California CVM Meeting - 3 April 2012

Fig 2:Map of faults in Unified California Earthquake Rupture 2.0 (2007). (Image Credit: Kevin Milner (USC))

Fig 1:Preliminary results (Sept 2011) showing differences in Vs as a results of scattering integral inversions using both observed seismic events and ambient noise processing. Starting CVM's are USGS Central California and CVM-S southern California models (Image Credit: Po Chen (Univ. of Wyoming))

Agenda & Presentations

Introduction and Meeting Goals

• 09:00 Welcome, Goals, and Objectives (T. Jordan)
• 09:15 SCEC CVM Scientific Requirements (B. Aagaard)
• 09:30 SCEC CVM Software Requirements (P. Maechling)
• 09:45 Discussion

Existing California CVMs

• 10:00 CVM-H (A. Plesch)
• 10:15 CVM-S (H. Magistrale)
• 10:30 Bay Area Model (B. Aagaard)
• 10:45 Lin-Thurber (Y. Lin)
• 11:00 Discussion
• 11:15 Break

Potential New Broadband Modules 11:15 Irikura Module P. Somerville 11:30 Stochastic High Frequencies G. Atkinson 11:45 Composite Source Module J. Anderson 12:00 Discussion 12:30 Lunch

Current Broadband Research Simulations

13:30 NGA West 2 A. Kottke 13:45 NGA East Planning J. Bayless 14:00 Discussion 14:15 Break Broadband Platform Modification Priorities 14:30 Current Broadband "batch" capabilities P. Maechling 14:45 Faster processing (Parallel Broadband) M. Rynge 15:00 Discussion Design of Broadband Validation 15:15 SCEC GMSV TAG Planning N. Luco Discussion and Next Steps 13:45 Meeting Action Items T. Jordan / P. Maechling

California CVM Meeting Goals

1. Define features in a California CVM
2. Review capabilities and features of existing California CVMs
3. Develop methods for integrating inversion-based improvements into CVMs
4. Description of UCVM Capabilities
5. Plan candidate UCVM-CyberShake Model
6. Plan SCEC4 UCVM Model

Draft Meeting Agenda

1. Scientific Goals for SCEC CVM
2. California CVM Requirements
   1. Geographical coverage to support UCERF3.0 Ruptures
   2. Geotechnical layer
   3. Elevation model
   4. Bathmetry model
   5. Hydrology model
3. Features of Existing California CVMs
   1. CVM-S
   2. CVM-H
   3. Lin-Thurber
   4. USGS CenCal VM
4. Building California CVMs using UCVM
5. Re-integration of Inversions into CVMs
   1. Po South Cal Inversion
   2. Carl Cal Inversion
6. Candidate CyberShake Models
   1. Merged and smoothed models
   2. California Inversion-based model
7. Candidate 5 Year Development
   1. CVM-H development plans

Related Entries

1. CVM-H
2. CVM-S
3. UCVM
4. Community Velocity Model