HighF v14.12

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High-F 14.12 Verification and Validation Exercise

This page collects information about a proposed high frequency verification and validation exercise. Planning started in Dec 2014.

Simulation Box / Velocity Model

Parameter Value Notes
Dimensions (km) 180 x 135 x 61.875
Bounding Box (LL) -119.288842 34.120549, -118.354016 35.061096, -116.846030 34.025873, -117.780976 33.096503
UCVM Version 13.9.0 No heterogeneities
Velocity Model Versions CVM-S4, CVM-S4 v26 CVM-S5?
Miniumum Vs 200 m/s
Samples per wavelength 8
Hercules Etree ch-cvms400-100-4hz-200ms.e, ch-cvms426-223-4hz-200ms.e CVM-S5 etree?


Sources

The simulation will be repeated for two point sources and one extended source.

Point Source Parameters

Parameter Value Notes
Event Name La Habra
Origin Time 2014/03/29 04:09:42.97 Source: En-Jui
Origin Location -117.930; 33.922; 5.0km Source: En-Jui
Strike/Dip/Rake 1 134/55/155 Source: En-Jui, initial
Strike/Dip/Rake 2 239/70/38 Source: En-Jui, based on review of aftershock sequence
Rise Time 0.75 s
Origin X/Y EQ_lahabra_xy.list


SRC Format La Habra Source

  • MAGNITUDE = 5.12
  • FAULT_LENGTH = 5.0
  • FAULT_WIDTH = 2.25
  • DEPTH_TO_TOP = 4.7125
  • STRIKE = 239
  • RAKE = 38
  • DIP = 70
  • LAT_TOP_CENTER = 33.9119
  • LON_TOP_CENTER = -117.940
  • HYPO_ALONG_STK = 0.0
  • HYPO_DOWN_DIP = 1.125
  • DLEN = 0.1
  • DWID = 0.1

Volume

The four corners are:

  • -119.288842 34.120549
  • -118.354016 35.061096
  • -116.846030 34.025873
  • -117.780976 33.096503

And the box has size

  • 180,000 m x 135,000 m x 61,875 m

Solver Parameters

Parameter Value Notes
Frequency 1.0 Hz
Simulation Length 100 s
Delta T 0.005
Plane Output Resolution 250m
I/O Print Rate every 10 steps
Station List LH_stations.txt Merged from En-Jui's 0.2Hz station list and Ricardo's CH master list
Software Version Hercules-GPU commit c95f1ab017e5f93613a0e3e2c6b5a849eb4117ad GPU codes, no frequency dependent Q

Exercise Planning Documents

  • pptx
  • word doc

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