{"title":"Maximum Likelihood Estimation of the a-value of the Gutenberg-Richter Law","authors":"T. Iwata, Y. Ogata","doi":"10.4294/zisin.2020-1","DOIUrl":"https://doi.org/10.4294/zisin.2020-1","url":null,"abstract":"","PeriodicalId":332254,"journal":{"name":"Journal of the Seismological Society of Japan","volume":"140 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124413715","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Data Assimilation towards the Understanding and Prediction of Slip Behavior on Subducting Plates and Better Reconstruction of Seismic Wavefields","authors":"M. Kano","doi":"10.4294/zisin.2019-9","DOIUrl":"https://doi.org/10.4294/zisin.2019-9","url":null,"abstract":"","PeriodicalId":332254,"journal":{"name":"Journal of the Seismological Society of Japan","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115194820","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Triple Seismic Zone Revisited","authors":"T. Seno","doi":"10.4294/zisin.2019-4","DOIUrl":"https://doi.org/10.4294/zisin.2019-4","url":null,"abstract":"","PeriodicalId":332254,"journal":{"name":"Journal of the Seismological Society of Japan","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133057984","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Tectonic Division in and around the Izu Peninsula Based on the Soft Clustering of Surface Displacement Rate Field","authors":"Y. Mitsui, Satoru Watanabe","doi":"10.4294/zisin.2019-5","DOIUrl":"https://doi.org/10.4294/zisin.2019-5","url":null,"abstract":"","PeriodicalId":332254,"journal":{"name":"Journal of the Seismological Society of Japan","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121167351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Making a Polyhedral Globe","authors":"M. Yamada","doi":"10.4294/zisin.2019-3","DOIUrl":"https://doi.org/10.4294/zisin.2019-3","url":null,"abstract":"","PeriodicalId":332254,"journal":{"name":"Journal of the Seismological Society of Japan","volume":"287 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132268041","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The Destructive Earthquake on 1916 Aug. 6 th near Ishizuchi Fault of Median Tectonic Line Active Fault Zone in Ehime Prefecture","authors":"R. Matsu’ura, Masayoshi Tajikara","doi":"10.4294/ZISIN.71.2017-18","DOIUrl":"https://doi.org/10.4294/ZISIN.71.2017-18","url":null,"abstract":"","PeriodicalId":332254,"journal":{"name":"Journal of the Seismological Society of Japan","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116561257","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Detection of Small Earthquakes Using the Matched Filter Method Immediately After the Tohoku-Oki Earthquake: —Application to the Off-Kamaishi Repeating Earthquakes Cluster—","authors":"T. Okuda, N. Uchida, Y. Asano","doi":"10.4294/ZISIN.71.2017-8","DOIUrl":"https://doi.org/10.4294/ZISIN.71.2017-8","url":null,"abstract":"","PeriodicalId":332254,"journal":{"name":"Journal of the Seismological Society of Japan","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129182722","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Study of Small-scale Heterogeneities in the Earth Inferredfrom Analysis of Observed and Simulated Seismograms","authors":"S. Takemura","doi":"10.4294/ZISIN.2017-11","DOIUrl":"https://doi.org/10.4294/ZISIN.2017-11","url":null,"abstract":"§1. は じ め に 地震観測の発展と観測記録の蓄積に伴い,地球内部構 造についての知見が多く蓄積されてきた.地震活動,走 時・波形トモグラフィー,レシーバー関数解析などによ り,例えば,Slab 1.0 [Hayes et al. (2012)] や Crust 1.0 [Laske et al. (2013)] などのグローバルなスケールの海洋 プレートや地殻構造モデルが構築され,インターネット 上で公開されている.日本列島に限ると,高感度地震観 測網Hi-net に代表される基盤的地震観測網 [Okada et al. (2004),Obara et al. (2005)] の観測記録と精力的な構造探 査研究の結果,空間スケールで 10km程度の不均質構造 (以下,長波長不均質構造)が明らかとなってきた[例え ば,Nakajima and Hasegawa (2007),Hirose et al. (2008), Matsubara et al. (2005, 2008, 2017),Shiomi et al. (2006, 2008),Nishida et al. (2008),Koketsu et al. (2009, 2012), Miyoshi et al. (2017)].東京大学地震研究所 (http ://wwweic. eri.u-tokyo.ac.jp/ssjapan/) や防災科学技術研究所 (http : //www.hinet.bosai.go.jp/topics/moho/?LANG=ja) のウェ ブサイトにおいて,それらの一部が公開されている.例 として,Fig. 1 に全国 1 次地下構造モデル [Koketsu et al. (2012) ; http : //www. jishin. go. jp/evaluation/seismic_ hazard_map/lpshm/12_choshuki_dat/] の関東東海地域 の北緯 35.5°の東西断面を示す.太平洋プレート,フィ リピン海プレートや関東堆積盆地などを,水平方向に境 界面の深さが変化する層構造として表現している. 地下構造モデルの構築と公開に加え,地震動シミュ レーションコードと計算機の発展も目覚ましいものがあ る.例えば,GMS [Aoi and Fujiwara (1999)],SPECFEM [Komatitsch and Tromp (1999)],SES3D [Gokhberg and Fichtner (2016)] や OpenSWPC [Maeda et al. (2017)] など の並列地震動計算コードが公開されている.不均質構造 モデルとあわせて用いることで現実的な地震動シミュ レーションを実行することができ,1Hz 以下の低周波数 地震動伝播のモデル化研究が大きく進んだ.例えば,盆 地堆積層を伝播する周期数秒以上のやや長周期地震動 [例えば,Sato et al. (1999),Ji et al. (2000),Furumura et al. (2001),Furumura and Hayakawa (2007),Aoi et al. (2008),Iwaki and Iwata (2008),Graves and Aagaard (2011),Yoshimoto and Takemura (2014ab),Takemura et al. (2015b),Asano et al. (2016)],沈み込み帯における後 続波[例えば,Martin and Rietbrock (2006),Miyoshi et al. (2012),Garth and Rietbrock (2014, 2017),Maeda et al. (2014),Shiina et al. (2014),Takemura et al. (2015cd), Yu et al. (2017)],地震動への付加体や海水層の影響[例 えば,Shapiro et al. (1998, 2002),Furumura et al. (2008), Petukhin et al. (2010),Nakamura et al. (2012, 2014, 2015), Tonegawa et al. (2015a),Guo et al. (2016),Noguchi et al. (2016),Todoriki et al. (2017)],プレート境界地震の地震 地 震 第 2 輯 第 71巻(2018)13-41頁 DOI: 10.4294/zisin.2017-11","PeriodicalId":332254,"journal":{"name":"Journal of the Seismological Society of Japan","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115123537","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Subduction Zone Dynamics Constrained from Numerical Models and Observations","authors":"M. Morishige","doi":"10.4294/ZISIN.2017-10","DOIUrl":"https://doi.org/10.4294/ZISIN.2017-10","url":null,"abstract":"","PeriodicalId":332254,"journal":{"name":"Journal of the Seismological Society of Japan","volume":"188 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121068543","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Study of Earthquake Generation Process by Acoustic Emission Observation in Deep Gold Mines in South Africa","authors":"Naoi Makoto","doi":"10.4294/ZISIN.2017-13","DOIUrl":"https://doi.org/10.4294/ZISIN.2017-13","url":null,"abstract":"","PeriodicalId":332254,"journal":{"name":"Journal of the Seismological Society of Japan","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129573444","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}