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A Forecasting Procedure for Plate Boundary Earthquakes Based on Sequential Data Assimilation
https://nied-repo.bosai.go.jp/records/5978
https://nied-repo.bosai.go.jp/records/597818c6cac0-a970-468a-b13d-25d85e957bb0
| Item type | researchmap(1) | |||||||||||||||
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| 公開日 | 2023-03-30 | |||||||||||||||
| タイトル | ||||||||||||||||
| 言語 | en | |||||||||||||||
| タイトル | A Forecasting Procedure for Plate Boundary Earthquakes Based on Sequential Data Assimilation | |||||||||||||||
| 言語 | ||||||||||||||||
| 言語 | eng | |||||||||||||||
| 著者 |
Takane Hori
× Takane Hori
× Mamoru Hyodo
× Ryoko Nakata
× Shin'ichi Miyazaki
× Yoshiyuki Kaneda
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| 抄録 | ||||||||||||||||
| 内容記述タイプ | Other | |||||||||||||||
| 内容記述 | A forecasting procedure is proposed for plate boundary earthquakes in subduction zones. It is based on spatio-temporal variation in slip velocity on the plate interface, which causes interplate earthquakes. Model outputs are not only information about the occurrence of great earthquakes (time, place, and magnitude) but also information about the physical state evolution that causes earthquakes. To overcome the difficulty in forecasting earthquake generation resulting from uncertainty both in the physical model and in the observation data, we introduce a type of sequential data assimilation. In this method, we compare observed crustal deformation data to simulations of several great interplate earthquake generation cycles. We are currently constructing a prototype, applying this forecasting procedure to the Nankai Trough, Southwest Japan, where great interplate earthquakes have occurred and are anticipated. | |||||||||||||||
| 言語 | en | |||||||||||||||
| 書誌情報 |
en : OCEANOGRAPHY 巻 27, 号 2, p. 94-102, 発行日 2014-06 |
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| 言語 | en | |||||||||||||||
| 出版者 | OCEANOGRAPHY SOC | |||||||||||||||
| ISSN | ||||||||||||||||
| 収録物識別子タイプ | ISSN | |||||||||||||||
| 収録物識別子 | 1042-8275 | |||||||||||||||
| DOI | ||||||||||||||||
| 関連識別子 | 10.5670/oceanog.2014.44 | |||||||||||||||
