1. Institut de Physique du Globe de Strasbourg (UMR 7516 CNRS, Université de Strasbourg/EOST), 5 rue René Descartes, Strasbourg, France.
2. Division of Solid Mechanics, Lund Univ., Lund Sweden and European Spallation Source AB, Lund, Sweden.
3. State Key Laboratory of Earthquake Dynamics, Institute of Geology, China Earthquake Administration, Beijing 100029, China.
4. Earth System Science Programme, Faculty of Science, The Chinese Univ. of Hong Kong.