Special Issue on Integrated Study on Mitigation of Multimodal Disasters Caused by Ejection of Volcanic Products
Sakurajima Volcano Research Center, Disaster Prevention Research Institute, Kyoto University
1722-19 Sakurajima-Yokoyama, Kagoshima 891-1419, Japan
Volcanoes in Japan have recently become active, with the 2014 phreatic eruption at the Ontake volcano leaving 63 hikers dead or missing. The eruption of the Kuchinoerabujima volcano on May 29, 2015, forced all island residents to be evacuated.
All of these events undeerscore how underedeveloped Japan’s early warning alert levels remain. The Sakurajima volcano, currently Japan’s most active, maintained high activity in the first half of 2015. Ash from Janaury 2015, for example, was moved down the volcano’s slopes by extremely heavy rain in June and July, accumulating as thick sediment near villages.
Regarding such situations of volcano countries, we will develop an integrated system to mitigate many kinds of disasters which are generated by volcanic eruptions and extended by rain fall and wind, based on scientific knowledge. We are developing an integrated warning system to be used by local and national governments to mitigate volcanic and sediment disasters. We are also creating measure against volcanic ash for airlines.
This special issue summarizes basic scientific knowledge and technology on the present warning system to be used in the integrated system for decision-making.
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