IRAN STRONG GROUND MOTION CATALOG (JANUARY TO JUNE 2004)

Iran Strong Motion Network started its activities since 1973, and has recorded more than 5500 accelerograms up to September 2005, through which the maximum ground acceleration of about Ig is recorded due to Zanjiran [1994] and Barn [2003] earthquakes at Zanjiran and Barn stations respectively. At present the network consists of 1049 digital and 61 analogue accelerographs. In the first half of the year 2004, 363 accelerograms are recorded by ISMN and the maximum PGA of about 0.922g is occurred in Hassan Kief station in Kojur-Firouzabad earthquake of May 28, 2004.