Selected Papers from Volumes 26 and 27 of Vychislitel'naya Seysmologiya

Title Page......Page 2
Copyright......Page 3
Contents......Page 4
Preface......Page 6
Introduction......Page 7
2. Creep of Geomaterials......Page 8
3. Rheological Model of the Mantle......Page 9
5. A Comparison with the Previous Model......Page 10
6. Elasticity and Diffusion Creep......Page 11
References......Page 12
1. Rheology of the Earth\'s Mantle......Page 14
2. Rheology of Imposed Flows......Page 15
3. Stability Analysis of Stationary Convection in Newtonian Fluid Using Lorenz Equations......Page 16
4. Lorenz Equations for Power Law Fluid......Page 18
5. Stability of Stationary Convectionin the Integral Rheological Medium......Page 19
6. Instability of the Convective Boundary Layer......Page 20
Conclusion......Page 21
1. Equations of Thermal Convection......Page 23
3. The Numerical Procedure......Page 24
4. The Finite-Difference Method......Page 26
References......Page 28
Introduction......Page 29
Equation of Thermal Convection......Page 30
The Inclusion of Mantle-Continent Interaction......Page 33
Numerical Results......Page 34
Appendix: the Numerical Method......Page 35
References......Page 37
Introduction......Page 39
Formulation of the Problem......Page 40
Evolution of Temperature in the Viscous Mantle With Floating Continents......Page 41
Heat Flow and the Nusselt Number at the Upper Boundary......Page 44
Conclusion......Page 45
Introduction......Page 48
Formation of Magmatic Lenses in the Uppermost Mantle Through Filtration......Page 49
Formulation of the Problem......Page 51
Refinement of Solution......Page 52
Numerical Results......Page 53
Conclusion......Page 55
Appendix A: Cubic and Bicubic Splines......Page 56
Appendix B : Coefficients in Equations Involved in Computations......Page 57
References......Page 58
Formulation of the Problem......Page 60
Formulation of the Solution......Page 62
The Numerical Method......Page 63
A Simplified Model of Subsidence of the Illinois Basin......Page 64
References......Page 67
1.2. The Definition of the Functional......Page 69
3.1. Dispersion Equation......Page 70
4.1. The Pairs λknm, R2knm for Some Eigenfunctions of Poincare\'s Operator in a Sphere......Page 71
4.2. Toroidal Eigenvectors......Page 72
References......Page 73
2. Preliminary Information......Page 74
3 . Construction of the Basis......Page 75
5.1. The Functions RJ for Poloidal Vectorsof the Basis......Page 76
7. The Matrix Structure of PoincarésOperator in a Spherical Layer......Page 77
9 . The Structure of Blocks in the Matrix Representation of Poincarés Operator......Page 78
1 1 . Formulation of Problem II......Page 79
13.1. Derivation of {.Ri} for a Fixed k......Page 80
13.2. Derivation of {Ri} for a Fixed k......Page 81
Appendix: Calculation of the Matrix Elements Mαβ and Auxiliary Integrals......Page 82
References......Page 84
Seismicity and Plate Boundaries at the Western Border of the Bering Sea......Page 86
The Tectonic History and Structure of Northern Kamchatka and Southern Koryakia......Page 89
Alternative Hypotheses......Page 90
The Source Parameters of the March 8, 1991 Khailino Earthquake......Page 91
Main Structural Directions......Page 92
Discussion and Conclusions......Page 94
Seismological Aspects......Page 95
A Tectonic Interpretation......Page 97
Appendix: A Brief Description of the Technique Used in Inferring Coseismic Strain Fields......Page 100
References......Page 101
Introduction......Page 103
1. Gaussian Process......Page 104
2. Processes of Poissonian Type......Page 109
Conclusion......Page 110
References......Page 111
The Model......Page 112
Implementation of t he Estimation Algorithm in a Window......Page 113
Method of Calculation......Page 114
Results......Page 115
References......Page 120
