University of Califonia, Los Angeles, Department of Earth and Space Sciences University of California, Los Angeles 595 Charles Young Drive East, Box 951567, Los Angeles, CA 90095-1567,
Institut für Geophysik, WWU Münster, AG Geodynamik Corrensstr. 24, Münster, 48149,
University of Califonia, Los Angeles, Department of Earth and Space Sciences University of California, Los Angeles 595 Charles Young Drive East, Box 951567, Los Angeles, CA 90095-1567,