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Committee on Lessons Learned from the Fukushima Nuclear Accident for Improving Safety and Security of U.S. Nuclear Plants; Nuclear and Radiation Studies Board; Division on Earth and Life Studies; National Research Council. Lessons Learned from the Fukushima Nuclear Accident for Improving Safety of U.S. Nuclear Plants. Washington (DC): National Academies Press (US); 2014 Oct 29.

Cover of Lessons Learned from the Fukushima Nuclear Accident for Improving Safety of U.S. Nuclear Plants

Lessons Learned from the Fukushima Nuclear Accident for Improving Safety of U.S. Nuclear Plants.

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TABLE 6.1Chronologies of Evacuation and Shelter-in-Place Orders Following the Fukushima Daiichi Accident

Date in 2011 (time)Distance from PlantOrdersaArea Designation
March 11 (20:50)2 kmCompulsory evacuation issued by the Fukushima prefectural governmentRestricted Zone
(21:23)3 kmCompulsory evacuationRestricted Zone
March 12 (05:44)10 kmCompulsory evacuationRestricted Zone
(18:25)20 kmCompulsory evacuationRestricted Zone
March 1520-30 kmShelter in homeEvacuation Prepared Area
March 2520-30 kmSelf-evacuationEvacuation Prepared Area
April 22Areas with dose >20 mSv/yrEvacuation within 1 monthDeliberate Evacuation Area
June 16Hotspots with dose >20 mSv/yrRecommended for evacuationSpecific spots recommended for evacuation
September 3020-30 kmLifted order to shelter indoors or self-evacuateLifting of Evacuation Prepared Area
a

Issued by the central government unless otherwise stated; order unless otherwise stated. SOURCE: Adapted from Hasegawa (2013).

From: 6, Lessons Learned: Offsite Emergency Management

Copyright 2014 by the National Academy of Sciences. All rights reserved.

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