{"id":"https://openalex.org/W1968408090","doi":"https://doi.org/10.4294/jpe1952.29.267","title":"Crustal structure in a profile off the pacific coast of Northeastern Japan by the refraction method with ocean bottom seismometers.","display_name":"Crustal structure in a profile off the pacific coast of Northeastern Japan by the refraction method with ocean bottom seismometers.","publication_year":1981,"publication_date":"1981-01-01","ids":{"openalex":"https://openalex.org/W1968408090","doi":"https://doi.org/10.4294/jpe1952.29.267","mag":"1968408090"},"language":"en","primary_location":{"id":"doi:10.4294/jpe1952.29.267","doi":"https://doi.org/10.4294/jpe1952.29.267","is_oa":true,"landing_page_url":"https://doi.org/10.4294/jpe1952.29.267","pdf_url":"https://www.jstage.jst.go.jp/article/jpe1952/29/4/29_4_267/_pdf","source":{"id":"https://openalex.org/S2764399782","display_name":"Journal of Physics of the Earth","issn_l":"0022-3743","issn":["0022-3743","1884-2305"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4324113247","host_organization_name":"Seismological Society of Japan","host_organization_lineage":["https://openalex.org/P4324113247"],"host_organization_lineage_names":["Seismological Society of Japan"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Physics of the Earth","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://www.jstage.jst.go.jp/article/jpe1952/29/4/29_4_267/_pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5111391835","display_name":"Shuzo Asano","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1314466530","display_name":"Tokai University","ror":"https://ror.org/01p7qe739","country_code":"JP","type":"education","lineage":["https://openalex.org/I1314466530"]},{"id":"https://openalex.org/I4405268836","display_name":"Earthquake Research Institute, University of Tokyo","ror":"https://ror.org/027j3zg65","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405268836"]},{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shuzo ASANO","raw_affiliation_strings":["Earthquake Research Institute, the University of Tokyo","Ocean Research Institute, Tokai University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Earthquake Research Institute, the University of Tokyo","institution_ids":["https://openalex.org/I4405268836","https://openalex.org/I74801974"]},{"raw_affiliation_string":"Ocean Research Institute, Tokai University","institution_ids":["https://openalex.org/I1314466530"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102113995","display_name":"Toshihiko Yamada","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Toshihiko YAMADA","raw_affiliation_strings":["Geophysical Institute, the University of Tokyo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Geophysical Institute, the University of Tokyo","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077468632","display_name":"Kiyoshi Suyehiro","orcid":"https://orcid.org/0000-0002-2309-1086","observed_orcids":["https://orcid.org/0000-0002-2309-1086"]},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kiyoshi SUYEHIRO","raw_affiliation_strings":["Geophysical Institute, the University of Tokyo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Geophysical Institute, the University of Tokyo","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112271588","display_name":"Toshikatsu YOSHII","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1314466530","display_name":"Tokai University","ror":"https://ror.org/01p7qe739","country_code":"JP","type":"education","lineage":["https://openalex.org/I1314466530"]},{"id":"https://openalex.org/I4405268836","display_name":"Earthquake Research Institute, University of Tokyo","ror":"https://ror.org/027j3zg65","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405268836"]},{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Toshikatsu YOSHII","raw_affiliation_strings":["Earthquake Research Institute, the University of Tokyo","Ocean Research Institute, Tokai University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Earthquake Research Institute, the University of Tokyo","institution_ids":["https://openalex.org/I4405268836","https://openalex.org/I74801974"]},{"raw_affiliation_string":"Ocean Research Institute, Tokai University","institution_ids":["https://openalex.org/I1314466530"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015394153","display_name":"Yoshibumi Misawa","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1314466530","display_name":"Tokai University","ror":"https://ror.org/01p7qe739","country_code":"JP","type":"education","lineage":["https://openalex.org/I1314466530"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yoshibumi