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| ファイル | 記述 | サイズ | フォーマット | |
|---|---|---|---|---|
| a64b0p04.pdf | 7.98 MB | Adobe PDF | 見る/開く |
| タイトル: | 飛騨山脈2020年群発地震 |
| その他のタイトル: | Seismic Swarm Activity in the Hida Mountain Range, Central Japan, in 2020 |
| 著者: | 大見, 士朗  |
| 著者名の別形: | OHMI, Shiro |
| キーワード: | 飛騨山脈 群発地震 有感地震 地震活動の特徴 Hida mountain range seismic swarm activity felt earthquakes characteristics of seismic activity |
| 発行日: | Dec-2021 |
| 出版者: | 京都大学防災研究所 |
| 誌名: | 京都大学防災研究所年報. B |
| 巻: | 64 |
| 号: | B |
| 開始ページ: | 40 |
| 終了ページ: | 47 |
| 抄録: | In 2020, intense seismic swarm activity took place in the Hida mountain range, Central Japan. It started in April, 2020 and lasted for about three months, which include five moderate earthquakes whose JMA scale magnitude is equal to or larger than 5.0. This activity started at the eastern part of Kamikochi area, Nagano prefecture, in April and extended to Okuhida area, Gifu prefecture in May, which is beyond the main ridge of the Hida mountain range. Swarm activities are frequently observed since late 1970’s, when DPRI started seismic observation in this area. The most intense swarm activity ever observed occurred in August 1998, which lasted one and half years, of which maximum event M5.6. Seismic activity in 2020 is the second most intense activity since late 1970's. |
| URI: | http://hdl.handle.net/2433/268142 |
| 関連リンク: | http://www.dpri.kyoto-u.ac.jp/publications/nenpo/ |
| 出現コレクション: | Vol.64 B |
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