Earthquake mechanisms and stress field

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985530%3A_____%2F15%3A00450042" target="_blank" >RIV/67985530:_____/15:00450042 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Earthquake mechanisms and stress field
Original language description
The stress field and fracture processes in the Earth's crust are closely related phenomena. Fracturing is controlled by shear stress on the fault, pore-fluid pressure, cohesion and fault friction. In addition, the orientation of the fault with respect tothe principal stress directions governs susceptibility of the fault to be ruptured. An essential role play faults optimally oriented for shear faulting being the most unstable under the given stress. The type of faulting, the orientation of the faults and the direction of the slip along the faults can be inverted for stress and its spatial and temporal variations within the Earth's crust. The stress inversions work best if the fault orientations are known and the fault plane is uniquely identified fromthe focal mechanisms. The inversions retrieve the principal stress directions and the shape ratio. The accuracy of the results depends on the inversion method, the number of inverted focal mechanisms, their errors and variety.
Czech name
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Czech description
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Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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