{"@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/1390282679282181504.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.4294/zisin1948.57.1_11"}},{"identifier":{"@type":"NDL_BIB_ID","@value":"7075214"}},{"identifier":{"@type":"URI","@value":"http://id.ndl.go.jp/bib/7075214"}},{"identifier":{"@type":"URI","@value":"https://ndlsearch.ndl.go.jp/books/R000000004-I7075214"}},{"identifier":{"@type":"URI","@value":"https://www.jstage.jst.go.jp/article/zisin1948/57/1/57_1_11/_pdf"}},{"identifier":{"@type":"NAID","@value":"10013540386"}}],"dc:title":[{"@language":"ja","@value":"火山から離れた地域で発生している深部低周波微動・地震"},{"@language":"en","@value":"Low-frequency Events away from Volcanoes in the Japan Islands"},{"@value":"火山から離れた地域で発生している深部低周波微動・地震--その分布と発生原因"},{"@language":"ja-Kana","@value":"カザン カラ ハナレタ チイキ デ ハッセイ シテ イル シンブ テイシュウハ ビドウ ジシン ソノ ブンプ ト ハッセイ ゲンイン"}],"dcterms:alternative":[{"@language":"ja","@value":"―その分布と発生原因―"}],"description":[{"type":"abstract","notation":[{"@language":"en","@value":"In recent years, improved seismic networks in Japan have detected low-frequency events near the Mohorovicic discontinuity, but away from volcanoes. These can be classified as two types: low-frequency earthquakes (LFE) and low-frequency tremors (LFT). Source regions for LFE are distributed in isolated locations throughout Japan, while those for LFT are distributed within a belt in western Japan. Although LFE immediately below volcanoes have been previously recognized, LFE away from volcanoes represent new observations. These LFE are found specifically both in the back-arc of the volcanic front in northeastern Japan, and to the north of the LFT belt in western Japan. LFE and LFT have long durations, suggesting the involvement of fluids in their generation. This study considers the source processes that trigger LFE and LFT, using the results of high pressure and temperature experiments on water-saturated oceanic basalt and peridotite as a model. Such materials are representative of those in and around the descending slab. In the case of LFT in western Japan, the model provides, as a possible trigger, the water released by the dehydration of chlorite and forming clinopyroxene in the basalt of the descending Philippine Sea Plate. On the other hand, in the case of LFE throughout Japan, not only water from the slab but also magma generated in the slab and mantle wedge and high temperature fluid derived from the magma are possible triggers. Because LFE have clear P-wave onsets, some sort of fracture is likely to be involved in the generation of LFE. LFE and LFT are expected to be indicators useful in earthquake prediction, but the relationships between large earthquakes or earthquake swarms and the occurrence of LFE and LFT are yet to be determined."}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1410017422703762560","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"70906891"},{"@type":"NRID","@value":"1000070906891"},{"@type":"NRID","@value":"9000001318787"},{"@type":"NRID","@value":"9000004601703"},{"@type":"NRID","@value":"9000414560966"},{"@type":"NRID","@value":"9000020752152"},{"@type":"NRID","@value":"9000254530237"},{"@type":"NRID","@value":"9000009408656"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/noriko_kamaya"}],"foaf:name":[{"@language":"ja","@value":"鎌谷 紀子"},{"@language":"en","@value":"KAMAYA Noriko"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Seismological and Volcanological Department, Japan Meteorological Agency"},{"@language":"ja","@value":"気象庁地震火山部"}]},{"@id":"https://cir.nii.ac.jp/crid/1420282801201715200","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"80414514"},{"@type":"NRID","@value":"1000080414514"},{"@type":"NRID","@value":"9000014187673"},{"@type":"NRID","@value":"9000241825612"},{"@type":"NRID","@value":"9000007580439"},{"@type":"NRID","@value":"9000364793985"},{"@type":"NRID","@value":"9000254740360"},{"@type":"NRID","@value":"9000256137768"},{"@type":"NRID","@value":"9000257979072"},{"@type":"NRID","@value":"9000412185648"},{"@type":"NRID","@value":"9000283228300"},{"@type":"NRID","@value":"9000283310699"},{"@type":"NRID","@value":"9000283228443"},{"@type":"NRID","@value":"9000000648984"},{"@type":"NRID","@value":"9000317150672"},{"@type":"NRID","@value":"9000248220217"},{"@type":"NRID","@value":"9000000648981"},{"@type":"NRID","@value":"9000254740361"},{"@type":"NRID","@value":"9000283228364"},{"@type":"NRID","@value":"9000283228367"},{"@type":"NRID","@value":"9000391406510"},{"@type":"NRID","@value":"9000257978970"},{"@type":"NRID","@value":"9000351079636"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/akio_katsumata"}],"foaf:name":[{"@language":"ja","@value":"勝間田 明男"},{"@language":"en","@value":"KATSUMATA Akio"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Meteorological College"},{"@language":"ja","@value":"気象庁気象大学校"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00371114"},{"@type":"LISSN","@value":"00371114"},{"@type":"EISSN","@value":"18839029"},{"@type":"EISSN","@value":"2186599X"},{"@type":"NDL_BIB_ID","@value":"000000009860"},{"@type":"ISSN","@value":"00371114"},{"@type":"NCID","@value":"AN00305741"}],"prism:publicationName":[{"@language":"en","@value":"Zisin (Journal of the Seismological Society of Japan. 