Record #556925

DFG project G:(GEPRIS)142091950

Physics and structure of subduction-induced geodynamic transients in terms of reflection seismic and micro-seismological signatures

Coordinator	Professor Dr. Serge A. Shapiro
Grant period	2010 - 2015
Funding body	Deutsche Forschungsgemeinschaft
	DFG
Identifier	G:(GEPRIS)142091950

Note: We propose a combination of active and passive seismic studies in order to image and to characterize the structural inventory and the processes that occur in the vicinity of large scale fault zones in the Central Andean forearc system (North Chile), faults which are expected to have a relationship to transient processes in the subduction earthquake cycle. The overall aim of this project is to provide a reflection seismic frame and the related seismicity patterns for understanding the interaction between on the one hand, faults and seismic scattering structures (e.g., physical and structural heterogeneities, like zones of enhanced porosity filled with fluids and/or melts) in the crust and on the other hand, strain-, stress-, pore pressure-, temperature-, friction-, diffusion- and degassing-related transients (e.g., spatio-temporal complexity of seismicity distribution and tremors) caused by the subduction process. Therefore our aim is not only to identify and analyze 4D-transients but also to characterize the subsurface environment in which they occur.

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Record created 2023-02-03, last modified 2024-09-27

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