The National Natural Science Foundation of China, Nos.41431069, 41274030;the National Department Public Benefit Research Foundation Earthquake, No.201308009;the National 973 Program of China, No.2013CB733303.国家自然科学基金重点项目41431069;地震行业科研专项基金201308009;国家自然科学基金41274030;国家973计划2013CB733303.