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20. Preseismicの比抵抗変化(2) : 1975年3月1日～1982年7月31日
https://doi.org/10.15083/0000032960
https://doi.org/10.15083/0000032960b619fecf-32ed-4789-909f-ad22e41259c3
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
ji0582010.pdf (2.6 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 | 20. Preseismicの比抵抗変化(2) : 1975年3月1日～1982年7月31日 | |||||
| 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 | 10.15083/0000032960 | |||||
| ID登録タイプ | JaLC | |||||
| その他のタイトル | ||||||
| その他のタイトル | 20. Preseismic Resistivity Changes Recorded by the Resistivity Variometer (2) : Mar. 1, 1975～July 31, 1982 | |||||
| 著者 |
山崎, 良雄
× 山崎, 良雄 |
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| 著者別名 | ||||||
| 識別子Scheme | WEKO | |||||
| 識別子 | 128512 | |||||
| 姓名 | Yamazaki, Yoshio | |||||
| 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 | During the observation period from Mar. 1, 1975 to July 31, 1982, 35 examples of coseismic resistivity changes were clearly recorded for remarkable earthquakes occurred in and around Japan. Among these, 17 examples show preseismic resistivity changes about a few hours prior to the earthquake occurrence. These preseismic resistivity changes were confirmed by using a numerical digital high-pass filter (Tc=6 hours) for each record showing coseismic resistivity changes. Each pattern of the preseismic resistivity change can be classified into one of the three types, i.e., I, II and III, as previously described in the former report, ""Preseismic Resistivity Changes Recorded by the Resistivity Variometer (1) (May 14, 1968～February 28, 1975), Bull. Earthq. Res. Inst., 55, 755-794, 1980"". Type I preseismic change is a gradual change leading to a step-like coseismic change, usually starting about 2 to 6 hours prior to the earthquake occurrence. Type II change is a linear decrease or occasionally increase in resistivity, usually starting about 1 to 10 hours prior to the coseismic change. Type III preseismic change is characterized by its short duration of 30 minutes to 1 hours. The change takes place immediately prior to the earthquake occurrence. Up to the present time, 64 examples of coseismic resistivity change and 34 examples of the preseismic resistivity change were clearly recorded by the resistivity variometer at the Aburatsubo Crustal Deformat!on Observatory(137°37′E, 35°09′N). The research on preseismic resistivity change is important for earthquake prediction. Observations by the resistivity variometer system at multiple points are greatly required. | |||||
| 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 58, 号 2, p. 477-525, 発行日 1983-10-22 |
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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 | ||||||
