Numerical models of earthquake mechanism
The tectonic creep and its variation after particular earthquakes are studied by the Stokes equation. The stress state of the region is modelled according to a hypothesis of plate tectonics in which the lithosphere of the region is laterally compressed across the Eurasian, Indian, and Arabian plates...
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| Format: | Article |
| Language: | English |
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KeAi Communications Co., Ltd.
2021-03-01
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| Series: | Geodesy and Geodynamics |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S1674984721000173 |
| _version_ | 1818572966521208832 |
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| author | Ikram Atabekov |
| author_facet | Ikram Atabekov |
| author_sort | Ikram Atabekov |
| collection | DOAJ |
| description | The tectonic creep and its variation after particular earthquakes are studied by the Stokes equation. The stress state of the region is modelled according to a hypothesis of plate tectonics in which the lithosphere of the region is laterally compressed across the Eurasian, Indian, and Arabian plates. The 1966 Tashkent (Uzbekistan) earthquake and the 1976 Gazli (Uzbekistan) earthquake are selected as examples to study different models of earthquake focal mechanisms. Based on the specifics of the geodynamic formulation, the three-dimensional equations of moment elasticity and hydromechanics are reduced to two-dimensional equations for averaged stresses, displacements, and displacement velocities. The two-dimensional equations are solved by boundary integral equations. The stresses can be useful in zoning maps. The vertical velocities obtained from the creep model of the earth's crust can serve as additional data to Central Asia's horizontal velocities from GPS measurements. |
| first_indexed | 2024-12-15T00:04:43Z |
| format | Article |
| id | doaj.art-647a4193f8dd478abf6eca726124197f |
| institution | Directory Open Access Journal |
| issn | 1674-9847 |
| language | English |
| last_indexed | 2024-12-15T00:04:43Z |
| publishDate | 2021-03-01 |
| publisher | KeAi Communications Co., Ltd. |
| record_format | Article |
| series | Geodesy and Geodynamics |
| spelling | doaj.art-647a4193f8dd478abf6eca726124197f2022-12-21T22:42:46ZengKeAi Communications Co., Ltd.Geodesy and Geodynamics1674-98472021-03-01122148154Numerical models of earthquake mechanismIkram Atabekov0Institute of Seismology, Tashkent, 100128, UzbekistanThe tectonic creep and its variation after particular earthquakes are studied by the Stokes equation. The stress state of the region is modelled according to a hypothesis of plate tectonics in which the lithosphere of the region is laterally compressed across the Eurasian, Indian, and Arabian plates. The 1966 Tashkent (Uzbekistan) earthquake and the 1976 Gazli (Uzbekistan) earthquake are selected as examples to study different models of earthquake focal mechanisms. Based on the specifics of the geodynamic formulation, the three-dimensional equations of moment elasticity and hydromechanics are reduced to two-dimensional equations for averaged stresses, displacements, and displacement velocities. The two-dimensional equations are solved by boundary integral equations. The stresses can be useful in zoning maps. The vertical velocities obtained from the creep model of the earth's crust can serve as additional data to Central Asia's horizontal velocities from GPS measurements.http://www.sciencedirect.com/science/article/pii/S1674984721000173Central AsiaStress stateEarthquake mechanismNumerical modelBoundary element method |
| spellingShingle | Ikram Atabekov Numerical models of earthquake mechanism Geodesy and Geodynamics Central Asia Stress state Earthquake mechanism Numerical model Boundary element method |
| title | Numerical models of earthquake mechanism |
| title_full | Numerical models of earthquake mechanism |
| title_fullStr | Numerical models of earthquake mechanism |
| title_full_unstemmed | Numerical models of earthquake mechanism |
| title_short | Numerical models of earthquake mechanism |
| title_sort | numerical models of earthquake mechanism |
| topic | Central Asia Stress state Earthquake mechanism Numerical model Boundary element method |
| url | http://www.sciencedirect.com/science/article/pii/S1674984721000173 |
| work_keys_str_mv | AT ikramatabekov numericalmodelsofearthquakemechanism |