Figures of the Article
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Distribution of b-value (a) and their standard deviation δb (b) for Changning region
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Topography of Changning region of Sichuan and distribution of M≥5.0 earthquakes since 2018
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Diagrams of M-t (a) and N-t (b) (M≥2.0)(The data are available by June 30,2022)
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Location of the seismic array used in this study and distribution of epicenters between 28 April 2021 and 30 June 2022 recorded by the seismic array
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Diagrams of M-t (a),N-t (b) and cumulative frequency curve (c) of ML≥0.0 earthquakes
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The three-component waveforms of one event with ML1.0 occurred at 04:42:22.345 on July 9,2021
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Magnitude-frequency curves for Changning area and its two sub-areas
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Earthquake clusters and their b values in Changning region
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Three surveying lines along the major axis of the Changning anticline and east-west direction (a),and the vertical b-value profiles along the three surveying lines (b)
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Variation of b value over time in different regions (The numbers present the same earthquakes as in Fig.8)