PrefacePresidential AddressEuropean Digital Seismic Network The Bulgarian National Telemetric System for Seismic Data Interpretation The Influence of Dynamic Range on the Accuracy of Total Deconvolution Problems of Interpretation in Connection with New Possibilities of the Edseisnet System Interactive Hybrid Processing of Seismic Broadband Data Estimation of the Optimal Equipment Magnification of the Bulgarian National Telemetric System for Seismic Information /NTSSI/ The Reading/Blacknest Borehole SeismometerEarthquake Hazard and Prediction The Importance of the Observation of Earthquake Lights as Precursory Phenomena of Impending Earthquakes A Multidisciplinary Approach to Earthquake Prediction. Review of the Interdisciplinary Conference on Earthquake Prediction Research in the North Anatolian Fault Zone Properties of Seismic Regime and Recent Earthquake Sequences in Europe Study of Electric Fields in Seismoactive Regions in Comparison with Seismicity Seismic Hazard Estimate for a Low Seismicity Region. Example of Central Europe Space-Time Behavior of the Fields Vp/Vs before Strong Earthquakes Microtremor Measurements in Budapest Seismic Microzoning of Prague. A Computational Approach Based on Geological Data Some Regularities of Seismic Regime and Earthquake PredictionSeismicity Physical Basis for the Duration Magnitude and Recommended Practice for Coda Magnitude Determination The Geological Condition That Generated the Earthquake of April 15, 1979 Instrumental Measurement of Earthquake Intensity The Seismic Regions in the German Democratic Republic Seismicity of Mexico and Some of Its Tectonic Implications The 15.4.1979 Earthquake in Yugoslavia. Aftershock Studies Map of Maximum Observed Intensities in Europe On the Main Characteristics of the Focus of the Earthquake of April 15, 1979 Derived from Instrumental Data Some Features of the Foreshocks and Aftershocks of the Earthquake of April 15, 1979 Determination of near Earthquake Magnitudes in Seismological Practice Earthquakes in Finland during the Last Hundred Years Seismotectonic Activity on the Margins of the Microplates and on the Blocks in the Balkan Region Comparison of the Information Derived from the Analysis of the Lapse Time and of the Frequency of Earthquakes Map of Maximum Observed Intensity of Central and Eastern Europe Focal Depths and Absorption Coefficients in Central and Eastern Europe Brittle Rock Behavior under Compressive Load Romanian Strong Motion Instrument Network The Focal Mechanism of the April 15, 1979 Earthquake Sequence Active Role of Strong Interplate Earthquakes in Tectonic Processes Frequency Analysis of Historical Data and Recurrence Time of Strong Earthquakes Bulgarian Earthquakes during 1976. Characteristics and PeculiaritiesData Acquisition Seismological Telemetry Network in Hungary The Seismological Data Acquisition System in the GDR Coordination of Ground and Space Geodetic Techniques for Geodynamics and Earthquake Prediction Research in EuropeFocal Mechanism and Earthquake Prediction Scaling Laws of Source Parameters for Small Earthquakes Induced by Mining An Inverse Problem for Seismic Coda Determination of Source Parameters Earthquake Patterns Explained by the Stress Field of Cracks The Triggering Effect of Strong Earthquakes Low-Frequency Radiation Parameters and Focal Plane SolutionsMicroseisms and Seismic Noise Comparative Spectra of Microseisms and Swell in the Ligurian Sea An Analysis of Ground and Instrumental Short-Period Noise Stormy Microseisms, Geomagnetic Storms and a Complex of Oscillations with Frequency 0.1 to 1 Hz Application of Observations Incorporated Into the Project of Microseismic Storms On a Classification of Storm MicroseismsTheory and Interpretation A Comparison of Synthetic Seismograms for Upper-Mantle Models in Europe Computation of Seismic Wave Fields in Laterally Inhomogeneous Crustal Structures. Gaussian Beams Approach Seismic Wave Fields in Media with Causal Absorption Space-Time Ray Method and Its Applications in Seismology Wave-Front Propagation in Nonlinear Elastic Media Discovery of a New Non-Geometrical S* Arrival Generated at Free Interface Fast and Stable Computation of Ray Integrals and Ray Amplitudes in Radially Symmetric Media Inversion of Traveltime Anomalies to Determine Lateral Inhomogeneities in Reflection- and Refraction-Seismics and from Seismic Waves in Transmission Atmospheric Pressure Wave of St. Helens Eruption Seismic Response Analysis of Two-Dimensional Structures with Causal Absorption. Finite Difference ApproachDeep Seismic Sounding Comparison of the Results of Surface Wave Investigations and Deep Seismic Soundings by the