Numerical Seismology project

Etude de la génération de séismes et la propagation des ondes sismique

- Study on the earthquake generation and seismic wave propagation processes -

I have been runing my calculation at French national supercomputing center, GENCI/CINES since 2011.

• Grant GENCI/TGCC (since 2022) and Idris (since 2023) A0YY0406700. YY = 2*(20yy-2022) + 11.
• Grant GENCI/CINES A00Y0406700 (since 2017). Y = 2*(20yy-2017)+1.
• Grant GENCI/CINES c201X-046700 (until 2016).

Codes (See Numerical Methods)

• Boundary Integral Equation Method
• Finite Difference Method
• Boundary Domain Method

Annual reports

• 2025 A17 (235 000 hours @ Idris + 300 000 @ TGCC):
• 2024 A15 (200 000 hours @ Idris + 350 000 @ TGCC): Annual Report
• 2023 A13 (200 000 hours @ Idris + 330 000 @ TGCC): Annual Report
• 2022 A11 (240 000 hours on TGCC) Annual Report
• 2021 A9 (276 000 hours + bonus 82 800 hours): Annual Report
• 2020 A7 (155 000 hours): Annual Report
• 2019 A5 (208 000 hours + supplementary 20 000 hours): Annual Report
• 2018 A3 (215 000 hours + supplementary 15 000 hours): Annual Report
• 2017 A1 (90 000 hours + supplementary 15 000 hours): Annual Report
• 2016 (100 000 hours = system change at CINES): Annual Report.
• 2015 (150 000 hours + 1000 hours on CCRT CPU/GPU): Annual Report.
• 2014 (96 000 hours): Annual Report.
• 2013 (100 000 hours): Annual Report. Also a contribution to Annual report of GENCI 2013.
• 2012 (180 000 hours): Annual Report.
• 2011 (90 000 hours): Annual Report.


• Total: 3 566 000 hours (= 407.1 years).

Contributions [Geoscience]

• Aochi, H. and K. Tsuda, Dynamic ruptur simulations based on depth-dependent stress accumulation, Geophys. J. Int. , 233, 182-194, 2023. https://doi.org/10.1093/gji/ggac453
• Aochi, H. and S. Ruiz, Early stage and main ruptures of the 2015 Mw8.3 Illapel, Chile, megathrust earthquake : Kinematic elliptical inversions and dynamic rupture simulations, accepted in J. Geophys. Res., 126, e2020JB021207, 2021. https://doi.org/10.1029/2020JB021207
• Aochi, H. and C. Twardzik, Imaging of seismogenic asperities of the 2016 ML6.0 Amatrice, Central Italy, earthquake through dynamic rupture simulations, Pageoph, 170, 1931-1946, doi:10.1007/s00024-019-02199-z, 2020.
• Aochi, H., Dynamic asymmetry of normal and reverse faults due to constrained depth-dependent stress accumulation, Geophys. J. Int., 215, 2134-3243, doi:10.1093/ggy407, 2018.
• Aochi, H. and A. Burnol, Mechanism of the ML4.0 25th April 2016 earthquake in southwest of France in the vicinity of the Lacq gas field, J. Seismol., 22, 1139-1155, 2018. doi: 10.1007/s10950-018-9758-5.
• Akinci, A., H. Aochi, A. Herrero, M. Pischiutta, and D. Karanikas, Phyics-based broadband ground motion simulations for probable M>7.0 earthquakes in the Marmara Sea region, Bull. Seism. Soc. Am., 107, 1307-1323, doi:10.1785/0120160096, 2017.
• Aochi, H., T. Ulrich and J. Douglas, Stress accumulation in the Marmara Sea estimated through ground-motion simulations from dynamic rupture scenarios, J. Geophys. Res., 122, 2219-2235, doi: 10.1002/2016JB013790, 2017.
• Aochi, H. and M. Yoshimi, Seismological asperities from the point of view of dynamic rupture modeling: the 2007 Mw6.6 Chuetsu-Oki, Japan, earthquake, J. Seismology, 20, 1089-1105, doi:10.1007/s10950-016-9569-5, 2016.
• Douglas, J. and H. Aochi, Assessing components of ground-motion variability from simulations for the Marmara Sea region (Turkey), Bull. Seism. Soc. Am., 106, 300-306, doi:10.1785/0120150177, 2016.
• Ulrich, T. and H. Aochi, Rapidness and robustness of finite source inversion from elliptical patches method using continuous GPS and acceleration data: 2011 Mw9.0 Tohoku earthquake, Pageoph, 172, 3439-3453, doi:10.1007/s00024-014-0857-0, 2015.
• Aochi, H. and T. Ulrich, A probable earthquake scenario near Istanbul determined from dynamic simulations, Bull. Seism. Soc. Am. , 105(3), 1468-1475, doi:10.1785/0120140283, 2015.
• Aochi, H. and S. Ide, Ground motions characterized by a multi-scale heterogeneous earthquake model, Earth Planets and Space, 66:42, doi:10.1186/1880-5981-66-42, 2014.
• Aochi, H., T. Ulrich, A. Ducellier, F. Dupros, D. Michea, Finite difference simulations of seismic wave propagation for unerstanding earthquake physics and predicting ground motions: Advances and challenges, J. Phys: Conf. Ser., 454, 012010, doi: 10.1088/1742-6596/454/1/012010, 2013.
• Ide, S. and H. Aochi, Historical seismicity and dynamic rupture process of the 2011 Tohoku-Oki earthquake, Tectonophys., 600, 1-13, doi: 10.1016/j.bbr.2011.03.031., 2013.
• Aochi, H., A. Ducellier, F. Dupros, M. Delatre, T. Ulrich, F. de Martin and M. Yoshimi, Finite difference simulations of the seismic wave propagaion for the 2007 Mw6.6 Niigata-ken Chuetsu-Oki earthquake: Validity of models and reliable input ground motion in the near field, Pure appl. Geophys., 170, 43-64, doi: 10.1007/s00024-011-0429-5, 2013.
• Aochi, H. and S. Ide, Conceptual multi-scale dynamic rupture model for the 2011 Off-the-Pacific-Coast-of-Tohoku earthquake, Earth Planets Space, 63, 761-765, 2011.
• Aochi, H. and F. Dupros, MPI-OpenMP hybrid simulations using boundary integral equation and finite difference methods for earthquake dynamics and wave propagation: Application to the 2007 Niigata Chuetsu-Oki earthquake (Mw6.6), Procedia Comptuter Science, 4, 1496-1505, doi:10.1016/j.procs.2011.04.162, 2011.

