1. Faculty of Natural Resources and Environment, Department of Earth and Environmental Sciences The Hashemite University Zarqa Jordan
2. Minerals Technology Department Central Metallurgical R&D Institute Cairo Egypt
3. Exploration Department Egyptian Petroleum Research Institute Cairo Egypt
4. Seismic Studies Center, College of Science King Saud University Riyadh Saudi Arabia
5. Geology and Geophysics Department, College of Science King Saud University Riyadh Saudi Arabia
6. Geology Department, Faculty of Science Zagazig University Zagazig Egypt
7. Department of Geosciences University of Arizona Tucson Arizona