2nd ser.)"},{"@language":"ja","@value":"地震　第２輯"},{"@value":"地震　第2輯"},{"@language":"ja","@value":"地震"},{"@language":"ja","@value":"地震　第２輯"},{"@language":"en","@value":"JSSJ"},{"@language":"en","@value":"Zisin"},{"@language":"en","@value":"BSSJ"},{"@language":"en","@value":"Zisin (Journal of the Seismological Society of Japan. 2nd ser.)"},{"@language":"en","@value":"Zisin1"},{"@language":"ja","@value":"地震１"},{"@language":"ja","@value":"地震　第１輯"}],"dc:publisher":[{"@language":"en","@value":"SEISMOLOGICAL SOCIETY OF JAPAN"},{"@language":"ja","@value":"公益社団法人 日本地震学会"}],"prism:publicationDate":"2004","prism:volume":"57","prism:number":"1","prism:startingPage":"11","prism:endingPage":"28"},"reviewed":"false","url":[{"@id":"http://id.ndl.go.jp/bib/7075214"},{"@id":"https://ndlsearch.ndl.go.jp/books/R000000004-I7075214"},{"@id":"https://www.jstage.jst.go.jp/article/zisin1948/57/1/57_1_11/_pdf"}],"availableAt":"2004","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=Low-frequency%20earthquake","dc:title":"Low-frequency earthquake"},{"@id":"https://cir.nii.ac.jp/all?q=Low-frequency%20tremor","dc:title":"Low-frequency tremor"},{"@id":"https://cir.nii.ac.jp/all?q=Slab","dc:title":"Slab"},{"@id":"https://cir.nii.ac.jp/all?q=Dehydration","dc:title":"Dehydration"},{"@id":"https://cir.nii.ac.jp/all?q=Earthquake%20prediction","dc:title":"Earthquake prediction"}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050001202726471680","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"Three-dimensional structure of V_p, V_s, and V_p/V_s beneath northeastern Japan: Implications for arc magmatism and fluids"}]},{"@id":"https://cir.nii.ac.jp/crid/1360022306713932160","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Low-frequency earthquakes observed in close vicinity of repeating earthquakes in the brittle upper crust of Hakodate, Hokkaido, northern Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1360292617909770624","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"Nonvolcanic Deep Tremor Associated with Subduction in Southwest Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1360855567864633856","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"Experimentally based water budgets for dehydrating slabs and consequences for arc magma generation"}]},{"@id":"https://cir.nii.ac.jp/crid/1362544418900404096","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"The slip distribution of the 1946 Nankai earthquake estimated from tsunami inversion using a new plate model"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204302999552","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Receiver Function Analyses for Estimating Seismic Velocity Discontinuity Structure"},{"@language":"ja","@value":"レシーバ関数解析による地震波速度不連続構造"},{"@language":"ja-Kana","@value":"レシーバ カンスウ カイセキ ニ ヨル ジシンハ ソクド フレンゾク コウゾウ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204304740224","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"栃木県西部地域モホ面付近に発生する低周波地震の活動とその発震機構"},{"@language":"en","@value":"Seismicity and a Focal Mechanism of Low-frequency Earthquakes Occurring in the Western Part of Tochigi Prefecture, Japan"},{"@language":"ja-Kana","@value":"トチギケン セイブ チイキ モホメン フキン ニ ハッセイスル テイシュウハ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282679206948992","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Hydrous Minerals and Water Transport in Subducted Slab."},{"@value":"沈み込むスラブ中の含水鉱物と水輸送"},{"@language":"ja-Kana","@value":"シズミコム スラブ チュウ ノ ガンスイコウブツ ト ミズ 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Japan"},{"@language":"ja-Kana","@value":"カントウ チホウ ノ カザン フロントカ ノ モホメン フキン ニ ハッセイス"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282679281457024","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Short-term Slow Slip Events Detected by the Strainmeters in Tokai Region in the Period from 1984 to 2005"},{"@language":"ja","@value":"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）"},{"@language":"ja-Kana","@value":"ヒズミケイ ニ ヨリ カンソク サレタ トウカイ チイキ ノ タンキテキ スロースリップ 1984 2005ネン"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282679282444800","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"四国東部地域における地殻及び最上部マントルの地震波速度構造と沈み込むフィリピン海プレートの形状"},{"@language":"en","@value":"Geometry of the Subducting Philippine Sea Plate and the