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Estimation of the total population moving into and out of the 20 km evacuation zone during the Fukushima NPP accident as calculated using "Auto-GPS" mobile phone data.

Author information

1
Department of Physics, The University of Tokyo, Tokyo, Japan. hayano@phys.s.u-tokyo.ac.jp

Abstract

The first objective data showing the geographical locations of people in Fukushima after the Fukushima Dai-ichi nuclear power plant accident, obtained by an analysis of GPS (Global Positioning System)-enabled mobile phone logs, are presented. The method of estimation is explained, and the flow of people into and out of the 20 km evacuation zone during the accident is visualized.

PMID:
23666090
PMCID:
PMC3722575
[Indexed for MEDLINE]
Free PMC Article

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