Seismicity models based on Coulomb stress calculations

Sebastian Hainzl, Sandy Steacy, David Marsan

    Research output: Non-textual formWeb publication/site

    Abstract

    Our fundamental, physical, understanding of earthquake generation is that stress-build-up leads to earthquakes within the brittle crust rupturing mainly pre-existing crustal faults.While absolute stresses are difficult to estimate, the stress changes induced by earthquakes can be calculated, and these have been shown to effect the location and timing of subsequent events. Furthermore, constitutive laws derived from laboratory experiments can be used to model the earthquake nucleation on faults and their rupture propagation. Exploiting this physical knowledge quantitative seismicity models have been built. In this article, we discuss the spatiotemporal seismicity model based on the rate-and-state dependent frictional response of fault populations introduced by Dieterich (1994). This model has been shown to explain a variety of observations, e.g. the Omori-Utsu law for aftershocks. We focus on the following issues: (i) necessary input information; (ii) model implementation; (iii) data-driven parameter estimation and (iv) consideration of the involved epistemic and aleatoric uncertainties.
    LanguageEnglish
    DOIs
    Publication statusPublished - 1 Sep 2010

    Fingerprint

    seismicity
    earthquake
    stress change
    aftershock
    nucleation
    rupture
    calculation
    crust

    Cite this

    Hainzl, S. (Author), Steacy, S. (Author), & Marsan, D. (Author). (2010). Seismicity models based on Coulomb stress calculations. Web publication/site https://doi.org/10.5078/corssa-32035809
    Hainzl, Sebastian (Author) ; Steacy, Sandy (Author) ; Marsan, David (Author). / Seismicity models based on Coulomb stress calculations. [Web publication/site].
    @misc{b5e38b9e544f46488fe4b2377b4756a8,
    title = "Seismicity models based on Coulomb stress calculations",
    abstract = "Our fundamental, physical, understanding of earthquake generation is that stress-build-up leads to earthquakes within the brittle crust rupturing mainly pre-existing crustal faults.While absolute stresses are difficult to estimate, the stress changes induced by earthquakes can be calculated, and these have been shown to effect the location and timing of subsequent events. Furthermore, constitutive laws derived from laboratory experiments can be used to model the earthquake nucleation on faults and their rupture propagation. Exploiting this physical knowledge quantitative seismicity models have been built. In this article, we discuss the spatiotemporal seismicity model based on the rate-and-state dependent frictional response of fault populations introduced by Dieterich (1994). This model has been shown to explain a variety of observations, e.g. the Omori-Utsu law for aftershocks. We focus on the following issues: (i) necessary input information; (ii) model implementation; (iii) data-driven parameter estimation and (iv) consideration of the involved epistemic and aleatoric uncertainties.",
    author = "Sebastian Hainzl and Sandy Steacy and David Marsan",
    year = "2010",
    month = "9",
    day = "1",
    doi = "10.5078/corssa-32035809",
    language = "English",

    }

    Hainzl, S, Steacy, S & Marsan, D, Seismicity models based on Coulomb stress calculations, 2010, Web publication/site. https://doi.org/10.5078/corssa-32035809
    Seismicity models based on Coulomb stress calculations. Hainzl, Sebastian (Author); Steacy, Sandy (Author); Marsan, David (Author). 2010.

    Research output: Non-textual formWeb publication/site

    TY - ADVS

    T1 - Seismicity models based on Coulomb stress calculations

    AU - Hainzl, Sebastian

    AU - Steacy, Sandy

    AU - Marsan, David

    PY - 2010/9/1

    Y1 - 2010/9/1

    N2 - Our fundamental, physical, understanding of earthquake generation is that stress-build-up leads to earthquakes within the brittle crust rupturing mainly pre-existing crustal faults.While absolute stresses are difficult to estimate, the stress changes induced by earthquakes can be calculated, and these have been shown to effect the location and timing of subsequent events. Furthermore, constitutive laws derived from laboratory experiments can be used to model the earthquake nucleation on faults and their rupture propagation. Exploiting this physical knowledge quantitative seismicity models have been built. In this article, we discuss the spatiotemporal seismicity model based on the rate-and-state dependent frictional response of fault populations introduced by Dieterich (1994). This model has been shown to explain a variety of observations, e.g. the Omori-Utsu law for aftershocks. We focus on the following issues: (i) necessary input information; (ii) model implementation; (iii) data-driven parameter estimation and (iv) consideration of the involved epistemic and aleatoric uncertainties.

    AB - Our fundamental, physical, understanding of earthquake generation is that stress-build-up leads to earthquakes within the brittle crust rupturing mainly pre-existing crustal faults.While absolute stresses are difficult to estimate, the stress changes induced by earthquakes can be calculated, and these have been shown to effect the location and timing of subsequent events. Furthermore, constitutive laws derived from laboratory experiments can be used to model the earthquake nucleation on faults and their rupture propagation. Exploiting this physical knowledge quantitative seismicity models have been built. In this article, we discuss the spatiotemporal seismicity model based on the rate-and-state dependent frictional response of fault populations introduced by Dieterich (1994). This model has been shown to explain a variety of observations, e.g. the Omori-Utsu law for aftershocks. We focus on the following issues: (i) necessary input information; (ii) model implementation; (iii) data-driven parameter estimation and (iv) consideration of the involved epistemic and aleatoric uncertainties.

    U2 - 10.5078/corssa-32035809

    DO - 10.5078/corssa-32035809

    M3 - Web publication/site

    ER -

    Hainzl S (Author), Steacy S (Author), Marsan D (Author). Seismicity models based on Coulomb stress calculations 2010. https://doi.org/10.5078/corssa-32035809