Fig. 4 | Scientific Reports

Fig. 4

From: Investigating the universal character of k–M slope in earthquake catalogs from the Visibility Graph method

Fig. 4

Analysis of the volcanic eruption sequence (VE). (a) Magnitude-time distribution of the seismicity; the blue line represents the cumulative number of earthquakes. (b) Frequency-magnitude distribution; grey dots refer to the cumulative distribution; \(M_c\) and b values are also reported. (c) Temporal distribution of the connectivity degree of the visibility graph analysis (k) relative to the complete catalog. (d) Scatter distribution of connectivity degree (k) versus earthquake magnitude (M), along with the linear regressions (black line); the value of the k–M slope is also reported.

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