Multiple induced seismicity mechanisms at Castor underground gas storage illustrate the need for thorough monitoring
A recent publication by Cesca et al.1 reanalyzes and expands seismic data to identify hypocenters of observed seismicity induced by the Castor Underground Gas Storage (UGS) operations. Their results confirm those of previous studies2,3 that earthquakes occurred below the storage formation on a fault dipping opposite from the Amposta fault, which bounds the reservoir. However, two important sets of disagreements require revising the conclusions by Cesca et al.1: the depth of hypocenters and the processes leading to seismicity. Inaccurate estimates of hypocenters location and partial consideration of the physical mechanisms that induce seismicity may imply endangering future deep underground projects.
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Main Authors: | Vilarrasa, Víctor, De Simone, Silvia, Carrera, Jesús, Villaseñor, Antonio |
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Other Authors: | European Commission |
Format: | artículo biblioteca |
Language: | English |
Published: |
Nature Publishing Group
2022-06-17
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Subjects: | Induced Seismicity, Gas storage, Castor underground gas storage, |
Online Access: | http://hdl.handle.net/10261/274760 http://dx.doi.org/10.13039/501100000780 |
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