Difference between revisions of "CyberShake UGMS Velocity Model Data"

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This wiki entry lists the velocity information for the 14 UGMS sites. Included are the original Vs, Vp, and density material properties from CVM-S4.26 as well as the properties used within the CyberShake simulations.
 
This wiki entry lists the velocity information for the 14 UGMS sites. Included are the original Vs, Vp, and density material properties from CVM-S4.26 as well as the properties used within the CyberShake simulations.
  
−
In order to ensure the stability of the full 3D wave propagation simulations at 0.5Hz, CyberShake applies the following rules to each point in the velocity mesh:
+
In order to ensure the stability of the simulations at 0.5Hz, CyberShake applies the following rules to each point in the velocity mesh:
  
−
# Vs has a minimum of 500m/s
+
# Vs has a minimum of 500m/s.
 +
# Vp has a minimum of 1700m/s.
 
# Vp cannot be less than 1.45 x Vs. If it is, then Vs is set to be Vp / 1.45.
 
# Vp cannot be less than 1.45 x Vs. If it is, then Vs is set to be Vp / 1.45.
  
−
The data below displays the site name, latitude, longitude, and depth at which we queried CVM-S4.26. The original Vs, Vp, and density from the model are displayed, followed by the material properties after the two aforementioned rules have been applied. Therefore, the CyberShake Vs, Vp, and density columns represent what was actually used in the CyberShake 14.2 simulation.
+
The data below displays the site name, latitude, longitude, and depth at which we queried CVM-S4.26. The original Vs, Vp, and density from the model are displayed, followed by the material properties after the three aforementioned rules have been applied. Therefore, the CyberShake Vs, Vp, and density columns represent what was actually used in the CyberShake 14.2 simulation.
  
 
Attenuation is also set within the CyberShake code to be as follows:
 
Attenuation is also set within the CyberShake code to be as follows:
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Latest revision as of 21:34, 19 March 2015

Introduction

This wiki entry lists the velocity information for the 14 UGMS sites. Included are the original Vs, Vp, and density material properties from CVM-S4.26 as well as the properties used within the CyberShake simulations.

In order to ensure the stability of the simulations at 0.5Hz, CyberShake applies the following rules to each point in the velocity mesh:

  1. Vs has a minimum of 500m/s.
  2. Vp has a minimum of 1700m/s.
  3. Vp cannot be less than 1.45 x Vs. If it is, then Vs is set to be Vp / 1.45.

The data below displays the site name, latitude, longitude, and depth at which we queried CVM-S4.26. The original Vs, Vp, and density from the model are displayed, followed by the material properties after the three aforementioned rules have been applied. Therefore, the CyberShake Vs, Vp, and density columns represent what was actually used in the CyberShake 14.2 simulation.

Attenuation is also set within the CyberShake code to be as follows:

  • Qs = 0.05 * Vs
  • Qp = 2 * Qs

These attenuation values have been calculated and appended as the last two columns of the table below.

