Within the framework of the transversal action seismicity of Résif, the organizing committee and the office of Résif announce the 2nd Workshop Résif – Aléa sismique, on January 29, 30 and 31, 2018 in Montpellier (Genopolys center).
This workshop will cover the following two themes :
- Process and deformation rate at the origin of seismicity in metropolitan France, modelling and comparison with geophysical and geological data
- National Reference Shakemaps: objectives, data, methods and tools in the national and international context
Contacts
stephane.mazzotti@gm.univ-montp2.fr et matthieu.ferry@gm.univ-montp2.fr
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Detailed programme and workshop report
Programme
Workshop presentations
– L. Danciu : Presentation of the european SERA seismic hazard and seismo-tectonic zonation project
January 29 – HAZARD SESSION 1a | Quantification of Deformation and Seismicity: Observations and Challenges (Chair : O. Scotti – M. Ferry)
14h30 – 15h30 – Seismicity catalogues
- C. Beauval : Exploitation of seismicity catalogues for the definition of source activity for the calculation of seismic hazard
- K. Manchuel : The French seismic catalogue FCAT-17
- S. Lambotte : Back to the seismicity catalogue questionnaire
- L. Provost : Prerequisites for the elaboration of a historical seismicity catalogue
16h30 – 18h00 – Paleoseismicity and geomorphology
- M. Ferry : Introduction, background, and issues
- T. Camelbeeck : Long-term seismic activity in North-West Europe
- M. Meghraoui : Paleoseismology of the Rhine Graben
- K. Manchuel : Towards a database of “possible active faults” in the South East of France
- C. Kaub : Case study on the Vendée region
- F. Thomas : Multi-disciplinary approach in the study of quaternary seismogenic deformations in slow tectonic environments – Case of Provence
- O. Bellier : Interaction canyon messinien et faille de Nîmes dans le secteur du bassin de Pujaut : apport quant à l’estimation de l’aléa local et régional
January 30 – HAZARD SESSION 1b | Deformation Quantification and Seismicity: Observations and Challenges (Chair : O. Scotti – M. Ferry)
9h00 – 10h30 – Geodesy
- P. Vernant : Introduction, background, and issues
- J.-M. Noquet : Contributions and limits of levelling in France
- K. Chanard : Accounting for Environmental Forcing in GNSS Data
- M. Matthey : 20 years of GPS measurements in the Briançonnais and development of InSAR techniques for slow deformation
- A. Walpersdorf : The Western Alps: do long-term GPS measurements confirm the deformation shown by seismic mechanisms?
January 30 – HAZARD SESSION 2 | Process and deformation modeling (Chair : H. Jomard – S. Mazzotti)
11h00 – 12h30 – Digital Processes, Forgings & Models
- S. Mazzotti : Introduction, background, and issues
- T. Camelbeeck : Contribution of the geoid study
- J.-R. Grasso : What seismic susceptibility to anthropogenic forcing in metropolitan France?
- J. Chéry : How to model deformation in France?
- A. Tarayoun : Structural Legacy Modeling
14h00 – 15h00 – Relationship between deformation and seismicity
- C. Sue : Introduction, contextualization, and issues
- F. Masson : GPS and seismicity of the Rhine graben
- F. Gueydan : Relationship tectonic legacy – location of current deformation
- A. Vallage : Parametrization of seismo-tectonic models of South-East France and comparison with seismicity catalogues
January 30 – HAZARD SESSION 3 | Seismo-tectonic zoning: How to meet the challenges? (Chair : H. Jomard – S. Mazzotti)
15h00 – 16h00 – Seismo-tectonic zoning
- H. Jomard – S. Mazzotti : Introduction
- C. Larroque : Seismo-tectonic zoning of the Southern Alps – Ligurian Basin junction
- C. Gélis : PAR “Kappa” Working Group
16h30 – 18h00 – Short and medium-term evolution of French seismic-tectonic zoning
- Short term: Update for SERA 2019 (following the SHARE project)
- In the medium term: Projects and means for the community (around the Seismicity Action of Résif?)
January 31 – HAZARD SESSION 4 & SHAKEMAP 1 | Summary & Introduction
10h30 – 11h00 – Summary of hazard days
- S. Mazzotti & H. Jomard
11h00 – 12h00 – The “ShakeMaps” in France : Introduction and current assessment
- A. Schlupp : The “ShakeMap” calculated in France and European context
- D. Bertil : Shakemap 3.5 : technical analyses on examples in the Pyrenees
- Discussion
January 31 – SHAKEMAP SESSION 2
13h30 – 14h40 – ShakeMap regionalization. Rationale and locks to be lifted
- Introduction & Chair : D. Bertil et IPGP/OVSG/OVSM : Introduction, contextualization, and problematic. Focus on the West Indies
- J. A. Jara et S. Figueras : Cross-border “ShakeMaps” in the Pyrenees
- D. Ambrois : Implementation of the Shakemaps in the South-East of France
- T. Lecocq et T. Camelbeeck : Monitoring networks in Belgium : real time ground motion & impact mapping
- Discussion
14h40 – 15h50 – Methodological alternatives
- Introduction & Chair – P. Gueguen : ShakeMaps as tools for scientific research
- P. Gehl : Use of Bayesian inference for the generation of ShakeMaps
- Zentner et F. de Martin : Comparison of Shakemap maps to physics-based simulation
- B. Hernandez, A. Le Pichon, J. Verzog et P. Herry : Imaging of infrasound waves generated by the strong movements of the Amatrice earthquake, 24 August 2016 (MW 6.2)
16h20 – 17h00 – Evolution and Improvement of the National and Current ShakeMap: On what and why? Review and discussions
- Chair : T. Lecocq
- A. Schlupp : Reflections from the Working Group in the context of the seismicity cross-cutting theme and update on the changes brought about by V4.0
- Review et discussion
Organizing Committee
Stéphane MAZZOTTI (University of Montpellier) ; Hervé JOMARD (IRSN) ; Matthieu FERRY (University of Montpellier) ; Frédéric MASSON (EOST) ; Oona SCOTTI (IRSN) ; Antoine SCHLUPP (EOST) et Didier BERTIL (BRGM).