1. College of Electromechanical Engineering Geo‐energy Research Institute Qingdao University of Science and Technology Qingdao China
2. Department of Physics University of Alberta Edmonton AB Canada
3. College of Earth Sciences & Engineering Xi'an Shiyou University Xi'an China
4. School of Science China University of Science and Technology Qingdao China
5. State Key Laboratory of Mining Disaster Prevention and Control College of Mining and Safety Engineering Shandong University of Science and Technology Qingdao China
6. Department of Oil & Gas Storage and Transportation Engineering College of Electromechanical Engineering Qingdao University of Science and Technology Qingdao China
7. Faculty of Civil Engineering and Geosciences Delft University of Technology Delft The Netherlands