{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1360004233477565824.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1038/s41598-017-03048-6"}},{"identifier":{"@type":"URI","@value":"https://www.nature.com/articles/s41598-017-03048-6.pdf"}},{"identifier":{"@type":"URI","@value":"https://www.nature.com/articles/s41598-017-03048-6"}},{"identifier":{"@type":"PMID","@value":"28588239"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@value":"Down-dip variations in a subducting low-velocity zone linked to episodic tremor and slip: a new constraint from ScSp waves"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:title>Abstract</jats:title><jats:p>Fluids are thought to play an important role in controlling episodic tremor and slow slip (ETS) in subduction zones. Therefore, constraining the along-dip distribution of fluids is necessary to better understand source mechanism of ETS, and particularly the role played by fluids in ETS generation. Here, we report clear observations of coherent <jats:italic>ScSp</jats:italic> phases with a dense seismic array in western Shikoku, Japan, where ETS has been most active over the past decade. Using numerical simulations of elastic-wave propagation to reproduce the observed <jats:italic>ScSp</jats:italic> phases, we demonstrate that, relative to shallower depths, either the V<jats:sub>p</jats:sub>/V<jats:sub>s</jats:sub> ratio or the thickness of a low-velocity zone (LVZ) within the subducting oceanic crust increases with depth beneath the mantle wedge corner where ETS has been observed. Based on these depth dependences of the structural elements, a wide semi-ductile shear zone appears to be lubricated by high-pressurized fluid in the subducting oceanic crust at ETS source depths, and to be a key factor regulating ETS activity.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1380004233477565708","@type":"Researcher","foaf:name":[{"@value":"Mitsuhiro Toya"}]},{"@id":"https://cir.nii.ac.jp/crid/1380004233477565832","@type":"Researcher","foaf:name":[{"@value":"Aitaro Kato"}]},{"@id":"https://cir.nii.ac.jp/crid/1380004233477565707","@type":"Researcher","foaf:name":[{"@value":"Takuto Maeda"}]},{"@id":"https://cir.nii.ac.jp/crid/1380004233477566083","@type":"Researcher","foaf:name":[{"@value":"Kazushige Obara"}]},{"@id":"https://cir.nii.ac.jp/crid/1380004233477565706","@type":"Researcher","foaf:name":[{"@value":"Tetsuya Takeda"}]},{"@id":"https://cir.nii.ac.jp/crid/1380004233477565824","@type":"Researcher","foaf:name":[{"@value":"Koshun Yamaoka"}]}],"publication":{"publicationIdentifier":[{"@type":"EISSN","@value":"20452322"}],"prism:publicationName":[{"@value":"Scientific Reports"}],"dc:publisher":[{"@value":"Springer Science and Business Media LLC"}],"prism:publicationDate":"2017-06-06","prism:volume":"7","prism:number":"1","prism:startingPage":"2868"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","dc:rights":["https://creativecommons.org/licenses/by/4.0","https://creativecommons.org/licenses/by/4.0"],"url":[{"@id":"https://www.nature.com/articles/s41598-017-03048-6.pdf"},{"@id":"https://www.nature.com/articles/s41598-017-03048-6"}],"createdAt":"2017-05-31","modifiedAt":"2022-12-23","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=Science","dc:title":"Science"},{"@id":"https://cir.nii.ac.jp/all?q=Q","dc:title":"Q"},{"@id":"https://cir.nii.ac.jp/all?q=R","dc:title":"R"},{"@id":"https://cir.nii.ac.jp/all?q=Medicine","dc:title":"Medicine"},{"@id":"https://cir.nii.ac.jp/all?q=Article","dc:title":"Article"}],"project":[{"@id":"https://cir.nii.ac.jp/crid/1040282256879561344","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"16H06473"},{"@type":"JGN","@value":"JP16H06473"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PLANNED-16H06473/"}],"notation":[{"@language":"ja","@value":"海陸機動的観測に基づくスロー地震発生様式の解明"},{"@language":"en","@value":"Study on the Mechanisms Ivolved in the Occurrence of Slow Earthquakes Based on Temporal Inland and Offshore Observations"}]}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050001202746187904","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Three-dimensional seismic velocity structure and configuration of the Philippine Sea slab in southwestern Japan estimated by double-difference tomography"}]},{"@id":"https://cir.nii.ac.jp/crid/1050303564712995328","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Non-volcanic tremor resulting from the combined effect of Earth tides and slow