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Seismic Evidence for Active Underplating Below the Megathrust Earthquake Zone in Japan
https://nied-repo.bosai.go.jp/records/4833
https://nied-repo.bosai.go.jp/records/483369807da7-61bd-4777-9a05-0ed5625423e2
| Item type | researchmap(1) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 公開日 | 2023-03-30 | |||||||||||||
| タイトル | ||||||||||||||
| 言語 | en | |||||||||||||
| タイトル | Seismic Evidence for Active Underplating Below the Megathrust Earthquake Zone in Japan | |||||||||||||
| 言語 | ||||||||||||||
| 言語 | eng | |||||||||||||
| 著者 |
Hisanori Kimura
× Hisanori Kimura
× Tetsuya Takeda
× Kazushige Obara
× Keiji Kasahara
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| 抄録 | ||||||||||||||
| 内容記述タイプ | Other | |||||||||||||
| 内容記述 | Determining the structure of subduction zones is important for understanding mechanisms for the generation of interplate phenomena such as megathrust earthquakes. The peeling off of the uppermost part of a subducting slab and accretion to the bottom of an overlying plate (underplating) at deep regions has been inferred from exhumed metamorphic rocks and deep seismic imaging, but direct seismic evidence of this process is lacking. By comparing seismic reflection profiles with microearthquake distributions in central Japan, we show that repeating microearthquakes occur along the bottom interface of the layer peeling off from the subducting Philippine Sea plate. This region coincides with the location of slow-slip events that may serve as signals for monitoring active underplating. | |||||||||||||
| 言語 | en | |||||||||||||
| 書誌情報 |
en : SCIENCE 巻 329, 号 5988, p. 210-212, 発行日 2010-07 |
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| 出版者 | ||||||||||||||
| 言語 | en | |||||||||||||
| 出版者 | AMER ASSOC ADVANCEMENT SCIENCE | |||||||||||||
| ISSN | ||||||||||||||
| 収録物識別子タイプ | EISSN | |||||||||||||
| 収録物識別子 | 1095-9203 | |||||||||||||
| DOI | ||||||||||||||
| 関連識別子 | 10.1126/science.1187115 | |||||||||||||
