In the "Fukushima Prefecture Offshore Earthquake" that occurred on November 2016, 11, tsunami warnings and warnings were also announced in the coastal areas of Miyagi Prefecture, and evacuation orders were issued to Ishinomaki City.In order to understand the situation of evacuation behavior against this earthquake and tsunami, three parties, Tohoku University International Research Institute of Disaster Science, Ishinomaki City, and Survey Research Center Co., Ltd., conducted joint research.The survey results were announced.
The survey is for households of 2011 households currently residing in the area of Ishinomaki City's main office and in the tsunami inundation area that occurred on March 3, 11.The number of valid responses is 5,000 households, and although the target person is not specified, the head of the household or a person who replaces it is often the answer. It accounted for about 2,169%.
According to the survey, at the time of the "Fukushima-ken-oki Earthquake", the home-based rate was about 9%, and the majority were sleeping.The tsunami warning (6:2), evacuation order (8:5), and tsunami warning (8: 9) are all about 9% of the cognitive status, and nearly 4% of the evacuated people are "tsunami warning". Was used as the criterion for determining the necessity of evacuation. Those who "thought that a big tsunami would not come" (2011% of those who did not evacuate) and those who "prioritized collecting information on TV, radio, etc." (same as above) were also able to make decisions based on the experience of the tsunami in 67.1. 30.8%), and nearly 6% of the total did not evacuate, and the evacuation implementation rate was 41.2%.
Of those who did not evacuate, about 3% "thought" to evacuate. More than 6% answered that they did not think about evacuating.The most common reason for not evacuating was "I thought that a big tsunami would not come" at 67.1%, and "I gave priority to collecting information on TV and radio" (30.8%) and "Neighborhood". Reasons such as "because people were not evacuated" (20.1%) and "because we gave priority to going to work / school" (15.9%) were mentioned.The results of this survey will be used for studying disaster prevention measures in Ishinomaki City, and will be widely used for activities such as disaster prevention research, news reports, public relations and enlightenment.