Ground Shaking

The Ground Shaking Working Group continues to develop the Wasatch Front Community Velocity Model (CVM) for use by the U.S. Geological Survey, UGS, and their partners in order to develop large-scale earthquake hazard maps for the Wasatch Front that incorporate site and basin-shape effects.

A team from San Diego State University (SDSU) recently updated the prior model with newly available data that included both shallow-shear-wave velocity (Vs30) and deep-basin-structure effects on ground motion. The UGS has received the CVM from the SDSU team, and is distributing it on our Web site.

Current efforts involve validating the CVM, expanding the CVM to include Tooele and Rush Valleys and the Wasatch back valleys, updating the CVM with intermediate-depth data, and continuing to work toward producing Wasatch Front Urban Seismic Hazard Maps.

Meeting Summaries Meeting Agendas Meeting Presentations
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Data

Community Velocity Model (CVM) and Other Geophysical Data

Contacts

Working Group Facilitator – Ivan Wong, Lettis Consultants International, Inc.; (925) 482-0360, ext. 231; wong@lettisci.com

UGS Liaison – Greg McDonald [(801) 537-3383], gregmcdonald@utah.gov