Characterisation of ground motion recording stations in the Groningen gas field

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Title: Characterisation of ground motion recording stations in the Groningen gas field
Authors: Noorlandt, R
Kruiver, PP
De Kleine, MPE
Karaoulis, M
De Lange, G
Di Matteo, A
Von Ketelhodt, J
Ruigrok, E
Edwards, B
Rodriguez-Marek, A
Bommer, JJ
Van Elk, J
Doornhof, D
Item Type: Journal Article
Abstract: The seismic hazard and risk analysis for the onshore Groningen gas field requires information about local soil properties, in particular shear-wave velocity (V S ). A fieldwork campaign was conducted at 18 surface accelerograph stations of the monitoring network. The subsurface in the region consists of unconsolidated sediments and is heterogeneous in composition and properties. A range of different methods was applied to acquire in situ V S values to a target depth of at least 30 m. The techniques include seismic cone penetration tests (SCPT) with varying source offsets, multichannel analysis of surface waves (MASW) on Rayleigh waves with different processing approaches, microtremor array, cross-hole tomography and suspension P-S logging. The offset SCPT, cross-hole tomography and common midpoint cross-correlation (CMPcc) processing of MASW data all revealed lateral variations on length scales of several to tens of metres in this geological setting. SCPTs resulted in very detailed V S profiles with depth, but represent point measurements in a heterogeneous environment. The MASW results represent V S information on a larger spatial scale and smooth some of the heterogeneity encountered at the sites. The combination of MASW and SCPT proved to be a powerful and cost-effective approach in determining representative V S profiles at the accelerograph station sites. The measured V S profiles correspond well with the modelled profiles and they significantly enhance the ground motion model derivation. The similarity between the theoretical transfer function from the V S profile and the observed amplification from vertical array stations is also excellent.
Issue Date: 1-May-2018
Date of Acceptance: 14-Dec-2017
ISSN: 1383-4649
Publisher: Springer
Start Page: 605
End Page: 623
Journal / Book Title: Journal of Seismology
Volume: 22
Issue: 3
Copyright Statement: © The Author(s) 2018. 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: Cross-hole tomography
Field measurements
Lateral heterogeneity
Seismic cone penetration test
Shallow geology
Shear-wave velocity
0404 Geophysics
Geochemistry & Geophysics
Publication Status: Published
Online Publication Date: 2018-01-03
Appears in Collections:Faculty of Engineering
Civil and Environmental Engineering

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