2017 Fiscal Year Annual Research Report
Development of Detection and Monitoring Technique for Crustal Movement Preparation Process and Underground Flow by Sea-Land Integrated Electromagnetic Observation Network
Project/Area Number |
26249060
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Research Institution | Chiba University |
Principal Investigator |
服部 克巳 千葉大学, 大学院理学研究院, 教授 (60244513)
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Co-Investigator(Kenkyū-buntansha) |
安川 博 愛知県立大学, 情報科学部, 名誉教授 (00305517)
鴨川 仁 東京学芸大学, 教育学部, 准教授 (00329111)
山中 千博 大阪大学, 理学研究科, 准教授 (10230509)
酒井 英男 富山大学, 大学院理工学研究部(理学), 教授 (30134993)
内匠 逸 名古屋工業大学, 工学(系)研究科(研究院), 教授 (30188130)
安藤 芳晃 電気通信大学, 大学院情報理工学研究科, 准教授 (30323877)
高野 忠 日本大学, 理工学部, 教授 (80179465)
茂木 透 北海道大学, 工学研究院, 特任教授 (80182161)
後藤 忠徳 京都大学, 工学研究科, 准教授 (90303685)
井筒 潤 中部大学, 工学部, 准教授 (90362433)
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Project Period (FY) |
2014-04-01 – 2018-03-31
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Keywords | ULF電磁場観測 / ELF電磁場観測 / MT観測 / 雑音除去 / Molchan Error Diagram解析 / 岩石室内実験 |
Outline of Annual Research Achievements |
本研究では①複合観測システムとデータベースの構築、②データ解析法の確立、③房総半島の電気的地下構造の把握、④室内実験やモデルによる地震電磁場信号の物理機構解明、⑤電磁気学的、力学的、地震学的データとの関連性評価の5項目を連携させて実施した。具体的には前年度に引き続き、ULF/ELF電磁場、大気電場等の複合観測点網を展開し、異常変動の有意性や普遍性・再現性を吟味し、その検出手法を確立し、観測学的/実証学的に地震電磁気現象の物理機構解明を目指した。成果は学術論文25件(査読あり17件、査読なし8件)、学会発表117件(うち国際会議43件、招待講演12件)、著書2件であった。各項目の主な概要は次のとおりである。①観測:清澄および旭観測点における複合観測データの蓄積、②データ解析:信号弁別法や統計的評価法を開発、③電気的構造の把握:前年度までに実施した房総南部で40箇所の電磁気探査のデータ解析と雑音除去のための前処理法の検討、④室内実験:岩石破壊に伴って発生するマイクロ波の発生機構の検討と衛星マイクロ波リモートセンシングデータによる実証研究のための周波数による地上足跡補正の検討を行い、シミュレーションによってその有効性を確認した。また下部電離圏の電子密度を監視するためにVLF帯大地-電離圏導波管伝搬を用いて同定する手法を開発し、シミュレーションで検討した。⑤電磁気学的、力学的、地震学的データとの関連性評価:b値解析や国土地理院のGEONETによる地震活動や地殻変動の状況も調査した。⑥その他:第4回地震準備過程に関する国際ワークショップを2017年5月26日~27日に開催し、講演数48件、8ヶ国64人の参加があった。また、本課題のまとめに向けた進捗報告会議を名古屋工業大学で7月3日に実施した。
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Research Progress Status |
29年度が最終年度であるため、記入しない。
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Strategy for Future Research Activity |
29年度が最終年度であるため、記入しない。
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[Journal Article] Development of Monitoring System to Understand Preparation Processes of Rainfall-Induced Landslides : Estimation of Slip Surface and In-Situ Observation using Electromagnetic Methods2017
Author(s)
Yamazaki, T., Hattori, K., Kaneda, H., Sakai, H., Izumi. Y., Terajima, T.
