1. College of Geoexploration Science and Technology Jilin University Changchun China
2. Institut für Geophysik Universität Münster Münster Germany
3. Key Laboratory of Applied Geophysics Changchun China
4. School of Geophysics and Measurement‐Control Technology East China University of Technology Nanchang China
5. Changbai Mountain Volcano Comprehensive Geophysics Field Science Observation and Research Station of Ministry of Education Changchun China