Articles | Volume 23, issue 6
Nonlin. Processes Geophys., 23, 419–433, 2016
https://doi.org/10.5194/npg-23-419-2016
Nonlin. Processes Geophys., 23, 419–433, 2016
https://doi.org/10.5194/npg-23-419-2016

Research article 16 Nov 2016

Research article | 16 Nov 2016

Conditions for the occurrence of seismic sequences in a fault system

Michele Dragoni and Emanuele Lorenzano

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Revised manuscript not accepted
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Cited articles

Anderson, E. M.: The Dynamics of Faulting, 2nd ed., Oliver and Boyd, Edinburgh, 206 pp., 1951.
Belardinelli, M. E., Bizzarri, A., and Cocco, M.: Earthquake triggering by static and dynamic stress changes, J. Geophys. Res., 108, 2135, https://doi.org/10.1029/2002JB001779, 2003.
Caporali, A. and Ostini, L.: Analysis of the displacement of geodetic stations during the Emilia seismic sequence of May 2012, Ann. Geophys., 55, 4, 767–772, https://doi.org/10.4401/ag-6115, 2012.
Carvalho, J. L. and Curran, J. H.: Three-dimensional displacement discontinuity solutions for fluid-saturated porous media, Int. J. Solids Struct., 35, 4887–4893, 1998.
Castro, R. R., Pacor, F., Puglia, R., Ameri, G., Letort, J., Massa, M., and Luzi, L.: The 2012 May 20 and 29, Emilia earthquakes (Northern Italy) and the main aftershocks: S-wave attenuation, acceleration source functions and site effects, Geophys. J. Int., 195, 597–611, https://doi.org/10.1093/gji/ggt245, 2013.
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Short summary
We devise a model of a fault system and study the conditions under which it can generate a sequence of seismic events. We also point out the conditions determining the order of the events in a sequence. A significant conclusion of our analysis is that the features of seismic sequences originated by a given fault system (order of events, duration of the sequence, duration of interseismic intervals) typically change from one sequence to another, due to the complexity of fault interaction.