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. 2022 Jul 22;12:12537. doi: 10.1038/s41598-022-16693-3

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© The Author(s) 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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(a) Map of formation pore pressure (MPa) in the region studied. The gray and pink circles show the monitored induced earthquakes and 12-month gas production. (b) Map of distance (m) to Precambrian basement in the region studied. The gray and pink circles show the monitored induced earthquakes and 12-month gas production. (c) Map of pre-existing faults found in the Duvernay formation via the ant tracking approach. The blue circles show the monitored induced earthquakes. The brown polygon marks the optimal fracturing site, where there is a low risk of inducing seismicity.