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SCEC Community Workshop: Community Stress Model

Conveners: Jeanne Hardebeck, Brad Aagaard, Thorsten Becker, David Sandwell, Bruce Shaw, and John Shaw
Date: October 27, 2014
Location: Kellogg West Conference Center, Pomona, CA (Hillside East Rooms 1 and 2)
SCEC Award and Report: 14024

OVERVIEW: The fourth annual workshop of the SCEC Community Stress Model (CSM) project focused on (1) incorporating the stress predicted by physics-based models into the CSM, and (2) new sources of data to inform and validate CSM models. The workshop format included formal presentations on recent progress in physics-based modeling and data compilation, and focused discussion on the future direction of the CSM.

PARTICIPANTS (23 total, 3 remote): Brad Aagaard (USGS), Thorsten Becker (USC), Peter Bird (UCLA), Michele Cooke (UMass Amherst), Thomas Goebel (Caltech), Jeanne Hardebeck (USGS), Egill Hauksson (Caltech), Liz Hearn (Consulting Geophysicist), Tran Huynh (USC), Nadia Lapusta (Caltech), Eric Lindsey (UCSD), Karen Luttrell (LSU), Patricia Persaud (Caltech), Fred Pollitz (USGS), Margarita Segou (GeoAzur/CNRS), Bruce Shaw (Columbia), Peter Shearer (UCSD), Debbie Smith (USGS), Bridget Smith-Konter (Hawaii), Joann Stock (Caltech), Wayne Thatcher (USGS), Wenzheng Yang (AIR Worldwide), and Jiyang Ye (Missouri)

Presentation slides may be downloaded by clicking the pdf links following the title. PLEASE NOTE: Slides are the author’s property. They may contain unpublished or preliminary information and should only be used while viewing the talk.

MONDAY, October 27, 2014

07:00-08:30 Breakfast  
09:00-09:15 Introductions  
09:15-09:30 Current status of the CSM Jeanne Hardebeck
09:30-09:45 SCEC Community Geodetic Model workshop report Jeanne Hardebeck for CGM Group
09:45-10:00 SCEC/CIG Crustal Deformation Modeling workshop report Brad Aagaard
  CSM Modeling Updates, part 1  
10:15-10:45 Stress equilibrium in southern California from Maxwell stress function models Peter Bird
10:45-11:00 Break  
11:00-11:30 A physics-based lithosphere deformation model for the SCEC CSM: Progress and challenges Liz Hearn
11:30-12:00 4-D earthquake cycle modeling of the San Andreas Fault System: Stress rates, historical stress accumulation, and uncertainties Bridget Smith-Konter
12:00-13:00 Lunch  
13:00-13:30 Earthquake cycle influence on the plate boundary stress budget, as constrained by seismology, geodesy, and topography Karen Luttrell
  CSM Modeling Updates, part 2  
13:30-14:00 Influence of fault geometry on deformation partitioning within southern California Michele Cooke
14:00-14:30 Discussion: Modeling needs (2015 proposals, goals for SCEC5)  
14:30-14:45 Break  
  CSM Data Compilation Updates  
14:45-15:15 Earthquake stress drop estimates: what are they telling us? Peter Shearer
15:15-15:45 Calibration of Stress Field Models Using Borehole Data Joann Stock
15:45-16:15 Anisotropy Observations and Implications for Stress Thorsten Becker
16:15-16:45 Discussion: Data needs (2015 proposals, goals for SCEC5)  
16:45-17:00 Wrap-up  
17:30-19:00 Dinner