International Institute of Earthquake Prediction Theory and Mathematical Geophysics, Russian Academy of Sciences, Warshavskoye sh. 79-2, Moscow, 117556 Russian Federation ; Geophysical Institute,University of Karlsruhe, Hertzstr. 16, Karlsruhe, 76187 Germany
Department of Earth and Space Sciences and Institute of Geophysics and Planetary Physics, University of California, 3806 Geology Building, 595 Charles Young Drive East, Los Angeles, CA 90095-1567 United States
Institute of Mathematics and Mechanics, Russian Academy of Sciences, S. Kovalevskaya 16, Yekaterinburg, 620219 Russian Federation
Institute of Mathematics and Mechanics, Russian Academy of Sciences, S. Kovalevskaya 16, Yekaterinburg, 620219 Russian Federation