著者

泉谷 清髙

出版者

日本国際情報学会

雑誌

国際情報研究 (ISSN:18842178)

巻号頁・発行日

vol.11, no.1, pp.3-19, 2014-12-19 (Released:2014-12-19)

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On March 11, 2011, a big earthquake (today named the Great East Japan Earthquake) hit north-east Japan. Fukushima Daiichi nuclear power station suffered from the disaster, with part of its main buildings destroyed. The other power stations throughout the country stopped work one after another, and have been out of operation up to now (August, 2014). Taking into account increasing costs of fossil fuel, and worsening air pollution with emission of more carbon dioxide and greenhouse gas, restart of nuclear power generation will be desired. In view of the fact that about 60% of the power plants are located on the Pacific coast, there would be a lot of power shortages if a big earthquake directly hit the Tokyo area. In order to prevent shortages, it may be necessary that plants situated on the Japan Sea side should resume operation as soon as safety has been reconfirmed. In this article I will consider how unevenly nuclear power stations are distributed and dispersed, and what problems this irregular location poses to us, by making simulations of what effects an earthquake in the Tokyo area will have on nuclear plants in the TEPCO area.

著者

泉谷 清髙

出版者

日本国際情報学会

雑誌

国際情報研究 (ISSN:18842178)

巻号頁・発行日

vol.17, no.1, pp.3-14, 2020-12-26 (Released:2020-12-28)

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In March 2013, the Central Disaster Management Council (Cabinet Office) announced "Damage assumption of Nankai Trough Earthquake (Second Report)", and in May "Measures against Nankai Trough Earthquake (Final Report)". However, in the final report, the only information on tsunamis was "List of maximum tsunami heights by prefecture and municipality (Appendix 1-2)". There was no tsunami forecast data for the addresses (specific areas) of thermal power plants. In April 2002, Geospatial Information Authority of Japan (GSI) started operation of the “hazard map portal site”. In June 2018, the new hazard map portal site "Overlapping Hazard Map" was completed. It has a "risk display by address search" function that displays "power station location" data and "maximum tsunami inundation depth" data.This study consists of four parts. First, analyze the relationship between damage and recovery period of thermal power plants due to earthquake motion and tsunamis in the Great East Japan Earthquake. Second, use the "overlapping hazard map" to predict damage to thermal power plants due to ground motion and tsunamis from Nankai Trough Earthquake. Third, simulate the transition of recovery. Finally, analyze the power supply structure after Great East Japan Earthquake Disaster, which highly adds weight to toward thermal power generation.

著者

泉谷 清髙

出版者

日本国際情報学会

雑誌

国際情報研究 (ISSN:18842178)

巻号頁・発行日

vol.14, no.1, pp.27-38, 2017-12-24 (Released:2017-12-24)

参考文献数

3

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In the Great East Japan Earthquake in March 2011, the shortage of petroleum products lasted about 1 month not only in the affected area but also in the Kanto area. In the affected Tohoku area, the fuel shortage had been finally solved after both of the shipping channel to Sendai-Shiogama Port and the coastal oil terminal recovered. This research clarified how the recovery of the channel and the oil terminal contributed to the resolution of the fuel shortage. As a result, it turned out that there are two important factors for predicting the supply of petroleum products and the impact by its shortage at the time of a disaster. Those factors are “shipping capacity (kl / day) of oil terminals” and “the situation of electric power supply.” TEPCO generates 66% of the electricity from LNG thermal power, which indicates the inherent weakness in LNG thermal power generation after a disaster.