Data

Site Longitude Latitude Depth Original Vs Original Vp Original Density CyberShake Vs CyberShake Vp CyberShake Density Qs Qp
LADT 34.05204 -118.25713
0m 230.2060 696.4910 1974.9760 500.0000 1700.0000 1974.9760 25.0000 50.0000
200m 694.9100 2179.5250 2209.1470 694.9100 2179.5250 2209.1470 34.7455 69.4910
400m 1247.4080 2461.8590 2280.6300 1247.4080 2461.8590 2280.6300 62.3704 124.7408
WNGC 34.04182 -118.06530
0m 165.5870 397.9530 1927.8370 500.0000 1700.0000 1927.8370 25.0000 50.0000
200m 651.3200 1547.9480 2109.4210 651.3200 1700.0000 2109.4210 32.5660 65.1320
400m 908.1280 1949.9310 2172.8940 908.1280 1949.9310 2172.8940 45.4064 90.8128
PAS 34.14843 -118.17119
0m 309.0480 543.6350 1950.8400 500.0000 1700.0000 1950.8400 25.0000 50.0000
200m 1625.8890 4832.4410 2682.4670 1625.8890 4832.4410 2682.4670 81.2944 162.5889
400m 2477.9350 4713.7760 2682.4700 2477.9350 4713.7760 2682.4700 123.8967 247.7935
SBSM 34.06499 -117.29201
0m 192.8570 316.5220 1914.9790 500.0000 1700.0000 1914.9790 25.0000 50.0000
200m 810.7210 1786.4350 2147.0780 810.7210 1786.4350 2147.0780 40.5361 81.0721
400m 1117.3890 2123.2800 2238.7870 1117.3890 2123.2800 2238.7870 55.8695 111.7389
STNI 33.93088 -118.17881
0m 163.2050 401.8170 1928.4470 500.0000 1700.0000 1928.4470 25.0000 50.0000
200m 530.7270 1285.5660 2067.9910 530.7270 1700.0000 2067.9910 26.5363 53.0727
400m 713.7520 1618.7900 2120.6070 713.7520 1700.0000 2120.6070 35.6876 71.3752
SMCA 34.00909 -118.48939
0m 271.3170 696.4910 1974.9760 500.0000 1700.0000 1974.9760 25.0000 50.0000
200m 641.8190 1526.5320 2106.0390 641.8190 1700.0000 2106.0390 32.0909 64.1819
400m 891.8510 1922.9200 2168.6290 891.8510 1922.9200 2168.6290 44.5926 89.1851
CCP 34.05489 -118.41302
0m 243.1470 596.4970 1959.1870 500.0000 1700.0000 1959.1870 25.0000 50.0000
200m 753.0540 1687.3770 2131.4370 753.0540 1700.0000 2131.4370 37.6527 75.3054
400m 1055.0420 2123.3300 2223.3620 1055.0420 2123.3300 2223.3620 52.7521 105.5042
COO 33.89604 -118.21639
0m 159.0650 338.8980 1918.5120 500.0000 1700.0000 1918.5120 25.0000 50.0000
200m 576.9450 1372.1320 2081.6600 576.9450 1700.0000 2081.6600 28.8473 57.6945
400m 776.6420 1728.1150 2137.8690 776.6420 1728.1150 2137.8690 38.8321 77.6642
LAPD 34.55700 -118.12500
0m 2573.6350 4452.3280 2744.7760 2573.6350 4452.3280 2744.7760 128.6818 257.3635
200m 2573.6190 4453.7960 2744.7760 2573.6190 4453.7960 2744.7760 128.6810 257.3619
400m 2573.6020 4455.2650 2744.7760 2573.6020 4455.2650 2744.7760 128.6801 257.3602
P22 34.18277 -118.56609
0m 232.6130 451.0620 1936.2230 500.0000 1700.0000 1936.2230 25.0000 50.0000
200m 1303.9240 2482.4920 2268.1060 1303.9240 2482.4920 2268.1060 65.1962 130.3924
400m 1360.1800 2545.5670 2312.2210 1360.1800 2545.5670 2312.2210 68.0090 136.0180
s429 33.80858 -118.23333
0m 213.0000 696.4910 1974.9760 500.0000 1700.0000 1974.9760 25.0000 50.0000
200m 690.2730 1577.3670 2114.0660 690.2730 1700.0000 2114.0660 34.5137 69.0273
400m 928.7830 1984.0370 2178.2790 928.7830 1984.0370 2178.2790 46.4392 92.8783
s684 33.93515 -117.40266
0m 207.2540 348.4390 1920.0190 500.0000 1700.0000 1920.0190 25.0000 50.0000
200m 1058.6330 5862.4270 2821.5430 1058.6330 5862.4270 2821.5430 52.9317 105.8633
400m 3249.0520 5831.5400 2821.5470 3249.0520 5831.5400 2821.5470 162.4526 324.9052
s603 34.10275 -117.53735
0m 207.2540 348.4390 1920.0190 500.0000 1700.0000 1920.0190 25.0000 50.0000
200m 1049.3530 2148.9180 2246.2970 1049.3530 2148.9180 2246.2970 52.4677 104.9353
400m 2641.2830 4788.2080 2747.6660 2641.2830 4788.2080 2747.6660 132.0642 264.1283
s758 33.37562 -117.53532
0m 2413.4960 4082.6010 2577.6610 2413.4960 4082.6010 2577.6610 120.6748 241.3496
200m 2413.5340 4082.6280 2577.6610 2413.5340 4082.6280 2577.6610 120.6767 241.3534
400m 2413.5720 4082.6560 2577.6610 2413.5720 4082.6560 2577.6610 120.6786 241.3572
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