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Keywords = eearthquake prediction

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11 pages, 3299 KB  
Article
Feasibility Study on Earthquake Prediction Based on Impending Geomagnetic Anomalies
by Ying Huang, Peimin Zhu and Shaodong Li
Appl. Sci. 2024, 14(1), 263; https://doi.org/10.3390/app14010263 - 28 Dec 2023
Cited by 8 | Viewed by 3701
Abstract
By deploying a magnetic monitoring network in the earthquake-prone areas of Sichuan, China, and conducting long-term observations, processing, and analysis of real-time geomagnetic data, it can be observed that the pre-earthquake geomagnetic anomalies are highly correlated with the occurrence time of earthquakes. We [...] Read more.
By deploying a magnetic monitoring network in the earthquake-prone areas of Sichuan, China, and conducting long-term observations, processing, and analysis of real-time geomagnetic data, it can be observed that the pre-earthquake geomagnetic anomalies are highly correlated with the occurrence time of earthquakes. We propose a novel algorithm that obtains a new quantity by accumulating geomagnetic anomaly energy to eliminate external environmental interference and take its gradient as a measure for predicting the occurrence time of an earthquake. Through observations of a large amount of geomagnetic data, it is confirmed that the proposed method can be used to predict the occurrence time of earthquakes with about 75% to 85% accuracy. Conclusions: The geomagnetic anomaly phenomenon can be accurately observed and recorded before an impending earthquake, and it has been confirmed by data that using this observation makes imminent earthquake prediction a practical prediction method. Full article
(This article belongs to the Special Issue New Challenges in Seismic Hazard Assessment)
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