International Institute of Earthquake Prediction Theory and Mathematical Geophysics, Russian Academy of Sciences, 79-2 Warshavskoye Shosse, Moscow, 113556 Russian Federation ; Institute de Physique du Globe de Paris, 4 Place Jussieu, Cedex 05, Paris, 75252 France
Department of Geology, University of California, One Shields Ave, Davis, CA 95616 United States
International Institute of Earthquake Prediction Theory and Mathematical Geophysics, Russian Academy of Sciences, 79-2 Warshavskoye Shosse, Moscow, 113556 Russian Federation