Abstract
In this study, the site amplification characteristics at seismic observation stations were estimated based on the attenuation relationship of response spectrum after the 2011 off the Pacific coast of Tohoku earthquake. The station correction factors were compared with the transfer function at KiK-net stations to investigate the periodical amplification characteristics. The station correction factors were also compiled with respect to the geomorphologic classifications and average S-wave velocities to evaluate the site response characteristics.