Investigation of Mount St. Helens seismicity and volcanic arc structure with a hybrid passive and active source survey

Brandon Schmandt1, Steven M Hansen2, Margaret Elizabeth Glasgow3, Xiaofeng Meng4, Eric Kiser5, Alan Levander6, Jiangang Han7, Prof. John Emilio Vidale8, Yadong Wang9, Jamie Farrell10, Fan-Chi Lin11, Geoffrey A Abers12 and Kenneth C Creager7, (1)University of New Mexico, Earth and Planetary Sciences, Albuquerque, United States, (2)University of New Mexico Main Campus, Albuquerque, NM, United States, (3)U.S. Geological Survey, Moffett Field, United States, (4)Georgia Institute of Technology Main Campus, Atlanta, GA, United States, (5)University of Arizona, Department of Geosciences, Tucson, United States, (6)Rice University, Earth, Environmental, and Planetary Science, Houston, TX, United States, (7)Applied Physics Laboratory University of Washington, Seattle, WA, United States, (8)University of Washington, Seattle, United States, (9)University of Utah, Department of Geology & Geophysics, Salt Lake City, UT, United States, (10)University of Utah, Department of Geology and Geophysics, Salt Lake City, United States, (11)University of Utah, Salt Lake City, UT, United States, (12)Cornell University, Ithaca, NY, United States