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"Anshin" is an emotion in Japanese that is difficult to translate because it is vague, varies from person to person, and is subjective. It means something like "a feeling of contentment". The demand for Internet use with "Anshin" is high. We believe that the emotion and the demand could be universal. To study "Anshin," we conducted group interviews as our first step. We obtained 95/157 cases of "Anshin"/anxiety from 28 people. From the results, we found that studying anxiety is valuable. Anxiety is a kind of opposite concept to "Anshin" and controlling it leads to a kind of "Anshin." To discuss this, we constructed a model of the process of anxiety generation and selected candidates for the related elements. After investigating obtained cases, we produced a questionnaire for Internet anxieties to prepare the evaluation of them.

This paper does not necessarily reflect the views of the International Commission on Radiological Protection. Ten years have passed since the accident at Fukushima Daiichi nuclear power plant, and radioactive substances contained in agricultural products and marine products are now below detectable levels. Amidst this, the testing stance is changing from one that guarantees safety to one that guarantees relief, and testing is being reduced for financial reasons. Moreover, the sense of resistance and concern towards food products produced in Fukushima Prefecture is reducing. Anxiety has been reducing along with the development of the inspection system, the inspection results, and the passage of time. However, although there have been fewer requests, demands, and claims to avoid products from Fukushima Prefecture since immediately after the accident, there is a tendency for consumer trends to be forcefully ‘surmised'. As a result, the problem of reputational damage, such as the fact that the market ranking of rice and beef has not recovered, remains an issue.

This study analyzes the effectiveness of a disaster management plan and the problems encountered in its implementation, focusing on patterns of interaction between government and society in terms of disaster governance. Scholars in socio-political science point out that there has been a shift in the balance between government and society, from the public sector to the private sector as different sectors interact to solve problems. This study analyzes patterns of interaction and illustrates factors that influence the shift by examining the formulation and implementation process of an evacuation plan in the case of a volcanic eruption of Mount Shindake on Kuchinoerabujima Island, Japan. Mount Shindake explosively erupted on May 29, 2015. Immediately after observing the eruption, Japan Meteorological Agency (JMA) issued a volcanic alert "level five (evacuate)," the highest level. It was the first time that evacuation operations have been performed under such a high warning level. Although there were no official short-term warnings prior to the eruption, all people on the island evacuated safely. As a result of the study, we found that disaster governance had shifted from government-led to government and community collaboration after the volcanic eruption on August 3, 2014, which made the evacuation plan more effective.