PhD student at ENS Paris for Earthquake Cycle Simulation
- Ecole normale superieure, Department of Geosciences
- Paris, Ile-de-France (FR)
- Closing date
- Apr 19, 2023
- Mineral and Rock Physics, Seismology, Solid Earth Geophysics, Tectonophysics
- Career Level
- Student / Graduate
- Education Level
- Relocation Cost
- No Relocation
- Sector Type
Small transient stress perturbations are prone to trigger earthquakes and a better understanding of the dynamic of earthquake triggering by transient stress perturbations is essential in order to improve our understanding of earthquake physics and our consideration of seismic hazard. In the Earth's crust, these transient stress changes can be caused by various sources (passing of seismic waves, forcing by tides, hydrological load, and other seasonal climatic loads). In the framework of the three-year collaborative project SESAME (SEismicity: Statistical Analysis, Modeling and Experiments; 2023-2026) between Laboratoire de Géologie de l’Ecole Normale Supérieure (LG-ENS, Paris, France) and University of Tokyo (Japan), a PhD student is expected to develop numerical models, ranging from statistical physics to advanced solid/fault mechanics towards to our better understanding on the mechanical conditions favorable to a small stress perturbation such as tidal and seasonal triggering, at both the natural and laboratory scales.
The principal scientific question is the following: How does the modulation (susceptibility) of seismicity changes with the rate of tectonic loading, the amplitude and frequency of stress perturbations, the timing within the earthquake cycle and finally, the magnitude of the earthquakes considered?
The primary target is the Japanese subduction where various phenomena are coupled: tremors, low-frequency earthquake, slow earthquakes, static nucleation, dynamic nucleation, foreshocks, aftershocks, afterslip. Furthermore, another type of the plate boundary is also to discuss such as the East Anatolian fault such as the 2023 earthquakes.
The PhD student, based on LG-ENS and fully funded by the program (three years), is expected to work collaboratively with different researchers and students within ENS and also with the University of Tokyo. A stay of a few months at the University of Tokyo is planned to refine the numerical models as well as to analyze the seismic data. We seek a highly motivated student, having a strong interest in earthquake mechanics. Background acquired on earthquake seismology, rock mechanics and geophysics, scientific computing will be appreciated. The applicant should hold a master degree in Earth Science or related field. Enquiries regarding this PhD project might be addressed to either of the three laboratory members mentioned on the top.
The application should contain (1) a full CV, (2) a cover letter including research interests and motivation, (3) the contact information of at least two potential referees, (4) A scanned copy of diploma, and (5) transcripts of records. The application should be submitted to firstname.lastname@example.org preferably before 30th April 2023, when we start the selection process. We continue recruiting until the position is filled (final deadline - the end of May 2023). The identified candidate will need to pass the approbation process (in June 2023) at the Ecole Doctorale STEP’UP.
Please refer https://www.geosciences.ens.fr/phd-offer-mechanical-modelling-of-tidal-modulation-during-seismic-cycle
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