1. Function Dq......Page 122
2. The Clustering Procedure......Page 123
3. Real and Synthetic Catalogs......Page 124
4. Results and Conclusions......Page 128
Discussion......Page 129
References......Page 130
Epicentral Distributions of Earthquakes in the Caspian Sea......Page 131
Model of Migration of Seismic Activity......Page 132
References......Page 135
Statement of the Problem......Page 136
Present-day Geodynamics of Asia Minor......Page 137
1. The Red Sea-Gulf of Aden Rift System......Page 139
2. Jordan-Dead Sea Rift......Page 140
3. Zagros Structure and Lut Block......Page 143
4. Kopet Dag......Page 146
5. The Caucasus and the Trans-Caucasian Region......Page 151
Conclusion......Page 154
References......Page 155
The Algorithm for Identification of Linear Features......Page 156
Structure of the Study Area......Page 157
Identification of Linear Features From Bouguer Anomalies and Topography......Page 160
Noise in the Data......Page 161
The Arbitrariness in the Choiceof the Parameters ̿, α, K,β and K Which Control the Performance of the Algorithm......Page 162
Joint Interpretation of Recognition Results......Page 163
Recognition of Linear Features From the Parameter S......Page 165
Linear Features Identified From Gravity and Topographic Data Compared With High Magnitude \0䴀•攀 㘀 Seismicity......Page 167
Conclusions......Page 169
References......Page 170
Introduction......Page 172
Formulation of the Problem......Page 173
Notation......Page 174
1. Auxiliary Statements......Page 175
2. The Renyi Function ٦\0焀......Page 176
Exponents as Dimensions......Page 177
Appendix 1. Proof of Statement 1......Page 178
Appendix 2. Proof of Theorem 2......Page 179
References......Page 181
Introduction......Page 183
Formulation of the Model......Page 184
Characteristic Earthquakes......Page 186
Foreshocks and Aftershocks......Page 187
References......Page 188
Introduction......Page 189
1. The Linear Equations of Elastodynamics......Page 190
3. Uniqueness......Page 191
4. Separation of Variablesin the Lagrangian Function......Page 192
Proof of Statement 1......Page 193
6.1. Spherically layered media......Page 196
6.2. Item 2 of Statement 3......Page 197
References......Page 198
Determination of the Potential from the Weyl Function......Page 199
Determination of the Potential from the Discrete Part of the Spectral Function......Page 200
Reconstructing a Potential with Discontinuities......Page 201
The Choice of Potentials Specifying the Continuous Spectrum......Page 202
References......Page 205
Introduction......Page 206
Inclusion of Anisotropy in Surface Wave Tomography......Page 207
Estimating the Uncertainty of the Solution......Page 210
Resolution Estimate......Page 211
Lateral Variation and Azimuthal Anisotropy of Rayleigh Wave Velocity in Southeastern Europe......Page 212
References......Page 215
Database......Page 216
Creepex in Spreading and Subduction Zones......Page 217
Creepex in Relation to Source Mechanism......Page 218
Regional Creepex-Source Mechanism Relations......Page 219
Conclusion......Page 220
References......Page 221
Introduction......Page 222
Extension of Creepex to Md and ML, Magnitudes......Page 223
Differences in Seismic Source Spectra and Tectonics......Page 224
References......Page 225
Introduction......Page 227
Beamforming and the Optimal Group Filter......Page 228
Noise Coherence and Optimal Group Filtering......Page 230
Optimal Detection of Seismic Signals......Page 231
High-Resolution Smoothed Spectral Analysis......Page 233
Testing the Optimal Array Data Processing Procedures......Page 235
References......Page 237
Vychislite\'naya Seysmologia Index......Page 238
AUTHOR INDEX - Computational Seismology and Geodynamics......Page 240
INFORMATION RELATED TO GEOGRAPHIC REGION......Page 241