International Institute of Earthquake Prediction Theory and Mathematical Geophysics, Warshavskoe sh., 79, korp. 2, Moscow, 113556 Russian Federation ; Institut de Physique du Globe de Paris, 4, Place Jussieu, Paris, 75005 France
International Institute of Earthquake Prediction Theory and Mathematical Geophysics, Warshavskoe sh., 79, korp. 2, Moscow, 113556 Russian Federation ; Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095 United States
Earthquake Prediction Research Center, Tokai University, Shimizu, 424-8610 Japan