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Forecasting the Preparatory Phase of Induced Earthquakes by Recurrent Neural Network

Department of Physics, University of Naples Federico II, Complesso Universitatio Monte S. Angelo, via Cinthia, 80126 Naples, Italy
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Received: 29 November 2020 / Revised: 30 December 2020 / Accepted: 31 December 2020 / Published: 4 January 2021
Earthquakes prediction is considered the holy grail of seismology. After almost a century of efforts without convincing results, the recent raise of machine learning (ML) methods in conjunction with the deployment of dense seismic networks has boosted new hope in this field. Even if large earthquakes still occur unanticipated, recent laboratory, field, and theoretical studies support the existence of a preparatory phase preceding earthquakes, where small and stable ruptures progressively develop into an unstable and confined zone around the future hypocenter. The problem of recognizing the preparatory phase of earthquakes is of critical importance for mitigating seismic risk for both natural and induced events. Here, we focus on the induced seismicity at The Geysers geothermal field in California. We address the preparatory phase of M~4 earthquakes identification problem by developing a ML approach based on features computed from catalogues, which are used to train a recurrent neural network (RNN). We show that RNN successfully reveal the preparation of M~4 earthquakes. These results confirm the potential of monitoring induced microseismicity and should encourage new research also in predictability of natural earthquakes. View Full-Text
Keywords: preparatory phase; earthquake forecasting; induced seismicity preparatory phase; earthquake forecasting; induced seismicity
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MDPI and ACS Style

Picozzi, M.; Iaccarino, A.G. Forecasting the Preparatory Phase of Induced Earthquakes by Recurrent Neural Network. Forecasting 2021, 3, 17-36. https://0-doi-org.brum.beds.ac.uk/10.3390/forecast3010002

AMA Style

Picozzi M, Iaccarino AG. Forecasting the Preparatory Phase of Induced Earthquakes by Recurrent Neural Network. Forecasting. 2021; 3(1):17-36. https://0-doi-org.brum.beds.ac.uk/10.3390/forecast3010002

Chicago/Turabian Style

Picozzi, Matteo, and Antonio G. Iaccarino 2021. "Forecasting the Preparatory Phase of Induced Earthquakes by Recurrent Neural Network" Forecasting 3, no. 1: 17-36. https://0-doi-org.brum.beds.ac.uk/10.3390/forecast3010002

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