Other contributions [Computing] from Fabrice Dupros and his colleagues

• Moustafa, S., W. Kirschenmann, F. Dupros, H. Aochi, Task-Based Programming on Emerging Parallel Architectures for Finite-Differences Seismic Numerical Kernel, European Concerence on Parallel Processing (Euro-Par 2018): Lecture Notes in Computer Science, 11014, 764-777, doi:10.1007/978-3-319-96983-1_54, 2018.
• Boito, F. Z., J. L. Bez, F. Dupros, M. A. R. Dantas, P. O. A. Navaux, and H. Aochi, High Performance I/O for Seismic Wave Propagation Simulations, Euromicro International Conference on Parallel, Distributed and Network-baed Processing (PDP), 31-38, doi:10.1109/PDP.2017.92, 2017.
• Castro, M., E. Francesquini, F. Dupros, H. Aochi, P. O. A. Navaux, J.-F. Mehaut, Seismic wave propagation simulations on low-power and performance-centric manycores, Parallel Computing, 54, 108-120, doi:10.1016/j.parco.2016.01.011, 2016.
• Martinez, V., D. Michea, F. Dupros, O. Aumage, S. Thibault, H. Aochi, P. O. A. Navaux, Towards seismic wave modeling on heterogeneous many-core architectures using task-based runtime system, Computer Archietecture and High Performance Computing (SBAC-PAD), 1-8, doi:10.1109/SBAC-PAD.2015.33, 2015.
• Dupros, F., F. Boulahya, H. Aochi, and P. Thierry, Communication-Avoiding Seismic Numerical Kernels on Multicore Processors, High Performance Computing and Communications (HPCC), International Symposium on Cyeberspace Safety and Security (CSS), International Conference on Embedded Software and Systems (ICESS), 330-335, doi:10.1109/HPCC-CSS-ICESS.2015.230, 2015.
• Allombert, V., D. Michea, F. Dupros, C. Bellier, B. Bourgine, H. Aochi and S. Jubertie, An out-of-core GPU approach for accelerating geostatistical interpolation, Porcedia Computer Science, 29, 888-896, doi:10.1016/j.procs.2014.05.080, 2014.
• Dupros, F., H.-T. Do, and H. Aochi, On scalability issues of the elastodynamics equations on multicore platforms, Procedia Computer Science, 18, 1226-1234, doi:10.1016/j.procs.2013.05.289, 2013.
• Michea, D., J. Pouderoux, F. Dupros and H. Aochi, Steering and in-situ visualization for simulation of seismic wave propagation on graphics cards, Applied Parallel and Scientific Computing. PARA2012. Lecture notes in Computer Science, 7782, 107-114, doi:10.1007/978-3-642-36803-5_7, 2012.
• ... and more.

---

Created on the 25th January 2017. All rights reserved.
Back to Research/Projects page.
Back to Top page.