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Editors’ Highlights are summaries of recent papers by AGU’s journal editors.
Source: Journal of Geophysical Research: Solid Earth
Induced seismicity, whether from oil and gas, mining, or geothermal energy extraction, has become a major societal concern over the past decades. Obermann et al. [2024] are among the first to report on a unique induced seismicity experiment that was performed in the Bedretto Underground Laboratory in Switzerland.
The experiment provides fantastic insights on the behavior of the deep underground geothermal systems, thanks to various stimulation experiments within a densely monitored hectometer rock volume. The data show the activation of faults with linear dimensions approaching and passing 100 meters, which gives us a clear impression of the complex response of a hectometer fractured reservoir to hydraulic stimulation.
This high-resolution dataset will allow scientists to better understand why seismic events from fluid injection can exhibit different behaviors and distributions at different depths. This experiment can help us further assess the type of seismic events to expect on natural fracture systems.
Citation: Obermann, A., Rosskopf, M., Durand, V., Plenkers, K., Bröker, K., Rinaldi, A. P., et al. (2024). Seismic response of hectometer-scale fracture systems to hydraulic stimulation in the Bedretto Underground Laboratory, Switzerland. Journal of Geophysical Research: Solid Earth, 129, e2024JB029836. https://doi.org/10.1029/2024JB029836
—Xiaowei Chen, Associate Editor, JGR: Solid Earth
Text © 2024. The authors. CC BY-NC-ND 3.0
Except where otherwise noted, images are subject to copyright. Any reuse without express permission from the copyright owner is prohibited.
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