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AspSync

Unravelling mechanisms controlling asperities synchronization and triggering mega-earthquakes: insights from analog experiments and subduction zone earthquake statistics

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

AspSync project word cloud

Explore the words cloud of the AspSync project. It provides you a very rough idea of what is the project "AspSync" about.

analysis effect event damages interact mechanical interplate earthquakes possibility failing statistics relationships human geodynamical destructive dimensions seismic database zones plate unlocking um2 experimental aspsync distance responsible densely parametric mimicking prototype direction strength tuning fault oki global tohoku earth analyze trench enigmatic extensive physical mega analog m9 japan behavior asperities update convergent geodynamics tackle populated model margin estimate interface heterogeneous recognition synchronization 3d pattern systematically reproduces laterally parallel subduction link proposes asperity quantitatively geometry series regions losses multidisciplinary margins seismicity frictional events infer potentially 2011 earthquake combines temporal severe feedbacks synchronize

Project "AspSync" data sheet

The following table provides information about the project.

Coordinator	UNIVERSITE DE MONTPELLIER Organization address address: 163 RUE AUGUSTE BROUSSONNET city: MONTPELLIER postcode: 34090 website: www.umontpellier.fr contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
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.

#	participants	country	role	EC contrib. [€]
1	UNIVERSITE DE MONTPELLIER UNIVERSITE DE MONTPELLIER Organization address address: 163 RUE AUGUSTE BROUSSONNET city: MONTPELLIER postcode: 34090 website: www.umontpellier.fr contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	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

List of publications.
year	authors and title	journal	last update
2017	Fabio Corbi, Robert HerrendÃ¶rfer, 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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The information about "ASPSYNC" are provided by the European Opendata Portal: CORDIS opendata.