Document: NUREG-0800
Document ID: 5c02813e-e87d-4000-920c-ae8be6330b74
Document Type: srp
Title: Correlation of Earthquake Activity with Geologic Structure
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0523/ML052340591.pdf
Revision Date: 2023-06
Chapter: 2
Section ID: 2.5.2.3
CFR Part: 
CFR Title: 

Content:
or Tectonic Provinces. In meeting the requirements of Reference 1, accept- ance of this subsection is based on the development of the relationship between the history of earthquake activity and the geologic structures or tectonic provinces of a region. The applicant's presentation is accepted when the earthquakes discussed in Subsection 2.5.2.1 of the SAR are shown to be associated with either geologic structure or tectonic province. Whenever an earthquake hypocenter or concentration of earthquake hypocenters can be reasonably correlated with geologic structures, the rationale for the associa- tion should be developed considering the characteristics of the geologic structure (including geologic and geophysical data, seismicity, and the tectonic history) and the regional tectonic model. The discussion should include identification of the methods used to locate the earthquake hypo- centers, an estimate of their accuracy, and a detailed account that compares and contrasts the geologic structure involved in the earthquake activity with other areas within the tectonic province. Particular attention should be given to determining the capability of faults with which instrumentally located earthquake hypocenters are associated. The presentation should be augmented by regional maps, all of the same scale, showing the tectonic provinces, the earthquake epicenters, and the locations of geologic structures and measurements used to define provinces. Acceptance of the proposed tectonic provinces is based on the staff's independent review of the geologic and seismic information.