MARsite kickoff meeting December 19-20, 2012, Istanbul INGV contribution to WP5 Tasks 2 & 4 Alessio Piatanesi.

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Presentation transcript:

MARsite kickoff meeting December 19-20, 2012, Istanbul INGV contribution to WP5 Tasks 2 & 4 Alessio Piatanesi

Personnel working in the group Contributors: - Alessio Piatanesi, researcher - Antonella Cirella, researcher - Elisa Tinti, researcher - Laura Scognamiglio, researcher - Stefano Lorito, researcher - Fabrizio Romano, researcher

Main involvements: Tasks Task Near real-time determination of the earthquake finite-fault source parameters and models, based on GPS and strong motion data Task Creating a scenario database for earthquake triggered tsunamis and Testing of the routine with well-studied events

Main involvements: Deliverables D5.3 - Performance assessment of finite-fault inversion codes in the Marmara configuration Delivery date: 30 D5.4 - Near real-time estimation of most relevant earthquake source parameters Delivery date: 30 D5.7 - Tectonic origin tsunami scenario database for the Marmara region Delivery date: 36

Specific contributions: Task 5.2 “Two finite-fault inversion programs will be developed, tested and compared. The first code implements a linear technique to invert strong motion and GPS data: it is very fast and produces a model of the earthquake rupture process in term of heterogeneous slip distribution, uniform rise time and constant rupture velocity.” CPU TIME: 10s to 2hours depending on how many constant rise times and rupture velocities are tested Scognamiglio et al. 2010, SRL

Specific contributions: Task 5.2 “Two finite-fault inversion programs will be developed, tested and compared. The second code is based on a simulated annealing technique: it is slower than the former, but it may handle very complicated rupture model with heterogeneous slip, rise time and rupture velocity, other than several kind of source time function.” CPU TIME: about 15 hours Cirella et al., GRL, 2009

Specific contributions: Task 5.4 “The goal of the present task is to build up a detailed scenario database for all possible earthquakes in the Marmara Sea with a tsunamigenic potential.” Tsunami scenario in the Marmara sea