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DCフィールド | 値 | 言語 |
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dc.contributor.author | 中道, 治久 | ja |
dc.contributor.author | 井口, 正人 | ja |
dc.contributor.author | 為栗, 健 | ja |
dc.contributor.alternative | NAKAMICHI, Haruhisa | en |
dc.contributor.alternative | IGUCHI, Masato | en |
dc.contributor.alternative | TAMEGURI, Takeshi | en |
dc.date.accessioned | 2018-02-23T00:18:44Z | - |
dc.date.available | 2018-02-23T00:18:44Z | - |
dc.date.issued | 2017-09 | - |
dc.identifier.issn | 0386-412X | - |
dc.identifier.uri | http://hdl.handle.net/2433/229387 | - |
dc.description.abstract | A rapid ground deformation associated with an intense volcano-tectonic (VT) earthquake swam was observed on August 15, 2015 at Sakurajima Volcano. We applied the amplitude source location (ASL) method to estimate 250 hypocenters of the VT earthquakes. We estimate site amplitude factors using regional earthquakes and the coda normalization method. Vertical component velocity seismograms were corrected with the site factors and converted to the RMS amplitude for input of the ASL method. A plot of the residuals for a hypocenter by the ASL method shows that horizontal locations are well constrained compared to the depths. The epicenters of the VT swarm distribute in and around the dike source, which is estimated by geodetic measurements. The epicenters are also located around northeastern and south-western tips of the dike. The depths of the earthquakes are poorly constrained. The temporal change of the hypocenter distribution is weakly seen. The epicenters are concentrated close to the dike at the first 3 hours of the swarm, after that the epicenter distribution spreads from the dike source to the north-east and south directions. | en |
dc.format.mimetype | application/pdf | - |
dc.language.iso | jpn | - |
dc.publisher | 京都大学防災研究所 | ja |
dc.publisher.alternative | Disaster Prevention Research Institute, Kyoto University | en |
dc.subject | 桜島火山 | ja |
dc.subject | 群発地震 | ja |
dc.subject | 震源 | ja |
dc.subject | 地震振幅 | ja |
dc.subject | Sakurajima Volcano | en |
dc.subject | earthquake swarm | en |
dc.subject | hypocenter | en |
dc.subject | seismic amplitude | en |
dc.subject.ndc | 519.9 | - |
dc.title | 2015年8月桜島群発地震の振幅を用いた震源推定 | ja |
dc.title.alternative | Hypocenter Distribution of an Earthquake Swarm that Occurred on August 2015 Beneath Sakurajima Volcano Using Seismic Amplitudes | en |
dc.type | departmental bulletin paper | - |
dc.type.niitype | Departmental Bulletin Paper | - |
dc.identifier.ncid | AN00027784 | - |
dc.identifier.jtitle | 京都大学防災研究所年報. B | ja |
dc.identifier.volume | 60 | - |
dc.identifier.issue | B | - |
dc.identifier.spage | 396 | - |
dc.identifier.epage | 401 | - |
dc.textversion | publisher | - |
dc.sortkey | 11 | - |
dc.relation.url | http://www.dpri.kyoto-u.ac.jp/publications/nenpo/ | - |
dcterms.accessRights | open access | - |
dc.identifier.pissn | 0386-412X | - |
dc.identifier.jtitle-alternative | Disaster Prevention Research Institute Annuals. B | en |
出現コレクション: | Vol.60 B |
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