CONTENTS

No. 4, 2000


Morphological Precursors (First Signs) of Reactivation of Some Kamchatkan Volcanoes

V. N. Dvigalo

Long Valley Caldera (Northern California): Mechanism of Deformation

V. I. Lykov, A. 0. Mostriakov, V. F. Ruban

Subaqueous Eruption in the Akademii Nauk Caldera, Kamchatka, and Its Consequences: a Hydrological, Hydrochemical and
Hydrobiological Study

S. M. Fazlullin. S. V. Ushakov, R. A. Shuvalov, M. Aoki, A. G. Nikolaeva, E. G. Lupikina

Geochemistry of Gold in Posteruptive Activity in Cinder Cones on the Northern Fissure of the 1975 Great Tolbachik Eruption

E. K. Serafimova, L. A. Kazmin, T. A. Dobroskok

A New Approach to Monitoring Landslide Activity in Tectonically Active Regions (with Reference to Kamchatka, Russia)

N. P. Betelev, E. A. Guzeev, I. F. Delemen, B. I. Kulachkin, K. A. Piradov, A. I. Radkevich, I. S. Utkin

Fractal Properties of the Lithosphere Based on the Coda of Local Earthquakes

V. B. Smirnov, V. D. Feofilaktov

Immediate Earthquake Precursors in Lower Atmospheric Electricity

O. P. Rulenko

Groundwater Observations at the Petropavlovsk Test Site, Kamchatka

G. N. Kopylova, A. A. Lyubushin (Jr.), V. A. Malugin, A. A. Smirnov, L. N. Taranova

Obituary (I.T. Kirsanov)