Fig 1.
Overall changes in mobile phone location signal data in the study area on August 7, 2017.
Fig 2.
Overall changes in mobile phone location signal data in the study area on August 8, 2017.
Fig 3.
Changes in cell phone position signal data before the earthquake in the study area.
Fig 4.
Changes in cell phone position signal data during earthquakes in the study area.
Fig 5.
Changes in cell phone position signal data after the earthquake in the study area.
Fig 6.
Changes in cell phone position signal data at different times in the study area.
Fig 7.
Mobile phone location signal data at different times with respect to the earthquake.
Fig 8.
Mobile phone signal location distribution in the study area.
Fig 9.
Population distribution in the study area.
Fig 10.
Area and number of signals in each intensity area.
Fig 11.
Change rates of overlap data in phase a and phase b.
Fig 12.
Spatial distribution of the change rate in the overlap area in phase a.
Fig 13.
Spatial distribution of the change rate in the overlap area in phase b.
Fig 14.
Spatial distribution of change rates in non-overlap areas 10 minutes before the earthquake.
Fig 15.
Spatial distribution of change rates in non-overlap areas in the earthquake time.
Fig 16.
Spatial distribution of change rates in non-overlap areas 10 minutes after the earthquake.
Fig 17.
Spatial distribution of change rates in non-overlap areas.
Fig 18.
Distribution of data at different distances from the epicenter.
Fig 19.
Distribution of data at different distances from the epicenter in phase a.
Fig 20.
Distribution of data at different distances from the epicenter in phase b.