Diablo Canyon Power Plant's Seismic Hazards

Characterizing Seismic Sources

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

• Project Plans: Download Project Plan for Development of the Diablo Canyon Seismic Source Model Using SSHAC Level 3 Methodology (PDF, 1.58 MB)
• Documents and data:  Senior Seismic Hazard Analysis Committee documents and data
• Workshops: Senior Seismic Hazard Analysis Committee workshops for this project
• Main Reports: Read Seismic Source Characterization for the Diablo Canyon Power Plant, San Luis Obispo County, California (ZIP, 188 MB)
• Appendices: 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:

• Project plan: Download SOUTHWESTERN UNITED STATES GROUND MOTION CHARACTERIZATION SSHAC LEVEL 3 – Project Plan (PDF, 1.79 MB)
• Workshops: Senior Seismic Hazard Analysis Committee workshops for this project
• Practical Implementation Guidelines, including NUREG-2117 and NUREG-6372:
  • 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)
• The Main Report: Read SOUTHWESTERN UNITED STATES GROUND MOTION CHARACTERIZATION SSHAC LEVEL 3 – Technical Report (ZIP, 40.2 MB)
• Appendices: 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:

• Main Report:UPDATE OF THE THREE-DIMENSIONAL VELOCITY MODEL FOR THE DIABLO CANYON POWER PLANT (DCPP) FOUNDATION AREA (ZIP, 20.3 MB)
• Appendices: Updated_3D_Vs_DCPP_Appendices_Rev0 (ZIP, 388 MB)
• Peer Review Report: 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:

• Main Report: Updated_3D_Vs_DCPP_Report_Rev1 (ZIP, 80.9 MB)
• Appendices: Updated_3D_Vs_DCPP_Appendices_Rev1 (ZIP, 164 MB)
• Analytical Site Response Report: DEVELOPMENT OF AMPLIFICATION FACTORS FOR THE DIABLO CANYON NUCLEAR POWER PLANT: SITE WIDE PROFILES (PDF,  2.62 MB)

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.