slip events"}]},{"@id":"https://cir.nii.ac.jp/crid/1360011145257046528","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Reflection signature of seismic and aseismic slip on the northern Cascadia subduction interface"}]},{"@id":"https://cir.nii.ac.jp/crid/1360011146029635072","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Short‐term slow slip and correlated tremor episodes in the Tokai region, central Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1360285707112072064","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Scattering of teleseismic P-waves by the Japan Trench: A significant effect of reverberation in the seawater column"}]},{"@id":"https://cir.nii.ac.jp/crid/1360292617909532032","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"New, improved version of generic mapping tools released"}]},{"@id":"https://cir.nii.ac.jp/crid/1360292618620733824","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Precursors to ScS Phases and dipping interface in the upper mantle beneath southwestern Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1360292620207358720","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Subduction factory 2. Are intermediate‐depth earthquakes in subducting slabs linked to metamorphic dehydration reactions?"}]},{"@id":"https://cir.nii.ac.jp/crid/1360292621475225984","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Imaging the Plate Interface in the Cascadia Seismogenic Zone: New Constraints from Offshore Receiver Functions"}]},{"@id":"https://cir.nii.ac.jp/crid/1360567188144035840","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Seismic- and Tsunami-Wave Propagation of the 2011 Off the Pacific Coast of Tohoku Earthquake as Inferred from the Tsunami-Coupled Finite-Difference Simulation"}]},{"@id":"https://cir.nii.ac.jp/crid/1360574092886258944","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Low-frequency earthquakes in Shikoku, Japan, and their relationship to episodic tremor and slip"}]},{"@id":"https://cir.nii.ac.jp/crid/1360574092889866368","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"High Pore Fluid Pressure May Cause Silent Slip in the Nankai Trough"}]},{"@id":"https://cir.nii.ac.jp/crid/1360584339765821056","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Sleeping Beauty transposon mutagenesis identified genes and pathways involved in inflammation-associated colon tumor development"}]},{"@id":"https://cir.nii.ac.jp/crid/1360855569965207552","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Imaging the source region of Cascadia tremor and intermediate-depth earthquakes"}]},{"@id":"https://cir.nii.ac.jp/crid/1361418519990447360","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Study of the structure of the slab-mantle interface using reflected and converted seismic waves"}]},{"@id":"https://cir.nii.ac.jp/crid/1361699994493371648","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Localized seismic anisotropy associated with long‐term slow‐slip events beneath southern Mexico"}]},{"@id":"https://cir.nii.ac.jp/crid/1361699994853040640","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Seismic evidence for overpressured subducted oceanic crust and megathrust fault sealing"}]},{"@id":"https://cir.nii.ac.jp/crid/1361981469531470976","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Seismic reflection images of the crust of the northern part of the Chugach Terrane, Alaska: Results of a survey for the Trans‐Alaska Crustal Transect (TACT)"}]},{"@id":"https://cir.nii.ac.jp/crid/1361981470987534592","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"High-VP/VS zone accompanying non-volcanic tremors and slow-slip events beneath southwestern Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1362544419145567232","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"The Moho in subduction zones"}]},{"@id":"https://cir.nii.ac.jp/crid/1362544419390374016","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Tidal Modulation of Nonvolcanic Tremor"}]},{"@id":"https://cir.nii.ac.jp/crid/1362544420329762688","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Detection of short‐term slow slip events along the Nankai Trough, southwest Japan, using GNSS data"}]},{"@id":"https://cir.nii.ac.jp/crid/1362544420390135936","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Serpentinites, Peridotites, and Seismology"}]},{"@id":"https://cir.nii.ac.jp/crid/1362544420856893184","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Nature