Development of a detection method for short-term slow slip events using GNSS data and its application to the Nankai subduction zone
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DOI[10.1186/s40623-022-01576-8]のデータに遷移します
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- 資料種別
- 記事
- 著者・編者
- Yutaro OkadaTakuya NishimuraTakao Tabei
- 出版年月日等
- 2022-01-24
- 出版年（W3CDTF）
- 2022-01-24
- タイトル（掲載誌）
- EPS : Earth, Planets and Space
- 巻号年月日等（掲載誌）
- 74(18)
- 掲載巻
- 74(18)
- 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/s40623-022-01576-8
- 国立国会図書館永続的識別子
- info:ndljp/pid/12287086
- 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/12287068
- 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
- Using global navigation satellite system (GNSS) data to detect millimeter-order signals of short-term slow slip events (S-SSEs) and to estimate their source parameters, especially duration, is challenging because of low signal-to-noise ratio. Although the duration of S-SSEs in the Nankai subduction zone has been estimated using tiltmeters, its regional variation has never been quantitatively studied. We developed an S-SSE detection method to estimate both the fault model and duration with their errors based on the detection methods developed by previous studies and applied it to a 23-year period of GNSS data in the Nankai subduction zone. We extracted S-SSE signals by calculating correlation coefficients between the GNSS time series and a synthetic template representing the time evolution of an S-SSE and by computing the average of correlation coefficients weighted by the predicted S-SSE signals. We enhanced the signals for duration estimation by stacking GNSS time series weighted by displacements calculated from the estimated fault model. By applying the developed method, we detected 284 S-SSEs from 1997 to 2020 in the Nankai subduction zone from Tokai to Kyushu and discussed their regional characteristics. The results include some newly detected S-SSEs, including events accompanying very low-frequency earthquakes and repeating earthquakes in offshore Kyushu. Our study provides the first geodetic evidence for synchronization of S-SSEs and other seismic phenomena in offshore Kyushu. We estimated the cumulative slip and duration, and their error carefully. We also estimated the average slip rate by dividing the cumulative slip by the cumulative duration. This study clarified that the average slip rate in western Shikoku was approximately twice as that in eastern Shikoku and Kyushu. These regional differences were statistically significant at the 95% confidence interval. Multiple factors can influence the regional characteristics of S-SSEs, and we speculate that the subducting plate interface geometry is one of the dominant factors.
- DOI
- 10.1186/s40623-022-01576-8
- 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) 2022.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 4 of Development of a detection method for short-term slow slip events using GNSS data and its application to the Nankai subduction zoneAdditional file 3 of Development of a detection method for short-term slow slip events using GNSS data and its application to the Nankai subduction zoneAdditional file 1 of Development of a detection method for short-term slow slip events using GNSS data and its application to the Nankai subduction zoneAdditional file 2 of Development of a detection method for short-term slow slip events using GNSS data and its application to the Nankai subduction zone
- 関連情報（URI）
- 参照
- A review on slow earthquakes in the Japan TrenchSystematic Detection of Short‐Term Slow Slip Events in Southcentral AlaskaDevelopment of an epidemic-type aftershock-sequence model explicitly incorporating the seismicity-triggering effects of slow slip eventsAlong-strike distribution of seismicity and large slow slip correlated with gravity at the Nankai TroughLong-term slow slip events with and without tremor activation in the Bungo Channel and Hyuganada, southwest JapanDeep plutonic bodies over low-frequency earthquakes revealed from receiver-side Green's functionsEight-year catalog of deep short-term slow slip events at the Nankai trough based on objective detection algorithm using strain and tilt recordsInvestigation on short-term slow slip events in the northeast Japan subduction zones using decadal GNSS dataSpatiotemporal evolution of a deep short-term slow slip event in the Nankai subduction zone in November 2022 derived from strain, tilt, and GNSS recordsNumerical experiment toward simultaneous estimation of the spatiotemporal evolution of interseismic fault slips and block motions in southwest JapanDetection and Characterization of Earthquake Swarms in Nankai and Its Association With Slow Slip EventsReduction of non-tidal oceanographic fluctuations in ocean-bottom pressure records of DONET using principal component analysis to enhance transient tectonic detectabilityA review of shallow slow earthquakes along the Nankai TroughReduction of non-tidal oceanographic fluctuations in ocean bottom pressure records of DONET using principal component analysis to enhance tectonic transient detectabilityRecent advances in earthquake seismology using machine learningThick 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
