CONTENTS

No.4, 2001



Several Evolution Paths of Upper Crustal Magma Chambers in the Caldera Complexes of Eastern Kamchatka. Part I. Structure of Pyroclastic Flows. A Comparative Mineralogy

E. N. Grib. V. L. Leonov

The Diversity of Modes of Evolution Possible for Upper Crustal Magma Chambers in the Caldera Complexes of Eastern Kamchatka. Part II. Physico-Chemical Environments of Crystallization for Ignimbrite-generating Melts

E. N. Grib. V. L. Leonov

Transformation of Loose Pyroclastic Deposits into Tuffs

V. M. Ladygin, S. N. Rychagov, Yu. V. Frolova, V. N. Sokolov, V. G. Shlykov, 0. A. Girina

Geological and Geophysical Studies of the Sofu Inderwater Volcanic Group, Izu-Bonin Island Arc

V. A. Rashidov, E. A. Sapozhnikov

Dynamical Characteristics of Seismic Noise Based on Digital Records Made at Makanchi Station

Z. I. Sineva, N. N. Mikhailova, I. I. Komarov

A Statistical Model for Prediction of Earthquake Date and Magnitude

A. P. Grishin

Acoustic Emission Before and After Earthquakes

A. V. Gorhatikov, 0. A. Molchanov, M. Hayakawa, S. Uyeda, K. Hattori, T. Nagao, A. V. Nikolaev

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