of the low velocity zone in Cascadia from receiver function waveform inversion"}]},{"@id":"https://cir.nii.ac.jp/crid/1362825893708745984","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Broad depth range seismic imaging of the subducted Nazca Slab, North Chile"}]},{"@id":"https://cir.nii.ac.jp/crid/1363107369220609920","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Mélange rheology and seismic style"}]},{"@id":"https://cir.nii.ac.jp/crid/1363107369380756992","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Interference of long-period seismic wavefield observed by the dense Hi-net array in Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1363107370028286592","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Variations of fluid pressure within the subducting oceanic crust and slow earthquakes"}]},{"@id":"https://cir.nii.ac.jp/crid/1363107370947380352","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Low friction and fault weakening revealed by rising sensitivity of tremor to tidal stress"}]},{"@id":"https://cir.nii.ac.jp/crid/1363388843369865856","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Teleseismic constraints on the geological environment of deep episodic slow earthquakes in subduction zone forearcs: A review"}]},{"@id":"https://cir.nii.ac.jp/crid/1363388844242379392","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Episodic Tremor and Slip on the Cascadia Subduction Zone: The Chatter of Silent Slip"}]},{"@id":"https://cir.nii.ac.jp/crid/1363670321184838400","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Along‐strike structural changes controlled by dehydration‐related fluids within the Philippine Sea plate around the segment boundary of a megathrust earthquake beneath the Kii peninsula, southwest Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1363951793876146816","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Slow slip events and seismic tremor at circum‐Pacific subduction zones"}]},{"@id":"https://cir.nii.ac.jp/crid/1363951795525881984","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Cascadia subducting plate fluids channelled to fore‐arc mantle corner: ETS and silica deposition"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204304594304","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"浦河で観測された<i>ScS</i>波の先駆波と上部マントル構造"},{"@language":"en","@value":"Forerunners of <i>ScS</i> Waves from Nearby Deep Earthquakes and Upper Mantle Structure in Hokkaido"},{"@value":"浦河で観測されたScS波の先駆波と上部マントル構造"},{"@language":"ja-Kana","@value":"ウラカワ デ カンソク サレタ ScSハ ノ センクハ ト ジョウブ マントル コウゾウ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206512426624","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Recent progress of seismic observation networks in Japan"},{"@value":"Recent progress of seismic observation networks in Japan--Hi-net, F-net, K-NET and KiK-net"},{"@value":"Recent progress of seismic observation networks in Japan —Hi-net, F-net, K-NET and KiK-net—"},{"@value":"Recent progress of seismic observation networks in Japan—Hi-net, F-net, K-NET and KiK-net"},{"@value":"Recent progress of seismic observation networks in Japan—Hi‐net, F‐net, K‐NET and KiK‐net—"},{"@value":"Recent progress of seismic observation networks in Japan–Hi-net, F-net, K-net and KiK-net—"},{"@value":"Recent progress of seismic observation network in Japan --H-net, F-net, K-NET and KiK-net"},{"@value":"Recent progress of seismic observation networks in Japan⿢Hi-net and F-net and K-NET and KiK-net"}]},{"@id":"https://cir.nii.ac.jp/crid/2051714791980357120","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"OpenSWPC : an open-source integrated parallel simulation code for modeling seismic wave propagation in 3D heterogeneous viscoelastic media"}]},{"@id":"https://cir.nii.ac.jp/crid/2051714792046932736","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Non-volcanic seismic swarm and fluid transportation driven by subduction of the Philippine Sea slab beneath the Kii Peninsula, Japan"}]}],"dataSourceIdentifier":[{"@type":"CROSSREF","@value":"10.1038/s41598-017-03048-6"},{"@type":"KAKEN","@value":"PRODUCT-21625983"},{"@type":"OPENAIRE","@value":"doi_dedup___::95c9b4ab17ea791ece9d8681030759d3"},{"@type":"CROSSREF","@value":"10.1186/s40623-017-0687-2_references_DOI_FMXwkVTT0MSPtbCCXJZOFNvfCza"},{"@type":"CROSSREF","@value":"10.1038/s41467-023-42228-z_references_DOI_FMXwkVTT0MSPtbCCXJZOFNvfCza"}]}