EGU General Assembly 2007
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  Information - SM11 Earthquake Dynamics: New insights in the rupture process and seismic radiation through theory, modeling and observations

Event Information
One of the key challenges for the seismological community is modeling the near-field seismic radiation from earthquake ruptures that exhibit spatio-temporal variability at all scales. The relevance of this topic for ground-motion excitation is also driving new developments in theoretical and numerical approaches to earthquake source dynamics. In this session we aim to bring together dynamic rupture modelers, researchers working on earthquake source inversion, ground-motion simulation specialists and observational seismologists to discuss recent innovations in earthquake source characterization. This session invites contributions on theoretical and numerical developments as well as observational studies to portray earthquake mechanics, source scaling and seismic radiation.

In particular, we encourage contributions that address the effects of geometrically complex fault zones on the source-rupture process. We especially seek papers on new developments in rupture dynamics, in the realm of rupture nucleation, propagation and arrest under heterogeneous initial stress conditions, rupture propagation and seismic radiation on branched and curved faults. Particularly welcome are studies on the nature, scaling properties and general characterization of the “seismic fracture energy”, and the impact of that energy-term on seismic radiation. We also solicit contributions on novel inversion approaches to estimate dynamic source parameters from observational data directly, as well as multi-scale methods to optimally investigate the time-space evolution of the dynamic rupture process.

Preliminary List of Solicited Speakers
Eiichi Fukuyama, NEID Tsukuba, Japan
Alessio Piatanesi, INGV Rome, Italy


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