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2019 Community Rheology Model Workshop: Testing and Refining the Preliminary CRM

Conveners: Elizabeth Hearn, Michael Oskin, Greg Hirth, Whitney Behr, Wayne Thatcher, and Laurent Montesi
Dates: May 5, 2019
Location: Hilton Palm Springs Resort
SCEC Award and Report: 19195

SUMMARY: The SCEC Community Rheology Model (CRM) TAG is developmenting a CRM, which will provide the constitutive properties essential for understanding time-varying tectonic stress accumulation and earthquake stress release in southern California. The CRM comprises a Community Thermal Model (CTM), a Geologic Framework (GF), and a suite of ductile flow laws for GF rock types and shear zones. During this workshop, a preliminary CRM will be presented to a small group of deformation modelers. Together, we will discuss where the CRM goes from here, that is, prioritized additions and refinements, format, versioning and other considerations. Our goal is to develop a CRM that appeals to the widest possible community of future users while measurably advancing SCEC science.

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 They may contain unpublished or preliminary information and should only be used while viewing the talk.

SUNDAY, MAY 5, 2019

08:30 - 09:00 Workshop Check-In  
  Session 1: Introduction and the Preliminary CRM  
09:00 - 09:30 Introduction and overview Elizabeth Hearn
9:30 - 10:15

CTM: Summary and pre-SCEC Deliverables


Elizabeth HearnWayne Thatcher
10:15 - 11:00 Geological Framework: Summary and pre-SCEC Deliverables Michael Oskin
11:00 - 12:00

Provisional Rheologies: Summary and pre-SCEC deliverables

Host Rock

Shear Zones

Greg Hirth, Laurent Montesi
12:00 - 1:00 Lunch  
  Session 2: Using, Testing and Improving the CRM  
1:00 - 1:45

Regional and postseismic viscoelastic deformation model applications

Invited Talk (title TBD)

Group Discussion  

Sylvain Barbot
1:45 - 2:30

Seismic Cycle/ fault physics applications

Invited Talk (title TBD)

Group Discussion

Eric Dunham
2:30 - 3:00 Break  
3:00 - 4:30

Focused Discussions

Which rheologies do we use and which do we want for the CRM?

Format for the CRM, e.g. grid vs. tools, versions and access

Which other SCEC community models do you use? Why or why not? What can we learn from your use (or not) of other CXM’s?

4:30 - 5:00 Participant presentations as time allows and wrap-up