Document: NRC Regulatory Guide
Document ID: cfc61809-5745-460f-8a26-13c168659924
Document Type: regulatory_guide
Title: Identification and Characterization of Seismic Sources and Determination of Safe Shutdown Earthquake Ground Motion
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML0037/ML003740084.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.165
CFR Part: 
CFR Title: 

Content:
0 > 300 Figure C.3 Full Distribution for Average of 5 and 10 Hz K 1.165--26 0 0 "I '5 0. 35 .0 •)25 .0 - 15 •. O ••66.5->7 Magnitude bins 5-5.5 0-15 15-25 " •"--• .• 25-50 50-100 100-200 200-300 Distance bins > 300 Figure C.4 Full Distribution for Average of 1 and 2.5 Hz 1.165-27 I I />300 200-300 Distance bins Man5 d b6-6.5 Magnitude bins 6.5-7 ">7 Figure C.5 Renormalized Hazard Distribution for Distances >100 km for Average of I and 2.5 Hz 1.165-28 K 0. REFERENCES C.1 P. Sobel, "Revised Livermore Seismic Hazard Estimates for Sixty-Nine Nuclear Power Plant Sites East of the Rocky Mountains, NUREG-1488, USNRC, April 1994.1 lCopies are available for inspection or copying for a fee from the NRC Public Document Room at 2120 LStreet NW., Washington, DC; the PDR's mailing address is Mail Stop LL-6, Washington, DC 20555; telephone (202)634-3273; fax (202)634-3343. Copies may be purchased at current rates from the U.S. Government Printing Office, P.O. Box 37082, Washington, DC 20402-9328 (telephone (202)512-2249); or from the National Technical Information Service by writing NTIS at 5285 Port Royal Road, Springfield, VA 22161. C.2 J.B. Savy et al., "Eastern Seismic Hazard Charac terization Update," UCRL-ID-115111, Law rence Livermore National Laboratory, June 1993 (Accession number 9310190318 in NRC's Pub lic Document Room).2 2Copies are available for inspection or copying for a fee from the NRC Public Document Room at 2120 LStreet NW., Washington, DC; thePDR's mailing address is Mail Stop LL-6, Washington, DC 20555; telephone (202)634-3273; fax (202)634-3343. 1.165-29 APPENDIX D GEOLOGICAL, SEISMOLOGICAL, AND GEOPHYSICAL INVESTIGATIONS TO CHARACTERIZE SEISMIC SOURCES D.W INTRODUCTION As characterized for use in probabilistic seismic hazard analyses (PSHA), seismic sources are zones within which future earthquakes are likely to occur at the same recurrence rates. Geological, seismological, and geophysical investigations provide the information needed to