1. Development of Scalable and Accurate Earthquake Simulations Xue-bin Chi Computer Network Information Center, Chinese Academy of Sciences chi@sccas.cn

2. Objectives and significance Develop large scale earthquake simulations on extreme scale supercomputer system Improve parallel performance of the existing AWP-ODC-GPU code, get comparison results on both China and US Petascale systems Develop AMR/DM capabilities added to AWP- ODC, capable of resolving the rupture process and wave propagation over orders of magnitude in length and time scales

3. Objectives and significance Incorporate inelastic off-fault response into AWP-ODC Implement fully nonlinear 3D soil response into AWP-ODC Visual analysis on wave propagation

4. Need for and Impact of China- US Collaboration NSF and NSFC give support for this project Improve both earthquake simulation height An example for multidisciplinary, especially on Geoscience and computer science, as well as algorithm and software areas Will be a milestone for earthquake simulation

5. Approach and mechanisms Work together on both side via exchange scholar Establish a long relationship on both side working group Build up a platform for earthquake simulation

6. Teams Dr. Yifeng Cui Dr. Kim Olsen Dr. Steven Day Prof. Xiang-chu Yin Dr. Xuebin Chi Dr. Jian Zhang, Dr. Ningming Nie …

7. Thank you very much!