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Fig. 9 | Earth, Planets and Space

Fig. 9

From: Detection of low-frequency earthquakes by the matched filter technique using the product of mutual information and correlation coefficient

Fig. 9

Histograms of the local maximum values of three indices (MI, CC, and MICC) extracted from each time series. Three representative templates that detect many DLF earthquakes are shown out of the original 200 templates. Vertical axes correspond to the number of samples in each bin (width, 0.01). The time at the top of each panel is the time of occurrence of the template event (JST). Applied data are for one day, 21 December 2010. Red lines show the threshold value for each index

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