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Journal Title
Journal of Electronics and Communications in Japan
Volume: 100(10)
Pages: 3-11
DOI
Peer Reviewed
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[Journal Article] Co-seismic signatures in magnetometer, geophone, and infrasound data during the Meinong Earthquake2017
Author(s)
Jann-Yenq Liu, Chieh-Hung Chen, Tsung-Yu Wu, Hsiao-Ching Chen, Katsumi Hattori, Tom Bleier, Karl Kappler, I-Ching Yang, Yaqin Xia, Weisheng Chen, Zhengyan Liu
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Journal Title
Terrestrial, Atmospheric and Oceanic Sciences
Volume: 28(5)
Pages: 683-692
DOI
Peer Reviewed / Int'l Joint Research
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[Journal Article] Microsatellites observing atmospheric and space electricity for the science of serious natural disasters: A Challenge to their mitigations2017
Author(s)
Togo, S., K. Miyata, H. Nitta, S. Takahashi, K. Tanaka, T. Okada, Y. Suzuki, Y. Orihara, and M. Kamogawa
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Journal Title
Inventive Ideas for Micro/Nano-Satellite Missions and Systems : Report on Deorbit Device Competition (DDC) Mission Idea Contest (MIC4), edited by R. Sandau et al., Paris, IAA Book Series
Volume: 1(7)
Pages: 100-112
Peer Reviewed / Int'l Joint Research
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[Presentation] Effective noise reduction of magnetotelluric data observed in the Boso Peninsula2018
Author(s)
Hao Chen, Naoki Koizumi, Chie Yoshino, Katsumi Hattori, Peng Han, Touru Mogi, Mao Okuda, Kotaro Sugano, Midori Hayakawa, Shinya Sakanaka
Organizer
日本大気電気学会第96回研究発表会, 東京理科大学
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[Presentation] 2D and 3D Characteristics of Ionospheric anomalies preceding the large earthquake2017
Author(s)
Katsumi Hattori, Peng Han, Shinji Hirooka, Mustafa Yagmur, Chie Yoshino, Takaaki Kobari, Ayano Honma, Jann-Yenq Liu
Organizer
4th International Workshop on Earthquake Preparation Process 2017 - Observation, Validation, Modeling, Forecasting - (IWEP4), Chiba University
Int'l Joint Research
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[Presentation] Characteristics of atmospheric parameter changes in Atmospheric Electric Field (AEF), Atmospheric Ion Concentration (AIC), Atmospheric Radon Concentration (ARC), Radon Exhalation Quantity (REQ) at Asahi, Boso Peninsula, Japan2017
Author(s)
Junpei Omura, Peng Han, Chie Yoshino, Katsumi Hattori, Michikuni Shimo, Toshiharu Konishi, Ryuichi Furuya
Organizer
4th International Workshop on Earthquake Preparation Process 2017 - Observation, Validation, Modeling, Forecasting - (IWEP4), Chiba University
Int'l Joint Research
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[Presentation] Preliminary results of MT Survey at Boso Peninsula, Japan2017
Author(s)
Naoki Koizumi, Hao Cheng, Chie Yoshino, Katsumi Hattori, Peng Han, Mao Okuda, Kotaro Sugano, Midori Hayakawa, Toru Mogi, Shinya Sakanaka
Organizer
4th International Workshop on Earthquake Preparation Process 2017 - Observation, Validation, Modeling, Forecasting - (IWEP4), Chiba University
Int'l Joint Research
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[Presentation] Variations of radon concentration in the air and radon exhalation quantity at Asahi, Boso Peninsula, Japan2017
Author(s)
Junpei Omura, Peng Han, Chie Yoshino, Katsumi Hattori, Michikuni Shimo, Toshiharu Konishi, Ryuichi Furuya
Organizer
4th International Workshop on Earthquake Preparation Process 2017 - Observation, Validation, Modeling, Forecasting - (IWEP4), Chiba University
Int'l Joint Research
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[Presentation] Singular spectrum analysis of magnetotelluric data observed in Boso Peninsula2017
Author(s)
Hao Chen, Naoki Koizumi, Chie Yoshino, Katsumi Hattori, Peng Han, Touru Mogi, Mao Okuda, Kotaro Sugano , Midori Hayakawa, Shinya Sakanaka
Organizer
4th International Workshop on Earthquake Preparation Process 2017 - Observation, Validation, Modeling, Forecasting - (IWEP4), Chiba University
Int'l Joint Research
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[Presentation] Multi-sensor monitoring network for earthquake precursors and preparation process near subduction zone at Boso, Japan, 20172017
Author(s)
Chie Yoshino, Katsumi Hattori, Peng Han, Toru Mog, Tadanori Goto, Ichi Takumi, Hiroshi Yasukawa, Motoaki Mouri, Tadashi Takano, ChihiroYamanaka, Masashi Kamogawa, Yoshiakiu Ando, Jun Sonoda, Jann-Yenq Liu, Dimitar Ouzounov, Valery Tramutoli, Nicola Genzano, and Qinghua Huang
Organizer
4th International Workshop on Earthquake Preparation Process 2017 - Observation, Validation, Modeling, Forecasting - (IWEP4), Chiba University
Int'l Joint Research
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[Presentation] Characteristics of 2D and 3D structures of Ionospheric anomalies preceding the large earthquake2017
Author(s)
Katsumi Hattori, Peng Han, Shinji Hirooka, Mustafa Yagmur, Chie Yoshino, Takaaki Kobari, Ayano Honma, and Jann-Yenq Liu
Organizer
32nd URSI2017GASS, the Montreal convention center, Montreal, Canada
Int'l Joint Research / Invited
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[Presentation] Observation of Atmospheric Parameters for Earthquake Forecast at Kanto, Japan: Characteristics of Variation and Signal Discrimination2017
Author(s)
Junpei Omura, Peng Han, Chie Yoshino, Katsumi Hattori, Michikuni Shimo, Toshiharu Konishi, Ryuichi Furuya
Organizer
2017 AGU Fall Meeting, New Orleans Ernest N. Morial Convention Center, New Orleans, USA
Int'l Joint Research
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[Presentation] Three dimensional resistivity structure in the source reason of SSEs in Boso peninsula, Central Japan2017
Author(s)
Midori Hayakawa, Mao Okuda, Toru Mogi, Kotaro Sugano, Naoki Koizimi, Katsumi Hattori, Chie Yoshino, Han Peng, Hao Chen
Organizer
IAG-IASPEI2017, Kobe International Conference Center
Int'l Joint Research
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