2005 National Building Code of Canada seismic hazard maps
![2005 NBCC seismic hazard map - Sa(0.2) 2005 NBCC seismic hazard map - Sa(0.2)](/hazard-alea/zoning-zonage/images/NBCC2005can0.2web.jpg)
Spectral acceleration for a period of 0.2 seconds at a probability of 2%/50 years for firm ground conditions (NBCC soil class C). Spectral acceleration is contoured in g.
![2005 NBCC seismic hazard map - Sa(0.5) 2005 NBCC seismic hazard map - Sa(0.5)](/hazard-alea/zoning-zonage/images/NBCC2005can0.5web.jpg)
Spectral acceleration for a period of 0.5 seconds at a probability of 2%/50 years for firm ground conditions (NBCC soil class C). Spectral acceleration is contoured in g.
![2005 NBCC seismic hazard map - Sa(1.0) 2005 NBCC seismic hazard map - Sa(1.0)](/hazard-alea/zoning-zonage/images/NBCC2005can1.0web.jpg)
Spectral acceleration for a period of 1.0 seconds at a probability of 2%/50 years for firm ground conditions (NBCC soil class C). Spectral acceleration is contoured in g.
![2005 NBCC seismic hazard map - Sa(2.0) 2005 NBCC seismic hazard map - Sa(2.0)](/hazard-alea/zoning-zonage/images/NBCC2005can2.0web.jpg)
Spectral acceleration for a period of 2.0 seconds at a probability of 2%/50 years for firm ground conditions (NBCC soil class C). Spectral acceleration is contoured in g.
![2005 NBCC seismic hazard map - PGA 2005 NBCC seismic hazard map - PGA](/hazard-alea/zoning-zonage/images/NBCC2005canPGAweb.jpg)
Peak ground acceleration at a probability of 2%/50 years for firm ground conditions (NBCC soil class C). Peak acceleration is contoured in g.