Seismicity at the Castor gas reservoir driven by pore pressure diffusion and asperities loading

The 2013 Castor seismic sequence, offshore Spain, is a rare example of seismicity induced by gas storage operations. Here we show that early seismicity marked the progressive failure of a fault in response to pore pressure diffusion, while later larger earthquakes resulted by the failure of loaded a...

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Bibliographic Details
Main Authors: Simone Cesca, Daniel Stich, Francesco Grigoli, Alessandro Vuan, José Ángel López-Comino, Peter Niemz, Estefanía Blanch, Torsten Dahm, William L. Ellsworth
Format: article
Language:EN
Published: Nature Portfolio 2021
Subjects:
Q
Online Access:https://doaj.org/article/6410c8ea831f4b0b8e5b9add84b63949
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Summary:The 2013 Castor seismic sequence, offshore Spain, is a rare example of seismicity induced by gas storage operations. Here we show that early seismicity marked the progressive failure of a fault in response to pore pressure diffusion, while later larger earthquakes resulted by the failure of loaded asperities.