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Earth, Planets and Space
Fig. 12 | Earth, Planets and Space

Fig. 12

From: Measuring seismicity diversity and anomalies using point process models: case studies before and after the 2016 Kumamoto earthquakes in Kyushu, Japan

Fig. 12

The vertical b-value variation of foreshocks. a The white dots represent the hypocenters of the foreshock sequence projected onto the X–Y lateral plane (in Fig. 11). Colors and contours show the b-value distribution. The contours are in increments of 0.02. Red triangles indicate the hypocenters of the M6.5 and M6.4 earthquakes in order from the shallow side. b Blue dots with error bars represent the hypocenters of the foreshocks prior to the M6.4 foreshock, and red dots with error bars represent the hypocenters of the foreshocks after the M6.4 event

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