Articles | Volume 49
https://doi.org/10.5194/adgeo-49-1-2019
https://doi.org/10.5194/adgeo-49-1-2019
05 Jul 2019
 | 05 Jul 2019

Modelling fault reactivation with characteristic stress-drop terms

Martin Beck and Holger Class

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Latest update: 29 Jun 2025
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Short summary
Fluid injection in a geologic layer shifts pressure and stress conditions and may trigger the reactivation of pre-existing faults. We present an approach to describe changes in the stress-field upon such an induced seismic event by applying characteristic stress-drop terms based on reported literature values for a great variety of earthquakes, even at very different magnitudes. The article illustrates exemplary results and discusses also the effect of permeability on expectable seismicity.
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