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2006GL026507.pdf | 1.36 MB | Adobe PDF | 見る/開く |
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DCフィールド | 値 | 言語 |
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dc.contributor.author | Naoi, Makoto | en |
dc.contributor.author | Ogasawara, Hiroshi | en |
dc.contributor.author | Takeuchi, Junichi | en |
dc.contributor.author | Yamamoto, Akihito | en |
dc.contributor.author | Shimoda, Naoyuki | en |
dc.contributor.author | Morishita, Ken | en |
dc.contributor.author | Ishii, Hiroshi | en |
dc.contributor.author | Nakao, Shigeru | en |
dc.contributor.author | van Aswegen, Gerrie | en |
dc.contributor.author | Mendecki, Aleksander J. | en |
dc.contributor.author | Lenegan, Patrick | en |
dc.contributor.author | Ebrahim-Trollope, Rookshana | en |
dc.contributor.author | Iio, Yoshihisa | en |
dc.contributor.alternative | 直井, 誠 | ja |
dc.contributor.alternative | 飯尾, 能久 | ja |
dc.date.accessioned | 2022-07-25T07:58:18Z | - |
dc.date.available | 2022-07-25T07:58:18Z | - |
dc.date.issued | 2006-06-23 | - |
dc.identifier.uri | http://hdl.handle.net/2433/275594 | - |
dc.description.abstract | The Research Group for Semi-controlled Earthquake-generation Experiments in South African deep gold mines (SeeSA) has continuously monitored strain changes with a resolution of 24 bit 25 Hz at the Bambanani mine near Welkom. An Ishii borehole strainmeter was installed at a depth of 2.4 km near the potential M ∼ 3 earthquake source area. Instantaneous strain steps of ∼10−4 strains associated with two M2 events were observed within a length of seismic fault. These steps were followed by significant post-seismic creep-like drift, but not preceded by forerunners. Analysis of the continuous 25 Hz data reveals many smaller steps with much longer durations (100 ms ∼ 100 s) than seen in normal earthquakes (−1 < M < 2) with source durations of 1 ms∼50 ms. Some of the especially slow steps were preceded by accelerations in strain, the maximum being as large as one-third of the step. | en |
dc.language.iso | eng | - |
dc.publisher | American Geophysical Union | en |
dc.rights | © 2006 by the American Geophysical Union | en |
dc.rights | The full-text file will be made open to the public on 23 December 2006 in accordance with publisher's 'Terms and Conditions for Self-Archiving' | en |
dc.title | Small slow-strain steps and their forerunners observed in gold mine in South Africa | en |
dc.type | journal article | - |
dc.type.niitype | Journal Article | - |
dc.identifier.jtitle | Geophysical Research Letters | en |
dc.identifier.volume | 33 | - |
dc.identifier.issue | 12 | - |
dc.relation.doi | 10.1029/2006GL026507 | - |
dc.textversion | publisher | - |
dc.identifier.artnum | L12304 | - |
dcterms.accessRights | open access | - |
datacite.date.available | 2006-12-23 | - |
datacite.awardNumber | 10554019 | - |
datacite.awardNumber | 14403005 | - |
datacite.awardNumber | 14204040 | - |
datacite.awardNumber.uri | https://kaken.nii.ac.jp/ja/grant/KAKENHI-PROJECT-10554019/ | - |
datacite.awardNumber.uri | https://kaken.nii.ac.jp/ja/grant/KAKENHI-PROJECT-14403005/ | - |
datacite.awardNumber.uri | https://kaken.nii.ac.jp/ja/grant/KAKENHI-PROJECT-14204040/ | - |
dc.identifier.pissn | 0094-8276 | - |
dc.identifier.eissn | 1944-8007 | - |
jpcoar.funderName | 日本学術振興会 | ja |
jpcoar.funderName | 日本学術振興会 | ja |
jpcoar.funderName | 日本学術振興会 | ja |
jpcoar.awardTitle | 地震発生の制御実験-南アフリカ金鉱山における | ja |
jpcoar.awardTitle | 地震震源の地下直接観測 | ja |
jpcoar.awardTitle | 地震の準備過程の解明-南アフリカ金鉱山における地震包囲網の完成- | ja |
出現コレクション: | 学術雑誌掲載論文等 |
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