1. Department of Applied Geoscience, German University of Technology in Oman (GUtech), Muscat, Oman
2. Department of Physics and Chemistry, Faculty of Applied Sciences and Technology (FAST), Universiti Tun Hussein Onn Malaysia (UTHM), Johor, Malaysia
3. Research Center for Soft Soil (RECESS), Institute for Integrated Engineering (IIE), Universiti Tun Hussein Onn Malaysia (UTHM), Johor, Malaysia
4. Department of Physics, College of Science, Sultan Qaboos University, Muscat, Oman