Deep Structural and Tectonic Features of Focal Zones of 21st Century Earthquakes in the Northwest Part of the Greater Caucasus
- Autores: Rogozhin E.1,2, Gorbatikov A.1, Stepanova M.1, Kharazova Y.1, Sysolin A.1, Rybin A.1
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Afiliações:
- Schmidt Institute of Physics of the Earth, Russian Academy of Sciences
- Federal Research Center, Geophysical Survey, Russian Academy of Sciences
- Edição: Volume 55, Nº 5 (2019)
- Páginas: 607-619
- Seção: Article
- URL: https://journals.rcsi.science/0747-9239/article/view/177940
- DOI: https://doi.org/10.3103/S0747923919050098
- ID: 177940
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Resumo
The article summarizes the available and newly collected data on the near-surface and deep structure and modern geodynamics of key regions of the northwest part of the Greater Caucasus. Models of the fault-block structure of this orogen and the nature of seismogenic displacements along the faults on its northwest pericline have been developed. The reasons for the abrupt change of the fold-block structure in the area of the Anapa seismogenerating flexural-fault zone are clarified. Detailed models of the near-surface and deep structure were constructed for a number of the most important seismogenerating structures in the Northwestern Caucasus that caused the Lower Kuban-II earthquake on November 9, 2002, with M = 4.7, and the Su-Psekh event on December 10, 2012, with Mw = 4.3, as well as the Pshekh earthquake on November 15, 2004 in Krasnodar krai with M = 4.6. Three-dimensional geodynamic and seismotectonic models of seismogenerating structures were constructed based on the results of field geological and geophysical surveys.
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Sobre autores
E. Rogozhin
Schmidt Institute of Physics of the Earth, Russian Academy of Sciences; Federal Research Center, Geophysical Survey, Russian Academy of Sciences
Email: maris.terras@gmail.com
Rússia, Moscow, 123242; Obninsk, 249033
A. Gorbatikov
Schmidt Institute of Physics of the Earth, Russian Academy of Sciences
Email: maris.terras@gmail.com
Rússia, Moscow, 123242
M. Stepanova
Schmidt Institute of Physics of the Earth, Russian Academy of Sciences
Autor responsável pela correspondência
Email: maris.terras@gmail.com
Rússia, Moscow, 123242
Yu. Kharazova
Schmidt Institute of Physics of the Earth, Russian Academy of Sciences
Email: maris.terras@gmail.com
Rússia, Moscow, 123242
A. Sysolin
Schmidt Institute of Physics of the Earth, Russian Academy of Sciences
Email: maris.terras@gmail.com
Rússia, Moscow, 123242
A. Rybin
Schmidt Institute of Physics of the Earth, Russian Academy of Sciences
Email: maris.terras@gmail.com
Rússia, Moscow, 123242