An integrated shear-wave velocity model for the Groningen gas field, The Netherlands

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Title: An integrated shear-wave velocity model for the Groningen gas field, The Netherlands
Authors: Kruiver, PP
Van Dedem, E
Romijn, R
De Lange, G
Korff, M
Stafleu, J
Gunnink, JL
Rodriguez-Marek, A
Bommer, JJ
Van Elk, J
Doornhof, D
Item Type: Journal Article
Abstract: A regional shear - wave velocity (V S ) model has been developed for the Groningen gas field in the Netherlands as the basis for seismic microzonation of an area of more than 1,000 km 2 . The V S model, extending to a depth of almost 1 km, is an essential input to the modelling of hazard and risk due to induced earthquakes in the region. The detailed V S profiles are constructed from a novel combination of three data sets covering different, partially overlapping depth ranges. The uppermost 50 m of the V S profiles are obtained from a high - resolutio n geological model with representative V S values assigned to the sediments. Field measurements of V S were used to derive representative V S values for the different types of sediments. The profiles from 50 to 120 m are obtained from inversion of surface wav es recorded (as noise) during deep seismic reflection profiling of the gas reservoir. The deepest part of the profiles is obtained from sonic logging and V P - V S relationships based on measurements in deep boreholes. Criteria were established for the splicing of the three portions to generate continuous models over the entire depth range for use in site response calculations, for which an elastic half - space is ass umed to exist below a clear stratigraphic boundary and impedance contrast encountered at about 800 m depth. In order to facilitate fully probabilistic site response analyses, a scheme for the randomisation of the VS profiles is implemented.
Issue Date: 20-Feb-2017
Date of Acceptance: 8-Feb-2017
ISSN: 1573-1456
Publisher: Springer Verlag (Germany)
Journal / Book Title: Bulletin of Earthquake Engineering
Volume: 15
Issue: 9
Copyright Statement: © The Author(s) 2017 This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (, which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Keywords: Strategic, Defence & Security Studies
0403 Geology
0905 Civil Engineering
Publication Status: Published
Appears in Collections:Faculty of Engineering
Civil and Environmental Engineering

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