Seismic Design Maps

Seismic design maps from various design code reference documents are available below as PDF files. The data from these maps can be read more easily using our U.S. Seismic "DesignMaps" and our Java Ground Motion Parameter Calculator.

AASHTO Guide Specifications for LRFD Seismic Bridge Design

ASCE 7 Standard

International Building Code

International Residential Code

NEHRP Provisions