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Present-day stress inversion from a single near-surface fault: A novel mathematical approach

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F18%3A00108874" target="_blank" >RIV/00216224:14310/18:00108874 - isvavai.cz</a>

  • Alternative codes found

    RIV/67985891:_____/18:00496411

  • Result on the web

    <a href="https://doi.org/10.1016/j.jsg.2018.09.013" target="_blank" >https://doi.org/10.1016/j.jsg.2018.09.013</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.jsg.2018.09.013" target="_blank" >10.1016/j.jsg.2018.09.013</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Present-day stress inversion from a single near-surface fault: A novel mathematical approach

  • Original language description

    A novel numerical approach enables determining contemporary stress states at a single fault near the ground surface using three dimensional fault displacement data, i.e. displacements that include movement component perpendicular to the fault surface. This approach is restricted to specific near-surface conditions and is based on three assumptions: (i) the near-surface faults contain apertures and the blocks can move in all directions at a submillimetric scale, so the movement is not restricted only to the fault plane; thus the stress vector (traction) acting on the fault surface has the same direction as the fault displacement vector, (ii) the isotropic component of the stress tensor near the ground surface is negligible, and (iii) one of the principal stress orientations must be vertical as being close to the ground surface. These generalizations enable distinct formula simplification and the reduced stress tensor calculation. Input data for the mathematical solution are the orientation of the fault surface (i.e., the down-directed fault surface normal) and the fault displacement (i.e., the vector of the hanging wall displacement). The orientation of the principal stresses and the shape parameter of the stress ellipsoid are the outputs of the method. We demonstrate the approach on a single fault reactivation event on 7 November 2014 in Obir Cave near the Periadriatic Fault in the Eastern Alps.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10505 - Geology

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2018

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of Structural Geology

  • ISSN

    0191-8141

  • e-ISSN

  • Volume of the periodical

    117

  • Issue of the periodical within the volume

    12

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    5

  • Pages from-to

    163-167

  • UT code for WoS article

    000453112000012

  • EID of the result in the Scopus database

    2-s2.0-85054014967