会議発表論文 宇宙から捉える大きな地震の前駆現象
Satellite observations of ionosphere disturbance prior to large earthquake

小山, 孝一郎  ,  児玉, 哲哉  ,  Oyama, Koichiro  ,  Kodama, Tetsuya

内容記述
This paper reports ionosphere disturbance which is observed by satellite before large earthquakes. Ionosphere disturbance caused by large earthquakes shows different features, depending on local time, height, epicenter location, and distance from the epicenter. When satellite altitude is high, the effect of large earthquakes does not appear right over the epicenter, but appears over geomagnetic equator and in higher latitude. While the identification of the epicenter location and day of earthquake might be possible for the satellite orbit height of 300 Km. Most probably the mechanism of the disturbance is electric field, but other reason such as variation of neutral composition might be possible. In order to grab global morphology of earthquake disturbance and to find mechanism of ionosphere disturbance, constellation of tiny satellite is essentially needed.
会議情報: 第13回宇宙環境シンポジウム (2016年11月1日-2日. 情報通信研究機構 本部 国際会議室), 小金井市, 東京
Meeting Information: The 13th Spacecraft Environment Symposium (November 1-2, 2016. National Institute of Information and Communications Technology), Koganei, Tokyo, Japan
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https://repository.exst.jaxa.jp/dspace/bitstream/a-is/599485/1/AA1630038022.pdf

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