Shallow tectonic tremor activities in Hyuga-nada, Nankai subduction zone, based on long-term broadband ocean bottom seismic observations
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DOI[10.1186/s40623-021-01533-x]のデータに遷移します
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- 資料種別
- 記事
- 著者・編者
- Yusuke YamashitaMasanao ShinoharaTomoaki Yamada
- 出版年月日等
- 2021-10-25
- 出版年（W3CDTF）
- 2021-10-25
- タイトル（掲載誌）
- EPS : Earth, Planets and Space
- 巻号年月日等（掲載誌）
- 73(196)
- 掲載巻
- 73(196)
- ISSN（掲載誌）
- 1880-5981
- ISSN-L（掲載誌）
- 1343-8832
- 本文の言語コード
- eng
- DOI
- 10.1186/s40623-021-01533-x
- 国立国会図書館永続的識別子
- info:ndljp/pid/12287028
- コレクション（共通）
- コレクション（障害者向け資料：レベル1）
- コレクション（個別）
- 国立国会図書館デジタルコレクション > 電子書籍・電子雑誌 > その他
- 収集根拠
- オンライン資料収集制度
- 受理日（W3CDTF）
- 2022-05-18T20:14:28+09:00
- 保存日（W3CDTF）
- 2022-04-27
- 記録形式（IMT）
- application/pdf
- オンライン閲覧公開範囲
- 国立国会図書館内限定公開
- デジタル化資料送信
- 図書館・個人送信対象外
- 遠隔複写可否（NDL）
- 可
- 掲載誌（国立国会図書館永続的識別子）
- info:ndljp/pid/11667897
- 連携機関・データベース
- 国立国会図書館 : 国立国会図書館デジタルコレクション
- 要約等
- The study of slow earthquake activity, which occurs in the shallow and deep sides of seismogenic zone, is crucial for understanding subduction zones, including variations in frictional properties with depth and interplate coupling. Observations at the seafloor are necessary, particularly for shallow slow earthquakes occurring in offshore areas; however, few observations of such activity have been made. We conducted long-term seismic observations on the seafloor in the Hyuga-nada region, located at the western end of the Nankai Trough, to characterize shallow low-frequency tremor activity from 2014 to 2017. Although these observations lasted for only a few years, the occurrence frequency of shallow tremors in Hyuga-nada was lower than that of deep tremors in the Nankai Trough, and major activity involving migration occurred only once every two or more years. In contrast, minor activity with a duration of a few days occurred several times a year. Major activities in 2015 were accompanied by migration similar to those in 2013. The tremors in 2013 were characterized by south to north migration at a rate of 30–60 km/day. However, the tremors in 2015 were characterized by west to east migration, and the activity area extended further to the east. The migration rates were also much slower (several to 20 km/day) than in 2013. These different migration properties likely reflect the state of interplate coupling in the down-dip side of shallow slow earthquake area. Minor activity was identified, including tremors triggered by the 2015 Nepal and 2016 Kumamoto earthquakes. Activity occurred mainly in the focal regions of major activities. Very-low-frequency earthquakes (VLFEs) occurred concurrently with tremors, and their epicenters coincided within the margin of error. However, the VLFEs were mostly peripheral to the shallow tremor concentration zones. This indicates that minor heterogeneities in frictional properties are present along the shallow plate boundary.
- DOI
- 10.1186/s40623-021-01533-x
- オンライン閲覧公開範囲
- インターネット公開
- 著作権情報
- © The Author(s) 2021.This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.
- 関連情報
- Additional file 1 of Shallow tectonic tremor activities in Hyuga-nada, Nankai subduction zone, based on long-term broadband ocean bottom seismic observationsAdditional file 2 of Shallow tectonic tremor activities in Hyuga-nada, Nankai subduction zone, based on long-term broadband ocean bottom seismic observations
- 関連情報（URI）
- 参照
- A review on slow earthquakes in the Japan TrenchLong-term slow slip events with and without tremor activation in the Bungo Channel and Hyuganada, southwest JapanDetectability analysis of very low frequency earthquakes: methods and application in Nankai using F-net and DONET broad-band seismometersSeismic activity around shallow plate boundary near westernmost Nankai Trough revealed by ocean bottom seismometer observationSpatial variation in shallow slow earthquake activity in Hyuga-nada, southwest JapanObservation of Shallow Slow Earthquakes by Distributed Acoustic Sensing Using Offshore Fiber‐Optic Cable in the Nankai Trough, Southwest JapanPrevalence of mud diapirs in the Hyuga-nada subduction zone, southwest Japan, and its implications on hydrogeological processesPotential fluid migration process inferred from integrated active-source seismic imaging in the Nankai Trough subduction zone off Cape Muroto, JapanStructural control on the shallow tremor distribution linked to seamount subduction: insights from high-resolution seismic imaging in Hyuga-nadaSeafloor depth controls seismograph orientation uncertaintyShallow Low‐Velocity Layer in the Hyuga‐Nada Accretionary Prism and Its Hydrological Implications: Insights From a Passive Seismic ArraySpatiotemporal Distribution of Shallow Tremors Along the Nankai Trough, Southwest Japan, as Determined From Waveform Amplitudes and Cross‐CorrelationsUpper-plate conduits linked to plate boundary that hosts slow earthquakesA review of shallow slow earthquakes along the Nankai TroughThick slab crust with rough basement weakens interplate coupling in the western Nankai Trough南海トラフ沿いで発生する浅部スロー地震の特徴Advancement of Research on Earthquake Phenomena Research Group in 2019–2023日向灘南部における大地震の多様な発生様式南海トラフにおける浅部スロー地震域の地質構造と摩擦特性
