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Cad Northwest Custom Home Design
22685 SW Conifer Dr.
Sherwood OR 97140

IRC 2012 Seismic Zone Map

2012 IRC Seismic Map

Seismic map reprinted from 2012 IRC and IBC. Areas colored red are zone E or the worst seizmic locations. Red orange to yellow orange are zones D2 to D0 respectively. Yellow areas are zone C, green areas zone B, and white areas are zone A, the least severe seizmic conditions. Our plans comply with zone D1 and below.