On January 14, 2026, EERI’s San Diego Chapter hosted a webinar on, “Site Characterization Using VS30 Per the ASCE 7-22.” The webinar provided guidance and clarification on how to make site characterization consistent with the new ASCE 7-22 standard that is effective starting January 1, 2026. The webinar included presentations from Jonathan Stewart, UCLA, on "Definition, measurement, and application of VS30 in the NEHRP Provisions and from Brady Cox, Utah State University on “Best Practices for Shear Wave Velocity Measurements to Support Vs30 Site Classification or Site-Specific Site Response Analyses Consistent with ASCE 7-22." The webinar recording is available on EERI’s YouTube Channel.
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