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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 €

0

EC-Contrib. €

0

Partnership

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 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.

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

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 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
List of publications.
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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