Project description
How does the seafloor's landscape impact earthquakes?
Subduction zones are regions where one tectonic plate dives below the other, which leads to large earthquakes and associated tsunamis. Topographic features on the subducting seafloor are considered central in segmenting the plate interface into seismic and aseismic zones. They may thus control where earthquakes occur and how far they propagate. However, understanding the role of these features is difficult due to limitations in time and space in observations and modelling of crustal deformation in 2D and 3D. The EU-funded SEGMENT project will integrate pioneering modelling tools to study how and to what extent the subducting seafloor's topography impacts subduction earthquakes. Specifically, the project will combine seismotectonic numerical models with probabilistic natural observations from geodesy and seafloor roughness to obtain complementary information and quantify elusive links.
Objective
Earthquakes and associated tsunamis cause extensive human and economic losses and severe property damage in densely populated areas. The largest earthquakes occur in subduction zones, regions where one tectonic plate dives below another. To better prepare society, it is crucial to understand what controls the spatial and temporal occurrence of those largest earthquakes. Geometrical features on the seafloor that subduct with the downgoing plate, like seamounts and ridges, are thought to play an important role by segmenting the plate interface into seismic and aseismic regions. However, a physical and quantitative understanding of the role of geometrical features on the occurrence of earthquakes remains elusive due to limitations in observation time and space, as well as in modelling of crustal deformation mechanisms in 2D and 3D. SEGMENT will overcome these limitations through integrating the latest advanced forward and inverse modelling tools to study how and how much subducting geometrical features influence subduction earthquakes. Seismotectonic numerical models will be combined with probabilistic natural observations from geodesy and seafloor roughness to optimally extract complementary information and quantify elusive links. As these necessary tools are only now ready for exploration this proposal is highly timely. It will address important open questions related to how geometrical features influence the deformation at and around the plate interface, how this varies throughout multiple earthquake cycles and their role in rupture nucleation, propagation and arrest. SEGMENT thus places me in the position to make a breakthrough in a long-standing debate through providing a novel conceptual model describing the relationship between geometrical features along the subduction interface and the occurrence of earthquakes. This is crucial for improving seismic hazard assessment and our comprehension of subduction dynamics at all timescales.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences earth and related environmental sciences geology seismology plate tectonics
- social sciences sociology governance crisis management
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Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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H2020-EU.1.3. - EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions
MAIN PROGRAMME
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H2020-EU.1.3.2. - Nurturing excellence by means of cross-border and cross-sector mobility
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Topic(s)
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Funding Scheme
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
MSCA-IF - Marie Skłodowska-Curie Individual Fellowships (IF)
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Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) H2020-MSCA-IF-2020
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Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
3584 CS Utrecht
Netherlands
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.