- 参照
- Development of a Slow Earthquake DatabaseConnecting slow earthquakes to large earthquakesShallow slow earthquakes to decipher future catastrophic earthquakes in the Guerrero seismic gapEpisodic tremor and slip near the Japan Trench prior to the 2011 Tohoku‐Oki earthquakeShallow Low‐Frequency Tremor in the Northern Japan Trench Subduction ZoneSmall repeating earthquake activity, interplate quasi‐static slip, and interplate coupling in the Hyuga‐nada, southwestern Japan subduction zoneImaging of the subducted Kyushu-Palau Ridge in the Hyuga-nada region, western Nankai Trough subduction zoneEarthquakes and Tremor Linked to Seamount Subduction During Shallow Slow Slip at the Hikurangi Margin, New ZealandSlow slip near the trench at the Hikurangi subduction zone, New ZealandThe slow earthquake spectrum in the Japan Trench illuminated by the S-net seafloor observatoriesSlow Earthquakes Illuminating Interplate Coupling Heterogeneities in Subduction ZonesInvited review paper: Fault creep caused by subduction of rough seafloor reliefA Brownian walk model for slow earthquakesComparison of the coseismic rupture with the aftershock distribution in the Hyuga‐nada Earthquakes of 1996The detectability of shallow slow earthquakes by the Dense Oceanfloor Network system for Earthquakes and Tsunamis (DONET) in Tonankai district, JapanPropagation dynamics of seismic and aseismic slip governed by fault heterogeneity and Newtonian rheologyNew, improved version of generic mapping tools releasedNonvolcanic Deep Tremor Associated with Subduction in Southwest JapanSlow Earthquakes Linked Along Dip in the Nankai Subduction ZoneMigrating tremor off southern Kyushu as evidence for slow slip of a shallow subduction interfaceSlow Earthquakes in the Microseism Frequency Band (0.1–1.0 Hz) off Kii Peninsula, JapanTremor and Inferred Slow Slip Associated With Afterslip of the 2011 Tohoku EarthquakeMigration of shallow and deep slow earthquakes toward the locked segment of the Nankai megathrustShallow slow slip events along the Nankai Trough detected by GNSS-ASpatial relationship between shallow very low frequency earthquakes and the subducted Kyushu-Palau Ridge in the Hyuga-nada region of the Nankai subduction zonePossible shallow slow slip events in Hyuga‐nada, Nankai subduction zone, inferred from migration of very low frequency earthquakesShallow very-low-frequency earthquakes accompany slow slip events in the Nankai subduction zoneRecurring and triggered slow-slip events near the trench at the Nankai Trough subduction megathrustFault zone heterogeneities explain depth-dependent pattern and evolution of slow earthquakes in CascadiaShallow episodic tremor near the Nankai Trough axis off southeast Mie prefecture, JapanDetection of triggered deep low‐frequency events from the 2003 Tokachi‐oki earthquakeSpatiotemporal distribution of seismic energy radiation from low‐frequency tremor in western Shikoku, JapanTriggered tectonic tremor in various types of fault systems of Japan following the 2012 <i>M<sub>w</sub></i>8.6 Sumatra earthquakePhenomenology of deep slow earthquake family in southwest Japan: Spatiotemporal characteristics and segmentationComplex evolution of transient slip derived from precise tremor locations in western Shikoku, JapanInterseismic coupling and asperity distribution along the Kamchatka subduction zoneRapid tremor reversals in Cascadia generated by a weakened plate interfaceDeep low‐frequency tremor that correlates with passing surface wavesRapid, continuous streaking of tremor in CascadiaSlow slip events and seismic tremor at circum‐Pacific subduction zonesSlow Earthquakes Coincident with Episodic Tremors and Slow Slip Events1968年4月1日, 日向灘地震 (<i>M</i><sub>JMA</sub>7.5) の震源過程とその後の地震活動との比較Very low frequency earthquakes excited by the 2004 off Kii peninsula earthquakes: a dynamic deformation process in the large accretionary prismLow‐frequency tremors associated with reverse faults in a shallow accretionary prism
- 連携機関・データベース
- 国立情報学研究所 : CiNii Research
- 提供元機関・データベース
- 学術機関リポジトリデータベース雑誌記事索引データベースCrossref科学研究費助成事業データベース科学研究費助成事業データベース科学研究費助成事業データベース科学研究費助成事業データベースCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossref
- 書誌ID（NDLBibID）
- 12287028