Institution: | Institute of Geophysics, Polish Academy of Sciences, Ks. Janusza 64, 01-452;Warsaw, Poland. E-mail: Alfred Wegener Institute for Polar and Marine Research, 27515;Bremerhaven, Germany Institute of Seismology and Volcanology, Hokkaido University, N10S8;Kita-ku Sapporo 060-0810, Japan Institute of Geophysics, University of Warsaw, Pasteura 7, 02-093;Warsaw, Poland Institute of Solid Earth Physics, University of Bergen, PO Box 7800, N-5020;Bergen, Norway |