{"@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/1050306506450198528.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"HDL","@value":"https://hdl.handle.net/2115/90355"}},{"identifier":{"@type":"DOI","@value":"10.1029/2022gl101064"}},{"identifier":{"@type":"URI","@value":"https://onlinelibrary.wiley.com/doi/pdf/10.1029/2022GL101064"}},{"identifier":{"@type":"URI","@value":"https://onlinelibrary.wiley.com/doi/full-xml/10.1029/2022GL101064"}},{"identifier":{"@type":"URI","@value":"https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/2022GL101064"}},{"identifier":{"@type":"DOI","@value":"10.1002/essoar.10512323.1"}},{"identifier":{"@type":"HANDLE","@value":"2115/90355"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@language":"en","@value":"Slow Fault Slip Signatures in Coseismic Ionospheric Disturbances"}],"dc:language":"en","description":[{"type":"Abstract","notation":[{"@language":"en","@value":"Rise times of earthquake moment release influence the spectra of seismic waves. For example, slow fault movements in tsunami earthquakes excite larger tsunamis than expected from intensities of \nshort-period seismic waves. Here we compare amplitudes of two different atmospheric waves, long-period internal gravity waves and short-period acoustic waves, excited by coseismic vertical crustal movements. We observe them as coseismic ionospheric disturbances by measuring ionospheric electrons using global navigation satellite systems. Four regular megathrust earthquakes Mw8.0–9.0 showed that the internal gravity waves become ten times stronger as the magnitude increases by one. We found that the 2010 Mentawai earthquake, a typical tsunami earthquake, excited internal gravity waves stronger than those expected by this empirical relationship.On the other hand, amplitudes of acoustic waves excited by tsunami earthquakes were normal. This suggests that slow fault ruptures excite long-period atmospheric waves efficiently, leaving a slow earthquake signature in ionospheric disturbances."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1030003658391232897","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"30280564"},{"@type":"NRID","@value":"1000030280564"},{"@type":"CINII_AUTHOR_ID","@value":"DA13034956"},{"@type":"URI","@value":"https://ci.nii.ac.jp/author/DA13034956#entity"},{"@type":"URI","@value":"https://viaf.org/viaf/NII%7CDA13034956"},{"@type":"NRID","@value":"9000001755070"},{"@type":"NRID","@value":"9000290381675"},{"@type":"NRID","@value":"9000290823868"},{"@type":"NRID","@value":"9000018697995"},{"@type":"NRID","@value":"9000277863306"},{"@type":"NRID","@value":"9000402133405"},{"@type":"NRID","@value":"9000411586826"},{"@type":"NRID","@value":"9000412057990"},{"@type":"NRID","@value":"9000242347792"},{"@type":"NRID","@value":"9000386095139"},{"@type":"NRID","@value":"9000380962859"},{"@type":"NRID","@value":"9000016882303"},{"@type":"NRID","@value":"9000016907243"},{"@type":"NRID","@value":"9000242347790"},{"@type":"NRID","@value":"9000018818055"},{"@type":"NRID","@value":"9000311495113"},{"@type":"NRID","@value":"9000318561347"},{"@type":"NRID","@value":"9000414550930"},{"@type":"NRID","@value":"9000242576889"},{"@type":"NRID","@value":"9000019024330"},{"@type":"NRID","@value":"9000017513809"},{"@type":"NRID","@value":"9000256137255"},{"@type":"NRID","@value":"9000018513727"},{"@type":"NRID","@value":"9000300218337"},{"@type":"NRID","@value":"9000239585583"},{"@type":"NRID","@value":"9000411586830"},{"@type":"NRID","@value":"9000342455194"},{"@type":"NRID","@value":"9000239866375"},{"@type":"NRID","@value":"9000398646569"},{"@type":"NRID","@value":"9000310326290"},{"@type":"NRID","@value":"9000282391148"},{"@type":"NRID","@value":"9000290381697"},{"@type":"NRID","@value":"9000411586831"},{"@type":"NRID","@value":"9000377387499"},{"@type":"NRID","@value":"9000016890003"},{"@type":"NRID","@value":"9000016890641"},{"@type":"NRID","@value":"9000016918553"},{"@type":"NRID","@value":"9000019247815"},{"@type":"NRID","@value":"9000267763596"},{"@type":"NRID","@value":"9000411586835"},{"@type":"NRID","@value":"9000019202096"},{"@type":"NRID","@value":"9000332224619"},{"@type":"NRID","@value":"9000375921503"},{"@type":"NRID","@value":"9000262351480"},{"@type":"NRID","@value":"9000277863309"},{"@type":"NRID","@value":"9000380962854"},{"@type":"NRID","@value":"9000254740803"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/kosukeheki"}],"foaf:name":[{"@language":"en","@value":"Heki, Kosuke"}]},{"@id":"https://cir.nii.ac.jp/crid/1070306506450198529","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Bagiya, Mala S."}]},{"@id":"https://cir.nii.ac.jp/crid/1070306506450198528","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Takasaka, Yuki"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00948276"},{"@type":"EISSN","@value":"19448007"}],"prism:publicationName":[{"@language":"en","@value":"Geophysical Research Letters"}],"dc:publisher":[{"@value":"American Geophysical Union"}],"prism:publicationDate":"2022-12-28","prism:volume":"49","prism:number":"24","prism:startingPage":"e2022GL101064"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","dc:rights":["Copyright 2022 American Geophysical Union."],"url":[{"@id":"https://onlinelibrary.wiley.com/doi/pdf/10.1029/2022GL101064"},{"@id":"https://onlinelibrary.wiley.com/doi/full-xml/10.1029/2022GL101064"},{"@id":"https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/2022GL101064"}],"foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=445","dc:title":"445"}],"dcterms:subject":[{"subjectScheme":"NDC","notation":[{"@value":"445"}]}],"project":[{"@id":"https://cir.nii.ac.jp/crid/1040848250652975488","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"20K04120"},{"@type":"JGN","@value":"JP20K04120"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-20K04120/"}],"notation":[{"@language":"ja","@value":"QZSS-TECの地震学・火山学・超高層物理学への応用"},{"@language":"en","@value":"Application of QZSS-TEC for seismology, volcanology, and upper atmospheric physics"}]}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050026736298508544","@type":"Article","resourceType":"学術雑誌論文(journal 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