Crustal and Upper Mantle Structure beneath Eastern Shikoku Island Revealed by Seismic Refraction/Wide-angle Reflection Profiling"},{"@language":"ja-Kana","@value":"シコク トウブ チイキ ニ オケル チカク オヨビ サイ ジョウブ マントル ノ ジシンハ ソクド コウゾウ ト シズミ コム フィリピンカイ プレート ノ ケイジョウ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390292706071091584","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Low-frequency Earthquakes in the Continental Plate and Their Seismological and Tectonic Implications"},{"@language":"ja","@value":"陸域下の低周波地震とその地震学的およびテクトニクス的意義"}]},{"@id":"https://cir.nii.ac.jp/crid/1390580992741657728","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Characteristics and generation mechanism of low-frequency earthquakes in the continental plate"},{"@language":"ja","@value":"内陸下の低周波地震の特徴と発生メカニズム"}]},{"@id":"https://cir.nii.ac.jp/crid/1520009408095511936","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@value":"九州地方中南部におけるフィリピン海スラブ内地震活動"},{"@language":"ja-Kana","@value":"キュウシュウ チホウ チュウナンブ ニ オケル フィリピンカイ スラブナイ ジシン カツドウ"}]},{"@id":"https://cir.nii.ac.jp/crid/1520290883003757824","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@value":"沈み込み帯深部で発生するスロースリップイベントのモデル化"},{"@language":"ja-Kana","@value":"シズミ コミ タイ シンブ デ ハッセイ スル スロースリップイベント ノ モデルカ"}]},{"@id":"https://cir.nii.ac.jp/crid/1520291855572551168","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"地震波で東北日本の下を見る"},{"@language":"ja-Kana","@value":"ジシンハ デ トウホク ニホン ノ シタ オ ミル"}]},{"@id":"https://cir.nii.ac.jp/crid/1520291856136135680","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"西南日本内陸の活断層に発生する深部低周波地震"},{"@language":"ja-Kana","@value":"セイナン ニホン ナイリク ノ カツダンソウ ニ ハッセイ スル シンブ テイシュウハ ジシン"}]},{"@id":"https://cir.nii.ac.jp/crid/1520573329839207296","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"松代地震から10年"},{"@language":"ja-Kana","@value":"マツシロ ジシン カラ 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カ"}]},{"@id":"https://cir.nii.ac.jp/crid/1524232504502897792","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"松代地震から学んだこと 手に入れた地震制御へのデータ"},{"@language":"ja-Kana","@value":"マツシロ ジシン カラ マナンダ コト テ ニ イレタ ジシン セイギョ エ ノ データ"}]},{"@id":"https://cir.nii.ac.jp/crid/1570291225152623360","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"新たに確認された低周波地震とその周辺の活断層"}]},{"@id":"https://cir.nii.ac.jp/crid/1570572701759965184","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"京都府南部で観測された低周波地震について"}]},{"@id":"https://cir.nii.ac.jp/crid/1571698600036176512","@type":"Article","relationType":["cites"]},{"@id":"https://cir.nii.ac.jp/crid/1571698601683657728","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Deep low-frequency earthquakes beneath the focal region of the M_w 6.7 2000 Western Tottori earthquake"}]},{"@id":"https://cir.nii.ac.jp/crid/1571980075012885760","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"火山から離れた地域のモホ面付近で発生している低周波地震"}]},{"@id":"https://cir.nii.ac.jp/crid/1571980075033208832","@type":"Article","relationType":["cites"]},{"@id":"https://cir.nii.ac.jp/crid/1571980076595421568","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Crustal deformations associated with the 1986 fissure eruption of Izu-Oshima volcano, Japan, and their tectonics significance"}]},{"@id":"https://cir.nii.ac.jp/crid/1571980076614443264","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Deep structure of the northeastern Japan arc and its relationship to seismic and volcanic activity"}]},{"@id":"https://cir.nii.ac.jp/crid/1572261549989824128","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"地震データの一元的処理により把握された地殻下部の低周波地震活動"}]},{"@id":"https://cir.nii.ac.jp/crid/1572543026607306496","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"西南日本における深部低周波微動の時空間的特徴"}]},{"@id":"https://cir.nii.ac.jp/crid/1572824501535005312","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Deep,low-frequency microearthquakes in or around seismic low-velocity zones beneath active volcanoes in northeastetn Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1573387449896666496","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"鳥取県西部地震に先行した深部低周波地震"}]},{"@id":"https://cir.nii.ac.jp/crid/1573950400770320512","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"MT法における2次元比抵抗断面の不確実性評価に関する一考察"},{"@language":"en","@value":"Consideration on the evaluation of uncertainly for the MT 2-D image"}]},{"@id":"https://cir.nii.ac.jp/crid/1574231876436275968","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Thermal constraints on the seismogenic portion of the southwestern Japan subduction thrust."}]},{"@id":"https://cir.nii.ac.jp/crid/1574231876477732352","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Low-frequency continuous tremor around the Moho discontinuity away from volcanoes in the southwest 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