1. UCERF3 development (Field/Milner)2. Broadband Platform development (Silva/Goulet/Somerville and others)3. CVM development to support higher frequencies (Olsen and others)4. CVM-H developments for new regions (Shaw/Plesch)5. Full 3D tomography using small earthquakes, and ambient noise

(Chen/Lee, Tape)6. Dynamic ruptures at hazardous earthquake scale (Day/Olsen)7. CyberShake development and production runs (Callaghan/Olsen/Graves)8. Averaging-based Factorization Analysis Developed (Wang/Jordan)9. CISN ShakeAlert Testing (Liukis/Maechling)10. CSEP Testing (Liukis and others)11. Transient Detection Testing (Liukis, Lohman)12. Multiple ground motions modeling groups working above 4Hz.

(Bielak/Taborda, Olsen/Cui/Day)13. 10Hz dynamic rupture on rough fault (Day/Withers/Olsen and others)14. 10Hz deterministic wave propagation simulations (Cui/Olsen and others)

CME 2013 Computational Science Results

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14. Running SCEC science on Titan (#1), Mira (#4), Stampede (#7), Yellowstone (#13), and Blue Waters (NSF Track 1) in the Top 500 supercomputers (Nov 2012)

15. Developing the software and operating complex computational platforms including OpenSHA, Broadband Platform, UCVM, CyberShake, CSEP

16. Advanced parallel code development for GPUs on worlds largest computers. (AWP-ODC-GPU, Hercules, SPECFEM3D)

17. Advanced scientific workflow development on worlds largest computers (Pegasus-MPI-Cluster)

18. Multiple scientific computational firsts (Hercules high-frequency/low min Vs simulations, SORD 10Hz dynamic rupture, AWP-ODC 2.5Hz with modified CVM, AWP-GPU 10Hz deterministic)

19. Multiple production simulation runs (OpenSHA UCERF3, CyberShake 13.4, Broadband Fling Study and SWUS)

20. Public software release of Unified Community Velocity Model (UCVM) software v13.9.0

21. Public software release of Broadband Platform (BBP) software v13.9.0

CME 2013 Computational Science Results

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SCEC Software Developers

Current SCEC Software Development Projects:

1.Scott Callaghan – CyberShake

2.Kevin Milner – OpenSHA / UCERF3

3.David Gill – CVM-H, UCVM, and ShakeOut

4.Maria Liukis – CSEP / EEW / Transient Detection

5.Fabio Silva – Broadband Platform

6.John Yu – Computers and storage, CSEP, Data management

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Science Daily Coverage of SCEC GPU Code

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SDSC/SDSU/SCEC Software Innovation Award

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Uniform California Earthquake Rupture Forecast (UCERF3) Calculations done on Stampede

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SCEC UCERF3 Featured in NSF Discoveries Article

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ABF Basin Amplification Maps (SA-3s corrected for VS 30)

Wang & Jordan (2013)

ln B(r)

Validation Data Products: Map GOF

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Figure 4: Illustration showing how a fractal model of small-scale heterogeneities is added into a 3D velocity model. The vertical section (left) and surface slice (right) of Vs velocity model including a fractal model with H=0.0 and =5%. (Image Credit Kim Olsen)

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Tomography-based CVM updates produce waveform improvements

updated

initial

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Figure 3: (a) Map of topography and major faults (thick black lines) of southern California. (b) The optimal perturbation results of the southern California tomographic inversion including iteration CVM-S4.21 performed on Yellowstone. In perturbation maps, the red regions represent velocity reduction areas and the blue regions represent velocity increase areas. (Image Credit: En-Jui Lee/Po Chen) 12

Chino Hills at 4 Hz and 200 m/s

Used ~350 stations for validation

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Image Image Credit: Ricardo Taborda

Examples of the non-planar fault geometry in current San Andreas Fault Model.(Image Credit: Geoff Ely)

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15Image Credit: Scott Callaghan

SCEC Usage of Blue Waters showing SCEC with 23% of machine running CyberShake Hazard Calculations

2.5Hz Chino Hills with and w/o CVM heterogeneities

16Image Credit: NCAR/Kim Olsen

Workflow Tool Development to Support CyberShake

• We started with excellent scientific codes and improved it over 5 years.

• In the following section, we describe a number of late-stage improvements that enabled us to reach the M8 milestone.

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CyberShake Hazard Maps from CyberShake 13.4 Study 18

Generation of high Frequency (>1Hz) ground motions using SORD and a rough fault. (Image Credit: Steven Day, Kim Olsen)

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10Hz SORD Dynamic Rupture and Wave Propagation with and without small scale Heterogeneities

20Image Credit: Kim Olsen, Yifeng Cui, Amit Chourasia