.S. Representative Norm Dicks.