The Swedish Radiation Safety Authority (SSM) reviews the Swedish Nuclear Fuel Company’s (SKB) applications under the Act on Nuclear Activities (SFS 1984:3) for the construction and operation of a repository for spent nuclear fuel and for an encapsulation facility. As part of the review, SSM commissions consultants to carry out work in order to obtain information on specific issues. The results from the consultants’ tasks are reported in SSM’s Technical Note series.
This assignment is part of the review regarding the long-term evolution of the rock surrounding the repository. This assignment focuses on the handling by SKB on the impact of earthquakes on repository structures. Issues that concern mechanisms for occurrence of earthquakes including determination of input parameters and earthquake frequency are considered. The assignment includes the assessment of the robustness of the analyses performed