SEISMICITY OF THE TIHAMAT-ASIR REGION, KINGDOM OF SAUDI ARABIA by H. M. Merghelani U. S. Geological OPE' ILE ... -79 This report is prcl not be n edited o co 1fOrt ty' i A.h ... DIRECTORATE GENERAL OF MINERAL RESOURCES MINISTRY OF PETROLEUM AND MINERAL RESOURCES JIDDAH, SAUDI ARABIA 1979 . U.S. …