Stress Map of Great Britain and Ireland 2022

Kingdon, Andrew ORCID:; Williams, John ORCID:; Fellgett, Mark ORCID:; Rettelbach, Naomi; Heidbach, Oliver ORCID: 2022 Stress Map of Great Britain and Ireland 2022. World Stress Map. Potsdam, Germany, GFZ Potsdam.

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Stress maps show the orientation of the current maximum horizontal stress (SHmax) in the earth's crust. Assuming that the vertical stress (SV) is a principal stress, SHmax defines the orientation of the 3D stress tensor; the minimum horizontal stress Shmin is than perpendicular to SHmax. In stress maps SHmax orientations are represented as lines of different lengths. The length of the line is a measure of the quality of data and the symbol shows the stress indicator and the color the stress regime. The stress data are freely available and part of the World Stress Map (WSM) project. For more information about the data and criteria of data analysis and quality mapping are plotted along the WSM website at The stress map of Great Britain and Ireland 2022 is based on the WSM database release 2016. All data records have been checked and we added a number of new data from earthquake focal mechanisms from the national earthquake catalog and borehole data. The number of data records has increased from n=377 in the WSM 2016 to n=474 in this map. Some locations and assigned quality of WSM 2016 data were corrected due to new information. The digital version of the map is a layered pdf generated with GMT (Wessel et al., 2019) using the topography of Tozer et al. (2019). We also provide on a regular 0.1° grid values of the mean SHmax orientation which have a standard deviation < 25°. The mean SHmax orientation is estimated using the tool stress2grid of Ziegler and Heidbach (2019). For this estimation we used only data records with A-C quality and applied weights according to data quality and distance to the grid points. The stress map is available at the landing page of the GFZ Data Services at where further information is provided.

Item Type: Publication - Map
Digital Object Identifier (DOI):
Scale: 1:1000000
Geographical Extent: UK and Ireland
Additional Keywords: in-situ stress orientation;
NORA Subject Terms: Earth Sciences
Data and Information
Related URLs:
Date made live: 16 Mar 2022 15:51 +0 (UTC)

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