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Earth, Planets and Space
Fig. 1 | Earth, Planets and Space

Fig. 1

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

Fig. 1

ETAS model and its extended model estimates. Models (1) and (2) are fit to the seismicity in and around the aftershock region prior to the M6.5 Kumamoto earthquake. a Seismicity from 2010 until the M6.5 earthquake with a cutoff magnitude of M c  = 1.0. b–d ETAS models (1) and (2) fitted to the datasets until the change-point (the dashed vertical line) with M c  = 1.0, M c  = 1.5, and M c  = 2.0, respectively. The red vertical lines indicate when the M9.0 Tohoku-Oki earthquake (March 11, 2011) occurred. The green and red cumulative curves of models (1) and (2) are extended for the period until the M6.5 event and are superimposed onto the observed cumulative curve (black curve). The corresponding M–T plots are attached in the bottom sides

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