How about Calgary?

1. Huge amounts of Vacant office space.

2. > 1 Million People

3. No earthquakes

4. Educated population

5. Commuter rail (green line will make this even better)

6. Low corporate tax rates

7. Way lower cost of living then Toronto/Vancouver

8. Cheaper salaries

9. A very willing government

10. Close to tons of outdoor activities (similar to Denver here)

Calgary has major towers being built with < 50% vacancy, amazon here would be supported by almost everyone.