MISAWA","raw_affiliation_strings":["Faculty of Marine Science and Technology, Tokai University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Marine Science and Technology, Tokai University","institution_ids":["https://openalex.org/I1314466530"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5048999573","display_name":"Susumu Iizuka","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1314466530","display_name":"Tokai University","ror":"https://ror.org/01p7qe739","country_code":"JP","type":"education","lineage":["https://openalex.org/I1314466530"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Susumu IIZUKA","raw_affiliation_strings":["Faculty of Marine Science and Technology, Tokai University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Marine Science and Technology, Tokai University","institution_ids":["https://openalex.org/I1314466530"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.9707,"has_fulltext":true,"cited_by_count":29,"citation_normalized_percentile":{"value":0.85257807,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"29","issue":"4","first_page":"267","last_page":"281"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13177","display_name":"Geological and Geophysical Studies","score":0.6664999723434448,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T13177","display_name":"Geological and Geophysical Studies","score":0.6664999723434448,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10110","display_name":"earthquake and tectonic studies","score":0.2921999990940094,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11757","display_name":"Seismic Waves and Analysis","score":0.009600000455975533,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/crustal-structure","display_name":"crustal structure","score":0.9950000047683716},{"id":"https://openalex.org/keywords/upper-mantle-structure","display_name":"upper mantle structure","score":0.8090000152587891},{"id":"https://openalex.org/keywords/crustal-thickness","display_name":"crustal thickness","score":0.8050000071525574},{"id":"https://openalex.org/keywords/pn-velocity","display_name":"Pn velocity","score":0.7720000147819519},{"id":"https://openalex.org/keywords/seismic-refraction","display_name":"seismic refraction","score":0.6000000238418579},{"id":"https://openalex.org/keywords/ocean-bottom-seismometers","display_name":"ocean bottom seismometers","score":0.9710000157356262},{"id":"https://openalex.org/keywords/dynamite-explosion","display_name":"dynamite explosion","score":0.4880000054836273},{"id":"https://openalex.org/keywords/japan-trench","display_name":"Japan Trench","score":0.6549999713897705},{"id":"https://openalex.org/keywords/tectonics","display_name":"tectonics","score":0.828000009059906},{"id":"https://openalex.org/keywords/northeastern-honshu","display_name":"northeastern Honshu","score":0.7279999852180481},{"id":"https://openalex.org/keywords/pacific-coast-of-japan","display_name":"Pacific coast of Japan","score":0.6710000038146973}],"concepts":[{"id":"https://openalex.org/C119217923","wikidata":"https://www.wikidata.org/wiki/Q160567","display_name":"Seismometer","level":2,"score":0.8899919390678406},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.8898229598999023},{"id":"https://openalex.org/C155310634","wikidata":"https://www.wikidata.org/wiki/Q1852785","display_name":"Trench","level":3,"score":0.816092848777771},{"id":"https://openalex.org/C165205528","wikidata":"https://www.wikidata.org/wiki/Q83371","display_name":"Seismology","level":1,"score":0.7996428608894348},{"id":"https://openalex.org/C2776698055","wikidata":"https://www.wikidata.org/wiki/Q4232578","display_name":"Crust","level":2,"score":0.6897947788238525},{"id":"https://openalex.org/C2987703756","wikidata":"https://www.wikidata.org/wiki/Q468469","display_name":"Ocean bottom","level":2,"score":0.5557768940925598},{"id":"https://openalex.org/C77928131","wikidata":"https://www.wikidata.org/wiki/Q193343","display_name":"Tectonics","level":2,"score":0.5098101496696472},{"id":"https://openalex.org/C111461898","wikidata":"https://www.wikidata.org/wiki/Q2008968","display_name":"Seismic refraction","level":2,"score":0.45592430233955383},{"id":"https://openalex.org/C67236022","wikidata":"https://www.wikidata.org/wiki/Q4364434","display_name":"Mantle (geology)","level":2,"score":0.44332364201545715},{"id":"https://openalex.org/C154200439","wikidata":"https://www.wikidata.org/wiki/Q238851","display_name":"Oceanic