International Profile Vii Tectonics of Subduction Zones and Dynamic Parameters of Short-Period P WavesPhysical and Chemical Properties of the Mantle Structural Investigations of the Earth's Upper Mantle by Means of Localizing Teleseismic Events The Influence of Mineral Reactions on the Propagation of Compressional and Shear Waves in Rocks under High Pressures and Temperatures Is There Ferroelectricity in the Mantle? Gibbs' Method in Thermodynamics of Nonlinear Elastic Body Electrical Conductivity of Garnets and Garnet Containing Rocks Electromagnetic Sounding with Long Submarine Cables On the Theory of Phase Transitions in the Earth's Mantle Interpretation of Core Anelasticity Elastic Stresses Associated with Undulations of Density Boundaries in the Earth Age-Dependent Driving Forces and the Fragmentation of the Farallon Plate Age-Dependent Subduction of Oceanic Lithosphère and the Rheology of Subducted SlabsRecent Crustal Movements and Associated Seismicity Fennoscandian Uplift, Secular Variations of Gravity and Determination of Changes of Density within the Asthenosphere Ground Deformations in the Phlegraean Fields Volcanic Area, Italy Anomalous Mantle Spreading under the Lithosphère Correlations Geodynamics. Recent Vertical Crustal Movements in Romania Regional Tilting of the Earth's in Romania Seismicity, Crustal Stresses and Recent Crustal Movements in Switzerland Vertical Movements in the Great Hungarian Plain. Examples of Magnetostratigraphic Correlation The Sierentz Southern-Rhinegraben Earthquake of July 15, 1980. Preliminary Results Properties of the Recent Crustal Movements by the Contact Zone Between the Carpathians and Bohemian MassifCrustal Structure of Europe On the Analysis of Isostasy in the North Atlantic A Seismic Study of the Crust Under the Pyrenean Mountain Range Regional Variations in the Crustal Structure of the Iberian Peninsula Explosion Seismology Studies of the Canary Islands. First Results The Fennolora Experiment and Crustal Structure in the Bohemian Massif Combined Geophysical Models of the Earth's Crust and Upper Mantle of the European Continent Solution of the Two-Dimensional Inverse Kinematic Problem for Laterally Weakly Inhomogeneous Media Gravimetric Modelling of the Eastern Alpine Crust Crustal Structure of the Caledonides in Britain Crustal Structure of Grabens in the Hercynian Belt. A Review Fennoscandian Long-Range Project 1979 /Fennolora/ Observations of Fennolora Shots on Additional Lines in Finnish Lapland Lateral Heterogeneity in the Italian Region from Rayleigh Wave Group Velocities Crustal Structure of Western Portugal The Structure of the Crust and Upper Mantle in the Bohemian Massif from the Dispersion of Rayleigh Waves Structure of the Earth Crust and Upper Mantle of Eastern Europe Crustal Thickness in Fennoscandia as Inferred from P-Wave Spectral Ratios Crustal Structure of Hercynian Europe and the North American Basin and Range Province. A Tectonic Analogy? Structural Deductions Concerning the Lithosphère of the Aquitaine Basin from the Gravimetry of the Vertical Intrusions Quality Factor in the Crust. A Deep Seismic Sounding Approach The Earth's Crust and Upper Mantle of the Western Part of the South Tien Shan and Adjacent Territories of the Turanian Platform According to the Data of Explosion SeismologyPlate Tectonics of Eastern Europe Geophysical Interpretation of the Central Carpathians Contact with the European Platform Lower Cretaceous Submarine /Rift/ Volcanism in South Transdanubia /South Hungary/ Tensional Tectonics in Orogeny On the State of Stress at Passive Continental Margins and the Problem of Initiation of Subduction The Plate Tectonic Setting of the Eocene Volcanic Belt in the Carpathian Basin Major Element Patterns in Hungarian Basaltic Rocks. An Approach to Determine Their Tectonic Settings Tectonomagmatic Evidence for Transforms, Segmentation and Microplates in the Alpine Space of the Balkans The Calc-Alkaline Magmatism in Detecting Two Types of Margins and Geosynclines by the Alpo-Himalayan Belt On the More Accurate Definition of the Current Notion "Tectonic Stress" Model of the Carpathian Continent/Continent Collision Characteristic Evolution of the Cenozoic Structure of the Pannonian Basin as Proved by Reflection Seismic Measurements Earthquake Belts in Central and Eastern Europe. Some Seismotectonic Aspects Physical Nature of Rapid Intracontinental Subsidence. Origin of the Great Hungarian DepressionGeophysical Fluid Dynamics Vorticity Dynamics of Tidal Residual CirculationMathematical Geophysics Mathematical Modeling and Seismic Structure of the Lithosphere of the Baltic ShieldList of ContributorsSubject Index