Yanjun Xiao, Peking University, Earth and space science, Beijing, China, Shun-ichiro Karato, Yale University, Geology and Geophysics, New Haven, CT, United States, Jennifer Girard, Yale University, New Haven, CT, United States, Patrick Cordier, University of Lille, Villeneuve d'Ascq, France and Yonghong Zhao, Peking Univ, Beijing, China