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東北日本西岸沖-フォッサ・マグナ-東海・伊豆の活動帯と近年の伊豆地方における地震活動について
https://doi.org/10.15083/0000033009
https://doi.org/10.15083/0000033009eae737b6-da80-4496-9276-6f90f12b9d50
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
ji0564005.pdf (1.3 MB)
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| Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2008-05-30 | |||||
| タイトル | ||||||
| タイトル | 東北日本西岸沖-フォッサ・マグナ-東海・伊豆の活動帯と近年の伊豆地方における地震活動について | |||||
| 言語 | ja | |||||
| 言語 | ||||||
| 言語 | jpn | |||||
| 資源タイプ | ||||||
| 資源 | http://purl.org/coar/resource_type/c_6501 | |||||
| タイプ | departmental bulletin paper | |||||
| ID登録 | ||||||
| ID登録 | 10.15083/0000033009 | |||||
| ID登録タイプ | JaLC | |||||
| その他のタイトル | ||||||
| その他のタイトル | Active Tectonic Zone along the Japan Sea Coast of Northeastern Honshu, the Fossa Magna and the Tokai-Izu Region, and the Recent Seismic Activity in the Izu Region | |||||
| 著者 |
茂木, 清夫
× 茂木, 清夫 |
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| 著者別名 | ||||||
| 識別子Scheme | WEKO | |||||
| 識別子 | 128704 | |||||
| 姓名 | Mogi, Kiyoo | |||||
| 著者所属 | ||||||
| 著者所属 | 地震研究所 | |||||
| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | The recent anomalous high activity in the Izu region was preceded by a remarkable earthquake swarm during the period (1964-1965) followed by a very calm period. During the period (1964-1965), several important events, such as the Oga-hanto-oki earthquake (M 6.9), the Niigata earthquake (M7.5), the Matsushiro earthquake swarm and the Shizuoka earthquake (M 6.1) occurred along the active tectonic zone including the active folded zone of Akita-Niigata on the Japan Sea side, the Fossa Magna active belt and the Izu-Tokai region, which was pointed out as an important tectonic boundary between the eastern and the western Japanese islands by Huzita (1980). Therefore, the simultaneous occurrence of the several remarkable events along the above-mentioned tectonic zone may be not accidental and it suggests that the tectonic zone is still active and plays an important role for the present-day tectonics of the Japanese islands. The spatio-temporal pattern in the recent seismic activity in the Izu Peninsula and its surrounding area is discussed on the basis of seismic data in the Seismological Bulletin of the Japan Meteorological Agency. Regular patterns before and after three large earthquakes of magnitudes 6.7 to 7.0 are pointed out. Particularly the donut-shaped pattern before the large earthquakes is noticed. After the last large earthquake (M 6.7) in 1980, a donut-shaped pattern was found in the northwestern Sagami Bay region just adjacent to the focal region of the 1980 earthquake. Furthermore the migration of recent large shallow earthquakes in the Izu region from south to north has been observed. Therefore the northwestern Sagami Bay region may be considered a potential region for a future large earthquake. In this case, however, it should be considered that there is a possibility that the strain energy accumulation in this region is not enough for the occurrence of a large earthquake, because the 1923 great Kanto earthquake occurred in the adjacent region. | |||||
| 書誌情報 |
東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo 巻 56, 号 4, p. 691-711, 発行日 1982-03-31 |
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| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 00408972 | |||||
| 書誌レコードID | ||||||
| 収録物識別子タイプ | NCID | |||||
| 収録物識別子 | AN00162258 | |||||
| フォーマット | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | application/pdf | |||||
| 日本十進分類法 | ||||||
| 主題Scheme | NDC | |||||
| 主題 | 453 | |||||
| 出版者 | ||||||
| 出版者 | 東京大学地震研究所 | |||||
| 出版者別名 | ||||||
| Earthquake Research Institute, University of Tokyo | ||||||
