Exploring studies from the Senior Seismic Hazard Analysis Committee

The Senior Seismic Hazard Analysis Committee conducts a variety of seismic studies on the area surrounding the Diablo Canyon Power Plant. Discover some of the findings.

Characterizing seismic sources

To learn about seismic source characterization by the Senior Seismic Hazard Analysis Committee, you can explore the committee’s:

  • Project plans
  • Documents and data
  • Workshops
  • Main reports
  • Appendices

 

Download Project Plan for Development of the Diablo Canyon Seismic Source Model Using SSHAC Level 3 Methodology (PDF, 1.58 MB).

 

Read more of the Senior Seismic Hazard Analysis Committee documents and data.

 

View details of past Senior Seismic Hazard Analysis Committee workshops for this project.

 

Read Seismic Source Characterization for the Diablo Canyon Power Plant, San Luis Obispo County, California (ZIP, 188 MB).

 

View DCPP_SSC_Report_Appendices_Rev_A (ZIP, 36.4 MB).

 

Characterizing ground motion for the Southwestern U.S. (SWUS)

PG&E and the Arizona Public Service sponsor the Southwestern U.S. Ground Motion Characterization project. Details from this program include:

  • The project plan
  • Workshops
  • Practical implementation guidelines, including NUREG-2117 and NUREG-6372
  • The main report
  • Appendices


Download SOUTHWESTERN UNITED STATES GROUND MOTION CHARACTERIZATION SSHAC LEVEL 3 – Project Plan (PDF, 1.79 MB).

 

View details of past Senior Seismic Hazard Analysis Committee workshops for this project.

 

Visit Practical Implementation Guidelines for SSHAC Level 3 and 4 Hazard Studies (NUREG-2117, Revision 1).

 

Visit Recommendations for Probabilistic Seismic Hazard Analysis: Guidance on Uncertainty and Use of Experts (NUREG/CR-6372).


Read SOUTHWESTERN UNITED STATES GROUND MOTION CHARACTERIZATION SSHAC LEVEL 3 – Technical Report (ZIP, 40.2 MB).

 

Download SWUS_GMC_TR_Appendices (ZIP, 164 MB).

Understanding the 3-D velocity model and site response for the DCPP

View the reports and data for the updated study from May 2015. The sources include:

  • The main report
  • Appendices
  • A peer review report

 

Read the main response from the May 2015 report. Download UPDATE OF THE THREE-DIMENSIONAL VELOCITY MODEL FOR THE DIABLO CANYON POWER PLANT (DCPP) FOUNDATION AREA (ZIP, 20.3 MB).

 

View the appendices from the May 2015 report. Download Updated_3D_Vs_DCPP_Appendices_Rev0 (ZIP, 388 MB).

 

View the peer review. Download Update of the three-dimensional velocity model for the Diablo Canyon Power Plant (DCPP) foundation Area, by Fugro Consultants Inc, May 2015 (PDF, 139 KB).


View the reports and data for the updated study from November 2015. The sources include:

  • The main report
  • Appendices
  • An analytical site response report

 

Read the main report. Download Updated_3D_Vs_DCPP_Report_Rev1 (ZIP, 80.9 MB).

 

View the appendices of this report. Download Updated_3D_Vs_DCPP_Appendices_Rev1 (ZIP, 164 MB).

 

View the analytical site response report. Download DEVELOPMENT OF AMPLIFICATION FACTORS FOR THE DIABLO CANYON NUCLEAR POWER PLANT: SITE WIDE PROFILES (PDF,  2.62 MB).


View the seismic hazard re-evaluation report

Read the report known as Diablo Canyon Power Plant Screening, Prioritization and Implementation Details (SPID), or the Seismic Hazard Re-evaluation report. The entire report is available for download.

 

Download Seismic Hazard Re-evaluation Report (ZIP, 51.2 MB).

Contact us

Contact us if you have questions about the Senior Seismic Hazard Analysis Committee studies. Email Megan Stanton: M2Sr@PGE.com.