Issa W El Hussain¹, Zaid Al-Habsi², Rachid Omira³, Ahmed Deif¹, Adel Mohamed⁴ and Maria Ana Baptista⁵, (1)Sultan Qaboos University, Muscat, Oman, (2)Sultan Qaboos University, Earthquake Monitoring Center, Al-Khoudh, Oman, (3)IPMA, Lisboa, Portugal, (4)National Research Institute of Astronomy and Geophysics, Helwan, Egypt, (5)INSTITUTO DOM LUIZ, Lisboa, Portugal