Sample uniform hazard spectra for four Canadian cities
![Uniform Hazard Spectra for four Canadian cities Uniform Hazard Spectra for four Canadian cities](/hazard-alea/zoning-zonage/images/UHSsample_e.jpg)
Uniform Hazard Spectra for Vancouver, Montreal, Toronto and Winnipeg at 2%/50 year probability on firm ground conditions (NBC soil class C). To interpret the spectra, consider that buildings vibrate with a resonance period (in seconds) about 1/10th their number of stories.