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Space- and time- dependent probabilities for earthquake fault systems from numerical simulations: feasibility study and first results

AuthorsAalsburg, Jordan van; Rundle, J. B.; Grant, Lisa B.; Rundle, Paul B.; Yakolev, Gleb; Turcotte, Donald L.; Donnellan, Andrea; Tiampo, Kristy F.; Fernández Torres, José
California seismicity
Earthquake hazard
Issue Date2010
PublisherBirkhäuser Verlag
CitationPure and Applied Geophysics, 167 (8/9) : 967-977 (2010).
AbstractIn weather forecasting, current and past observational data are routinely assimilated into numerical simulations to produce ensemble forecasts of future events in a process termed “model steering”. Here we describe a similar approach that is motivated by analyses of previous forecasts of the Working Group on California Earthquake Probabilities (WGCEP). Our approach is adapted to the problem of earthquake forecasting using topologically realistic numerical simulations for the strike-slip fault system in California. By systematically comparing simulation data to observed paleoseismic data, a series of spatial probability density functions (PDFs) can be computed that describe the probable locations of future large earthquakes. We develop this approach and show examples of PDFs associated with magnitude M > 6.5 and M > 7.0 earthquakes in California.
Publisher version (URL)http://dx.doi.org/10.1007/s00024-010-0091-3
Appears in Collections:(IAG) Artículos
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