Mohammad Kavei - Department of Physics, Hormozgan University, Bandarabbas, Iran,
M.K. Ghassem Alaskari - Petroleum University of Technology, Ahwaz,Iran
S.D Gore - Department of Statistics, Pune University, Pune, India
N.J Pawar - Department of Geology, Pune University, Pune, India

An epicentral map of the region with magnitude 3 till 7 for the period 1930 – 2007 shows that the region to the Hormozgan Province , Southern Iran (52º 30’ - 59º E, 25º –29º N) is one of the most active region in Iran. In this paper a method is developed to produce for the engineer the desired relationships between such ground motion parameters as Modified Mercalli Intensity (MMI) and their average return period for some parts (Bandarabbas Zone, Hajiaba Zone and Minab Zone) of that province. In addition we have calculated a relationship between return period and MMI for three parts of Hormozgan province, Southern Iran.

Modefied Mercalli Intensity, Return period, Tectonic earthquakes, Gamma function, Poisson distribution, Hormozgan province