Relationship between Seismological Characteristics and Geomorphological zones in Iran

The study of seismology in different geomorphologic zones to detect particular behavioral patterns in the region is the main goal of this research. So، geomorphic zones were separated and 30 years of data depth، magnitude and frequency of earthquakes were attributed in GIS for each geomorphic zone. Then the data were saved for each zone separately extensively and analyzed in SPSS and Minitab software and then compared. The results showed that among 9 morphologic zones، Zagros and the Caspian zones are the most irregular situation. The relative density of earthquakes is high in the Zagros، but the occurrence of earthquakes is less in this area than other zones. The biggest b values assigned to this area، but there was not a completely regular increasing trend towards the depths. Relative density of earthquakes in the Caspian is not high، but big earthquakes are more. A 16 English Abstracts minimum value of b belonged to this zone and finally، b changes to the depth were chaotic. Other zones had some characteristics some of which can be placed into one of the two Zagros or Caspian zones، however they have a regular pattern in their b changes toward depths. Therefore the east، northeast and north zones are about similar to Caspian zone and south plain and northwest zones are similar to Zagros zone. Central of Iran and Makran zones show intermediate characteristics.