Document: NUREG-0800
Document ID: 9b02921b-1202-40d4-b81d-3118756e36fb
Document Type: srp
Title: million years) and (2) the pattern and level of seismicity observed both in the
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML1230/ML12301A010.pdf
Revision Date: 2023-06
Chapter: 2
Section ID: 2.6
CFR Part: 
CFR Title: 

Content:
instrumental and pre-instrumental time periods. Those characteristics of geologic structure, tectonic history, present and past stress regimes, and seismicity that distinguish the various seismic sources and the particular areas within those sources where historical earthquakes have occurred should be described. Alternative regional tectonic models derived from available literature should be discussed. The model that best conforms to the observed data is acceptable. In addition, in those areas where there are capable tectonic sources, the results of the additional investigative requirements described in SRP Section 2.5.1 must be presented. The discussion should be augmented by a regional-scale map showing the seismic sources, earthquake epicenters, locations of geologic structures, and other features that characterize the seismic sources. 3.