- Rapid dike intrusion into Sakurajima volcano on August 15, 2015, as detected by multi-parameter ground deformation observationsConnecting slow earthquakes to large earthquakesEpisodic tremor and slip silently invades strongly locked megathrust in the Nankai TroughSlow Slip Events in the Kanto and Tokai Regions of Central Japan Detected Using Global Navigation Satellite System Data During 1994–2020Slow Earthquakes Illuminating Interplate Coupling Heterogeneities in Subduction ZonesA geodetic matched filter search for slow slip with application to the Mexico subduction zoneTransient fault slip in Guerrero, southern MexicoGlobal topography and bathymetry grid improves research effortsSlow slip rate and excitation efficiency of deep low-frequency tremors beneath southwest JapanSpatiotemporal slip distributions of three long-term slow slip events beneath the Bungo Channel, southwest Japan, inferred from inversion analyses of GPS dataStrain partitioning and interplate coupling along the northern margin of the Philippine Sea plate, estimated from Global Navigation Satellite System and Global Positioning System-Acoustic dataCrustal velocity field of southwest Japan: Subduction and arc‐arc collisionNonvolcanic Deep Tremor Associated with Subduction in Southwest JapanThe frictional, hydrologic, metamorphic and thermal habitat of shallow slow earthquakesMechanical and hydrological effects of seamount subduction on megathrust stress and slipOn the biannually repeating slow‐slip events at the Ryukyu Trench, southwestern JapanITRF2014: A new release of the International Terrestrial Reference Frame modeling nonlinear station motionsSurface deformation due to shear and tensile faults in a half-spaceAlong‐Strike Variation and Migration of Long‐Term Slow Slip Events in the Western Nankai Subduction Zone, JapanMigration of shallow and deep slow earthquakes toward the locked segment of the Nankai megathrustEpisodic slow slip events accompanied by non‐volcanic tremors in southwest Japan subduction zoneGeneric Mapping Tools: Improved Version ReleasedLow-frequency earthquakes in Shikoku, Japan, and their relationship to episodic tremor and slipShallow slow slip events along the Nankai Trough detected by GNSS-AGipsyX/RTGx, a new tool set for space geodetic operations and researchPossible shallow slow slip events in Hyuga‐nada, Nankai subduction zone, inferred from migration of very low frequency earthquakesRecurring and triggered slow-slip events near the trench at the Nankai Trough subduction megathrustSpatial and temporal evolution of stress and slip rate during the 2000 Tokai slow earthquakeSlow slip on the northern Hikurangi subduction interface, New ZealandCoseismic slip resolution along a plate boundary megathrust: The Nankai Trough, southwest JapanSpatiotemporal Evolution of Long‐ and Short‐Term Slow Slip Events in the Tokai Region, Central Japan, Estimated From a Very Dense GNSS Network During 2013–2016Spatiotemporal distribution of seismic energy radiation from low‐frequency tremor in western Shikoku, JapanSouthern California permanent GPS geodetic array: Spatial filtering of daily positions for estimating coseismic and postseismic displacements induced by the 1992 Landers earthquakeSlow slip events controlled by the slab dip and its lateral change along a trenchIntense foreshocks and a slow slip event preceded the 2014 Iquique <i>M</i> <sub>w</sub> 8.1 earthquakeCharacteristic silent earthquakes in the eastern part of the Boso peninsula, Central JapanDetection of short‐term slow slip events along the Nankai Trough, southwest Japan, using GNSS dataA slow thrust slip event following the two 1996 Hyuganada Earthquakes beneath the Bungo Channel, southwest JapanEpisodic Tremor and Slip on the Cascadia Subduction Zone: The Chatter of Silent SlipSlip rate and tremor genesis in CascadiaDepth‐dependent activity of non‐volcanic tremor in southwest JapanSlow slip events in the roots of the San Andreas faultAlong‐strike variations in short‐term slow slip events in the southwest Japan subduction zoneA maximum likelihood approach to nonlinear inversion under constraintsCrustal deformation caused by magma migration in the northern Izu Islands, JapanSlow Earthquakes Coincident with Episodic Tremors and Slow Slip EventsA large slow slip event and the depth of the seismogenic zone in the south central Alaska subduction zoneA Silent Slip Event on the Deeper Cascadia Subduction Interface地殻変動検出のためのスタッキング手法の開発歪計により観測された東海地域の短期的スロースリップ（1984～2005年）Repeating short- and long-term slow slip events with deep tremor activity around Bungo channel region, southwest JapanLong-term slow slip events along the Nankai trough delayed by the 2016 Kumamoto earthquake, JapanShort-term slow slip events along the Ryukyu Trench, southwestern Japan, observed by continuous GNSSA possible restart of an interplate slow slip adjacent to the Tokai seismic gap in JapanCombined logarithmic and exponential function model for fitting postseismic GNSS time series after 2011 Tohoku-Oki earthquakeObjective detection of long-term slow slip events along the Nankai Trough using GNSS data (1996–2016)Volume change of the magma reservoir relating to the 2011 Kirishima Shinmoe-dake eruption : charging, discharging and recharging process inferred from GPS measurements
- 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CrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossref
- 書誌ID（NDLBibID）
- 12287086