CMU Quake Group
Ground Motion Animations and Images


TeraShake 1.3 - 1.0Hz 200m/s Simulation

SCEC 2007 Presentation Video and EERI Graphics Competition Submission


SC06 HPC Analytics Challenge, Winning entry, November 2006

High-resolution movie

Extended abstract

Model description

Area covered: 100 km x 100 km x 37.5 km
Magnitude:Mw 6.7
Maximum frequency:1.0 Hz
Damping:Rayleigh
Min shear wave velocity:100 m/s
Points per wavelength:10

TeraShake 1.3 - 1.0Hz 200m/s Simulation

AGU 2006 Presentation Video

Surface animations

Hercules + CVM4

Component Displacement Velocity
Y Dis_Y (50.5 MB) Vel_Y (70.8 MB)
X Dis_X (52.4 MB) Vel_X (72.1 MB)
Z Dis_Z (61.5 MB) Vel_Z (66.4 MB)
Cummulative
Peak Magnitude
Dis_Peak (53.1 MB) Vel_Peak (59.6 MB)
Note: The Y component is the horizontal component on the screen.

Selected points

Location Velocity
Time History
Amplitude
Spectra
Bakersfield jpg jpg
Lancaster jpg jpg
Long Beach jpg jpg
Los Angeles jpg jpg
Mexicali jpg jpg
Palm Springs jpg jpg
Riverside jpg jpg
San Diego jpg jpg
San Fernando jpg jpg
Santa Monica jpg jpg
Victorville jpg jpg
Yuma jpg jpg

Model description

Area covered: 600 km x 300 km x 80 km
Magnitude:Mw 7.7
Physical quantity: Displacements (m) at the free surface
Maximum frequency:1.0 Hz
Damping:Rayleigh
Min shear wave velocity:200 m/s
Points per wavelength:6
Delta Time:0.006 seconds
Total simulated time:180 seconds

Run statistics - BigBen at PSC

Total number of mesh elements: 140.1 million
Total number of mesh nodes: 147.3 million
Total number of processors: 2048
Total running time: 54365.90 seconds (15 hrs 6 min 5.9 sec)
Meshing time: 2322.14 seconds (38 min 42.1 sec)
Source construction time: 1038.58 seconds (17 min 18.6 sec)
Solving time: 50840.67 seconds (14 hrs 7 min 20.6 sec)
Other processes time: 164.51 seconds (2 min 44.5 sec)
Solving-Time/step: 1.69 seconds

Credits: Animation created by Ricardo Taborda and Leonardo Ramirez-Guzman CMU Quake group, from a synthetic 1.0 Hz dataset generated by the CMU Quake group, using the Hercules tool chain (SC06), running at the Pittsburgh Supercomputing Center.


TeraShake 1.3 - 0.5Hz 500m/s Simulation

Surface animations

Hercules + CVM3

Component Displacement Velocity
Y Dis_Y (68.6 MB) Vel_Y (82.5 MB)
X Dis_X (71.3 MB) Vel_X (84.8 MB)
Z Dis_Z (85.2 MB) Vel_Z (79.4 MB)
Cummulative
Peak Magnitude
Dis_Peak (62.9 MB) Vel_Peak (63.5 MB)
Note: The Y component is the horizontal component on the screen.

Hercules + CVM4

Component Displacement Velocity
Y Dis_Y (68.5 MB) Vel_Y (81.1 MB)
X Dis_X (71.3 MB) Vel_X (83.7 MB)
Z Dis_Z (84.8 MB) Vel_Z (77.2 MB)
Cummulative
Peak Magnitude
Dis_Peak (62.9 MB) Vel_Peak (63.5 MB)
Note: The Y component is the horizontal component on the screen.

Model description

Area covered: 600 km x 300 km x 80 km
Magnitude:Mw 7.7
Physical quantity: Displacements (m) at the free surface
Maximum frequency:0.5 Hz
Damping:Rayleigh
Min shear wave velocity:500 m/s
Points per wavelength:8
Delta Time:0.0125 seconds
Total simulated time:250 seconds

Run statistics - BigBen at PSC

Hercules + CVM3 Hercules + CVM4
Total number of mesh elements: 82.3 million 81.4 million
Total number of mesh nodes: 84.5 million 83.7 million
Total number of processors: 1024 1024
Total running time: 15802.95 seconds (4 hrs 24 min) 14110.41 seconds (3 hrs 55 min)
Meshing time: 959.55 seconds (16 min) 671.93 seconds (11 min)
Source construction time: 3403.60 seconds (57 min) 2802.72 seconds (47 min)
Solving time: 11372.30 seconds (3 hrs 10 min) 10567.02 seconds (2 hrs 56 min)
Time/step: 0.79 seconds 0.71 seconds

Credits: Animation created by Ricardo Taborda and Leonardo Ramirez-Guzman CMU Quake group, from a synthetic 0.5 Hz dataset generated by the CMU Quake group, using the Hercules tool chain (SC06), running at the Pittsburgh Supercomputing Center.


LA basin simulation

Credits: Animations created by Hong Feng Yu and Kwan-Liu Ma, UC-Davis Visualization and Graphics Research Group, from a synthetic 0.5 Hz wavefield dataset generated by the CMU Quake project, using the Hercules tool chain (SC06), running at the Pittsburgh Supercomputing Center.


1994 Northridge aftershock, San Fernando valley

Credits: Animations created by Greg Foss, Pittsburgh Supercomputing Center and CMU Quake group from a synthetic 1 Hz wavefield dataset generated by the CMU Quake group using the Archimedes tool chain.


1995 Kobe mainshock

Credits: Animation created by Greg Foss, Pittsburgh Supercomputing Center and CMU Quake group using synthetic wavefield data generated by the Yoshi Hisada, Kogakuin University, Tokyo, Japan, and the CMU Quake group.