ملخص الدراسة:

This research deals with dangers in Iraq and Baghdad in particular, which include floods and earthquakes (575-656H). Baghdad and other states where subject to many floods and earthquakes which had left passive impacts on all fields of life. The research also tackles the measures taken by the Abbasid state against these dangers and lessened their effect by setting up dams and blocking holes and reconstructing what had been damaged particularly on the two sides of the river, inviting the public (common people) to cooperate with the authority in order to protect their life against all these disasters and reduce their destructive effects.