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Examples of Relationship of Specific Features of Geological Structure Vs. Man - Made Shocks Occurrence

  • Dana Procházková
Conference paper
Part of the NATO ASI Series book series (ASEN, volume 4)

Abstract

According to our present knowledge dealing with the earthquake origin as a sudden release of the stress in the lithosphere, mostly in upper parts of the Earth’s crust (h < 10 km), the earthquakes are associated with the shear fracturing of rocks. The shear strength of rocks is related to the ratio of the shear stress along the fault to the normal effective stress across the fault. The effective normal stress is equal to the normal stress minus the pore pressure. It means that the ratio of shear to normal stress increases if rocks are under an initial shear stress and that an increase in fluid pressure can trigger shear failure

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Copyright information

© Springer-VerlagBerlin Heidelberg 1995

Authors and Affiliations

  • Dana Procházková
    • 1
  1. 1.State Office for Nuclear SafetyCzech Republic

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