JDR Vol.17 No.2 pp. 230-236
doi: 10.20965/jdr.2022.p0230


Extreme Solar Flare as a Catastrophic Risk

Hiroaki Isobe*,†, Takuya Takahashi**, Daikichi Seki*, and Yosuke Yamashiki*

*Graduate School of Advanced Integrated Studies in Human Survivability, Kyoto University
1 Nakaadachi-cho, Yoshida, Sakyo-ku, Kyoto, Kyoto 606-8306, Japan

Corresponding author

**Kwasan and Hida Observatories, Kyoto University, Kyoto, Japan

March 9, 2017
December 28, 2021
February 1, 2022
solar flares, space weather, space utilization

Space weather, or the disturbances of the plasma environment driven by the magnetic activities in the Sun in geospace, has become a potential source of disaster for modern society, which is increasingly dependent on its space infrastructure and large-scale power grids. Recently, independent pieces of evidence have been found that support the possibility of extremely intense space weather driven by a “superflare,” a solar phenomenon that modern society has never experienced. This paper reviews state-of-art studies of superflares and their potential impacts.

Cite this article as:
H. Isobe, T. Takahashi, D. Seki, and Y. Yamashiki, “Extreme Solar Flare as a Catastrophic Risk,” J. Disaster Res., Vol.17 No.2, pp. 230-236, 2022.
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