crust","level":4,"score":0.42518937587738037},{"id":"https://openalex.org/C2984876570","wikidata":"https://www.wikidata.org/wiki/Q98","display_name":"Pacific ocean","level":2,"score":0.4182320535182953},{"id":"https://openalex.org/C8058405","wikidata":"https://www.wikidata.org/wiki/Q46255","display_name":"Geophysics","level":1,"score":0.28565680980682373},{"id":"https://openalex.org/C58097730","wikidata":"https://www.wikidata.org/wiki/Q176318","display_name":"Subduction","level":3,"score":0.26188910007476807},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.1797441840171814},{"id":"https://openalex.org/C2779227376","wikidata":"https://www.wikidata.org/wiki/Q6505497","display_name":"Layer (electronics)","level":2,"score":0.1192871630191803},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.4294/jpe1952.29.267","doi":"https://doi.org/10.4294/jpe1952.29.267","is_oa":true,"landing_page_url":"https://doi.org/10.4294/jpe1952.29.267","pdf_url":"https://www.jstage.jst.go.jp/article/jpe1952/29/4/29_4_267/_pdf","source":{"id":"https://openalex.org/S2764399782","display_name":"Journal of Physics of the Earth","issn_l":"0022-3743","issn":["0022-3743","1884-2305"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4324113247","host_organization_name":"Seismological Society of Japan","host_organization_lineage":["https://openalex.org/P4324113247"],"host_organization_lineage_names":["Seismological Society of Japan"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Physics of the Earth","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.4294/jpe1952.29.267","doi":"https://doi.org/10.4294/jpe1952.29.267","is_oa":true,"landing_page_url":"https://doi.org/10.4294/jpe1952.29.267","pdf_url":"https://www.jstage.jst.go.jp/article/jpe1952/29/4/29_4_267/_pdf","source":{"id":"https://openalex.org/S2764399782","display_name":"Journal of Physics of the Earth","issn_l":"0022-3743","issn":["0022-3743","1884-2305"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4324113247","host_organization_name":"Seismological Society of Japan","host_organization_lineage":["https://openalex.org/P4324113247"],"host_organization_lineage_names":["Seismological Society of Japan"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Physics of the Earth","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322832","display_name":"University of Tokyo","ror":"https://ror.org/057zh3y96"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1968408090.pdf","grobid_xml":"https://content.openalex.org/works/W1968408090.grobid-xml"},"referenced_works_count":5,"referenced_works":["https://openalex.org/W2069731751","https://openalex.org/W2076237895","https://openalex.org/W2082492557","https://openalex.org/W3000591362","https://openalex.org/W3005722147"],"related_works":["https://openalex.org/W586052506","https://openalex.org/W4252418536","https://openalex.org/W2607081104","https://openalex.org/W2998603796","https://openalex.org/W2068185813","https://openalex.org/W3119579287","https://openalex.org/W2015421193","https://openalex.org/W2137290416","https://openalex.org/W4232213854","https://openalex.org/W2082492557"],"abstract_inverted_index":{"In":[0],"October,":[1],"1978,":[2],"the":[3,10,14,25,29,58,70,73,83,90,102,109,114,118,128,134,144],"crust":[4,74],"and":[5,13,81,105,112,123],"upper":[6],"mantle":[7],"structure":[8,135],"between":[9],"northeastern":[11],"Honshu":[12],"Japan":[15],"trench":[16,26],"was":[17],"studied":[18],"in":[19,41,117,127],"a":[20,52,93],"profile":[21,120],"almost":[22,82],"parallel":[23],"to":[24],"axis":[27],"by":[28],"refraction":[30],"method":[31],"with":[32,51,92,125],"four":[33,47],"ocean":[34,48],"bottom":[35,49],"seismometers.":[36],"Sixteen":[37],"explosions":[38],"of":[39,54,61,72,95,133,137,143],"dynamite":[40],"total":[42],"were":[43],"carried":[44],"out":[45],"for":[46,79,140],"seismometers":[50],"spacing":[53],"about":[55,76,96],"90km.":[56],"Only":[57],"northern":[59],"two":[60],"which":[62],"could":[63],"be":[64],"retrieved.":[65],"The":[66],"results":[67],"show":[68],"that":[69,86,89,113,126],"thickness":[71],"is":[75,98,121],"25km":[77],"except":[78],"water":[80],"same":[84],"as":[85],"beneath":[87,108],"Honshu,":[88],"layer":[91],"velocity":[94,116],"6.0km/sec":[97],"fairly":[99],"thin":[100],"near":[101],"Pacific":[103],"coast":[104],"becomes":[106],"thicker":[107],"present":[110,119],"profile,":[111],"Pn":[115],"8.1km/sec":[122],"agrees":[124],"adjacent":[129],"areas.":[130],"These":[131],"features":[132],"are":[136],"basic":[138],"importance":[139],"studying":[141],"tectonics":[142],"island":[145],"arc-trench":[146],"system.":[147]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}
