Articles | Volume 26, issue 4
Nonlin. Processes Geophys., 26, 371–380, 2019
https://doi.org/10.5194/npg-26-371-2019
Nonlin. Processes Geophys., 26, 371–380, 2019
https://doi.org/10.5194/npg-26-371-2019

Research article 23 Oct 2019

Research article | 23 Oct 2019

Negentropy anomaly analysis of the borehole strain associated with the Ms 8.0 Wenchuan earthquake

Kaiguang Zhu et al.

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Latest update: 23 Jul 2021
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Short summary
Negentropy anomalies of borehole strain associated with the Wenchuan earthquake are analysed. The cumulative anomalies are studied on both large and small scales. Through a comparison discussion, we compare the cumulative anomalies of different time periods and stations with those at the Guza station during the study period and preliminarily exclude meteorological factors. We suspect negentropy anomalies at the Guza station to have recorded abnormal changes related to the Wenchuan earthquake.