AspSync
Unravelling mechanisms controlling asperities synchronization and triggering mega-earthquakes: insights from analog experiments and subduction zone earthquake statistics
Total Cost €
0EC-Contrib. €
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Project "AspSync" data sheet
The following table provides information about the project.
| Coordinator |
UNIVERSITE DE MONTPELLIER
Organization address contact info |
| Coordinator Country | France [FR] |
| Project website | http://www.aspsync.wordpress.com |
| Total cost | 185˙076 € |
| EC max contribution | 185˙076 € (100%) |
| Programme |
1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility) |
| Code Call | H2020-MSCA-IF-2014 |
| Funding Scheme | MSCA-IF-EF-ST |
| Starting year | 2016 |
| Duration (year-month-day) | from 2016-01-01 to 2017-12-31 |
Partnership
Take a look of project's partnership.
| # | ||||
|---|---|---|---|---|
| 1 | UNIVERSITE DE MONTPELLIER | FR (MONTPELLIER) | coordinator | 185˙076.00 |
Map
Project objective
Subduction mega-earthquakes are among the most destructive events on Earth. When affecting very densely populated areas these earthquakes may cause extensive human losses and severe damages, as for the 2011 M9.0 Tohoku-Oki event (Japan). According to the ‘asperity model’, a mega-earthquake may occur when regions of the fault that are potentially seismic (i.e., asperities) interact and synchronize failing together. But understanding the physical conditions that are responsible for such synchronization still remains enigmatic. AspSync proposes to tackle this problem using a multidisciplinary approach that combines analog modelling with geodynamics and statistics. AspSync proposes to develop a 3D mechanical prototype that reproduces the convergent margin features, including interplate earthquakes. This model will feature laterally (i.e., in trench parallel direction) heterogeneous frictional behavior mimicking the asperities that characterize the plate interface. Tuning the physical and frictional properties of asperities, AspSync will systematically test the role of their dimensions, distance, geometry and strength in the synchronization process, unlocking the possibility to infer the physical conditions that lead to the triggering of mega-earthquakes. AspSync will then link the experimental results with ‘real Earth conditions’, studying the feedbacks between geodynamical properties of convergent margins and interplate seismicity aiming to identify the physical conditions that promote mega-earthquakes triggering. AspSync will update and analyze the existing database of global physical properties of subduction zones and interplate seismicity developed at UM2 applying robust statistics (e.g., multi-parametric pattern recognition analysis; analysis of temporal series) to quantitatively estimate cause-effect relationships between geodynamical and seismic parameters.
Publications
| year | authors and title | journal | last update |
|---|---|---|---|
| 2017 |
Fabio Corbi, Robert Herrendörfer, Francesca Funiciello, Ylona van Dinther Controls of seismogenic zone width and subduction velocity on interplate seismicity: Insights from analog and numerical models published pages: 6082-6091, ISSN: 0094-8276, DOI: 10.1002/2016GL072415 |
Geophysical Research Letters 44/12 | 2019-06-14 |
| 2018 |
S. Brizzi, L. Sandri, F. Funiciello, F. Corbi, C. Piromallo, A. Heuret Multivariate statistical analysis to investigate the subduction zone parameters favoring the occurrence of giant megathrust earthquakes published pages: , ISSN: 0040-1951, DOI: 10.1016/j.tecto.2018.01.027 |
Tectonophysics | 2019-06-14 |
| 2017 |
Fabio Corbi, Francesca Funiciello, Silvia Brizzi, Serge Lallemand, Matthias Rosenau Control of asperities size and spacing on seismic behavior of subduction megathrusts published pages: 8227-8235, ISSN: 0094-8276, DOI: 10.1002/2017GL074182 |
Geophysical Research Letters 44/16 | 2019-06-14 |
| 2016 |
S. Brizzi, F. Funiciello, F. Corbi, E. Di Giuseppe, G. Mojoli Salt matters: How salt affects the rheological and physical properties of gelatine for analogue modelling published pages: 88-101, ISSN: 0040-1951, DOI: 10.1016/j.tecto.2016.04.021 |
Tectonophysics 679 | 2019-06-14 |
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