{"@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/1361699995636822912.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1029/2018gl081163"}},{"identifier":{"@type":"URI","@value":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1029%2F2018GL081163"}},{"identifier":{"@type":"URI","@value":"https://onlinelibrary.wiley.com/doi/pdf/10.1029/2018GL081163"}},{"identifier":{"@type":"URI","@value":"https://onlinelibrary.wiley.com/doi/full-xml/10.1029/2018GL081163"}},{"identifier":{"@type":"URI","@value":"https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/2018GL081163"}}],"dc:title":[{"@value":"Early Forecast of Long‐Period Ground Motions via Data Assimilation of Observed Ground Motions and Wave Propagation Simulations"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:title>Abstract</jats:title><jats:p>We propose an efficient approach for the early forecast of long‐period (> 3–10 s) ground motions generated in sedimentary basins by large earthquakes based on the data assimilation of observed ground motions and finite‐difference method simulations of seismic wave propagation in a 3‐D heterogeneous structure. This approach uses the dense K‐NET and KiK‐net nationwide networks in Japan and a high‐performance supercomputer to perform forecasts using the assimilated wavefields at speeds much faster than the actual wave propagation speed. Therefore, an early alert can be issued prior to the occurrence of strong motions in basins due to large, distant earthquakes. We validated the effectiveness of this data‐assimilation‐based forecast approach via numerical tests for the early forecast of long‐period ground motions in central Tokyo using the observed waveform data from the Mw6.6 2007 Off Niigata and Mw9.0 2011 Off Tohoku earthquakes.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1381699995636822786","@type":"Researcher","foaf:name":[{"@value":"Takashi Furumura"}],"jpcoar:affiliationName":[{"@value":"Earthquake Research Institute The University of Tokyo  Tokyo Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699995636822784","@type":"Researcher","foaf:name":[{"@value":"Takuto Maeda"}],"jpcoar:affiliationName":[{"@value":"Graduate School of Science and Technology Hirosaki University  Hirosaki City Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699995636822785","@type":"Researcher","foaf:name":[{"@value":"Atsuki Oba"}],"jpcoar:affiliationName":[{"@value":"Earthquake Research Institute The University of Tokyo  Tokyo Japan"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00948276"},{"@type":"EISSN","@value":"19448007"}],"prism:publicationName":[{"@value":"Geophysical Research Letters"}],"dc:publisher":[{"@value":"American Geophysical Union (AGU)"}],"prism:publicationDate":"2019-01-11","prism:volume":"46","prism:number":"1","prism:startingPage":"138","prism:endingPage":"147"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","dc:rights":["http://onlinelibrary.wiley.com/termsAndConditions#vor"],"url":[{"@id":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1029%2F2018GL081163"},{"@id":"https://onlinelibrary.wiley.com/doi/pdf/10.1029/2018GL081163"},{"@id":"https://onlinelibrary.wiley.com/doi/full-xml/10.1029/2018GL081163"},{"@id":"https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/2018GL081163"}],"createdAt":"2018-12-26","modifiedAt":"2023-09-09","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360009142588857088","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"A Tsunami Warning System Based on Offshore Bottom Pressure Gauges and Data Assimilation for Crete Island in the Eastern Mediterranean Basin"}]},{"@id":"https://cir.nii.ac.jp/crid/1360290617488498816","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Data Assimilation‐Based Early Forecasting of Long‐Period Ground Motions for Large Earthquakes Along the Nankai Trough"}]},{"@id":"https://cir.nii.ac.jp/crid/1360572092412204928","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"High-resolution source imaging based on time-reversal wave propagation simulations using assimilated dense seismic records"}]},{"@id":"https://cir.nii.ac.jp/crid/1360580230592323584","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Real-Time Prediction of Impending Ground Shaking: Review of Wavefield-Based (Ground-Motion-Based) Method for Earthquake Early Warning"}]},{"@id":"https://cir.nii.ac.jp/crid/1360861704768780416","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Development of a coupler h3-Open-UTIL/MP"}]},{"@id":"https://cir.nii.ac.jp/crid/1361694592917870464","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Too-Late Warnings by Estimating Mw: Earthquake Early Warning in the Near-Fault Region"}]},{"@id":"https://cir.nii.ac.jp/crid/1390283659860577024","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Prior and Real-Time Estimations of Ground Motions, Tsunamis, and Other Geodynamic Hazards"}]},{"@id":"https://cir.nii.ac.jp/crid/1390567172576365056","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Data Assimilation towards the Understanding and Prediction of Slip Behavior on Subducting Plates and Better Reconstruction of Seismic Wavefields"},{"@language":"ja","@value":"データ同化に基づく断層すべりの理解·予測と波動場推定の高度化に向けた研究"},{"@value":"データ同化に基づく断層すべりの理解・予測と波動場推定の高度化に向けた研究"},{"@language":"ja-Kana","@value":"データ ドウカ ニ モトズク ダンソウスベリ ノ リカイ ・ ヨソク ト ハドウジョウ スイテイ ノ コウドカ ニ ムケタ ケンキュウ"}]},{"@id":"https://cir.nii.ac.jp/crid/2050870367075046400","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Adjoint-based direct data assimilation of GNSS time series for optimizing frictional parameters and predicting postseismic deformation following the 2003 Tokachi-oki earthquake"}]}],"dataSourceIdentifier":[{"@type":"CROSSREF","@value":"10.1029/2018gl081163"},{"@type":"OPENAIRE","@value":"doi_dedup___::136645acafef4afc733428bff1eb651d"},{"@type":"CROSSREF","@value":"10.20965/jdr.2020.p0144_references_DOI_NrvPH4fbFIDvyhCITltRCtBLk8U"},{"@type":"CROSSREF","@value":"10.1029/2020jb020293_references_DOI_NrvPH4fbFIDvyhCITltRCtBLk8U"},{"@type":"CROSSREF","@value":"10.1785/0120190306_references_DOI_NrvPH4fbFIDvyhCITltRCtBLk8U"},{"@type":"CROSSREF","@value":"10.1029/2019jb019047_references_DOI_NrvPH4fbFIDvyhCITltRCtBLk8U"},{"@type":"CROSSREF","@value":"10.4294/zisin.2019-9_references_DOI_NrvPH4fbFIDvyhCITltRCtBLk8U"},{"@type":"CROSSREF","@value":"10.1093/gji/ggaa586_references_DOI_NrvPH4fbFIDvyhCITltRCtBLk8U"},{"@type":"CROSSREF","@value":"10.3389/feart.2021.722784_references_DOI_NrvPH4fbFIDvyhCITltRCtBLk8U"},{"@type":"CROSSREF","@value":"10.1186/s40623-020-01293-0_references_DOI_NrvPH4fbFIDvyhCITltRCtBLk8U"},{"@type":"CROSSREF","@value":"10.1145/3492805.3492809_references_DOI_NrvPH4fbFIDvyhCITltRCtBLk8U"}]}