ملخص الدراسة:

Many cities and districts of Islamic state faced Earthquakes, which obliged our scientists to pay attention to geolog,cal dangers phenomenon and investigate its reasons and finding log,cal explanations for its reasons, kinds and modes. Also it motivated our historians to collect events of earthquake and recorded it in their writings which are benefited to find most Islamic cities that faced earthquake with its damages (economical and residential).This search studies the earthquake which were happened in Mosul city, it is the biggest city among the Islamic cities which is characterized by its heavy residential. It is very importentcity from the geographical, economical, administration and military perspective. Also it finds out the economical and residential signs which were left by these earthquakes.This search reached to a summary, that city of Mosul faced many repetition earthquakes varied its power between heavy and light, and the power one made great signs on its elevations and its construction builds, which has great trace on the economical side cause made damaged and destruction for houses, agriculture lands and irrigation projects. And happened great ruins in the bestial wealth. But in its residential effect, it happened great ruins in human-beings, many stories refereed to the numbers of dead but the most stories have no statical number and satisfy just in calling general expressions.