{"title":"Derivation of Series Expansion of Kajiura Filter, Green’s Function of Tsunami","authors":"Tetsuya Kusakabe, N. Kame, S. Watada","doi":"10.4294/ZISIN.2017-16","DOIUrl":"https://doi.org/10.4294/ZISIN.2017-16","url":null,"abstract":"","PeriodicalId":103922,"journal":{"name":"Zisin (Journal of the Seismological Society of Japan. 2nd ser.)","volume":"3 9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123695867","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":"How Wide is the Observation Range of both Stress and Strain Observed by Stress Meter Developed for Continuous Record ?","authors":"H. Ishii, Y. Asai, M. Furumoto","doi":"10.4294/zisin.2018-3","DOIUrl":"https://doi.org/10.4294/zisin.2018-3","url":null,"abstract":"","PeriodicalId":103922,"journal":{"name":"Zisin (Journal of the Seismological Society of Japan. 2nd ser.)","volume":"25 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":"124472175","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","authors":"T. Okuda, N. Uchida, Y. Asano","doi":"10.4294/zisin.2017-8","DOIUrl":"https://doi.org/10.4294/zisin.2017-8","url":null,"abstract":"","PeriodicalId":103922,"journal":{"name":"Zisin (Journal of the Seismological Society of Japan. 2nd ser.)","volume":"14 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":"121406337","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. 6th near Ishizuchi Fault of Median Tectonic Line Active Fault Zone in Ehime Prefecture","authors":"R. Matsu’ura, Masayoshi Tajikara","doi":"10.4294/zisin.2017-18","DOIUrl":"https://doi.org/10.4294/zisin.2017-18","url":null,"abstract":"","PeriodicalId":103922,"journal":{"name":"Zisin (Journal of the Seismological Society of Japan. 2nd ser.)","volume":"41 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":"127625979","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":"A Historical Record on the 1707 Hoei Earthquake and Hoei Eruption of Mt. Fuji (3): Tozan-Hongu-Ki Recording the 1703 Genroku Earthquake, 1707 Hoei Earthquake, and 1707 Hoei Eruption of Mt. Fuji","authors":"Kentaro Hattori, I. Nakanishi","doi":"10.4294/ZISIN.2017-17","DOIUrl":"https://doi.org/10.4294/ZISIN.2017-17","url":null,"abstract":"","PeriodicalId":103922,"journal":{"name":"Zisin (Journal of the Seismological Society of Japan. 2nd ser.)","volume":"140 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134123662","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}
Receiver function analysis is one of a powerful method to estimate subsurface structure beneath a seismograph. To apply this method, responses of all three component seismographs should be the almost same. However, due to various observation conditions and/or deterioration of sensor, response of each component is sometimes changed. In this study, we investigated the effect of the difference in sensor response on the result of receiver function analyses by using the NIED Hi-net data. N.MHRH, N.TBEH, and N.TSMH stations were selected as examples. At each station, we confirmed that the response of one horizontal component seismograph was slightly different from other components for a period, and that it recovered by the sensor maintenance. Because the difference in time-domain waveforms was very small, we checked it by the spectra of micro-tremor. In this study, we used tele-seismograms with good S/N for all three components. These waveforms were classified the following four groups: (1) All period (Oct., 2000 ~ Jul., 2017). (2) Periods for which the response of one horizontal component seismograph was clearly different from other components. (3) Period in which three component seismographs seemed to have the same response. (4) Same as (3) but excluding the data whose P-wave particle motions were inconsistent with the back-azimuth of the events. For each group, we estimated receiver functions and applied the harmonic decomposition analysis (e.g., Bianchi et al., 2010) to them.
接收函数分析是估计地震仪地下结构的一种有效方法。为了应用这种方法，所有三个分量地震仪的响应应该几乎相同。然而，由于观测条件的变化和/或传感器的老化，有时会改变每个组件的响应。在本研究中，我们利用NIED Hi-net数据研究了传感器响应差异对接收函数分析结果的影响。以N.MHRH、n . theh、N.TSMH台站为例。在每一个台站，我们证实了一个水平分量地震仪的响应在一段时间内与其他分量略有不同，并且通过传感器维护恢复了响应。由于时域波形的差异很小，我们用微颤谱进行了验证。在本研究中，我们对这三个分量都使用了信噪比良好的远震图。这些波形可分为四类:(1)所有时段(2000年10月~ 2017年7月)。(2)某水平分量地震仪响应与其他分量明显不同的周期。(3)三分量地震仪似乎具有相同响应的周期。(4)与(3)相同，但不包括p波粒子运动与事件后方位角不一致的数据。对于每一组，我们估计接收函数并对其进行谐波分解分析(例如，Bianchi et al.， 2010)。
{"title":"Effect on the Subsurface Structure Estimation by the Difference in Responses of Two Horizontal Component Seismographs","authors":"K. Shiomi","doi":"10.4294/ZISIN.2018-1","DOIUrl":"https://doi.org/10.4294/ZISIN.2018-1","url":null,"abstract":"Receiver function analysis is one of a powerful method to estimate subsurface structure beneath a seismograph. To apply this method, responses of all three component seismographs should be the almost same. However, due to various observation conditions and/or deterioration of sensor, response of each component is sometimes changed. In this study, we investigated the effect of the difference in sensor response on the result of receiver function analyses by using the NIED Hi-net data. N.MHRH, N.TBEH, and N.TSMH stations were selected as examples. At each station, we confirmed that the response of one horizontal component seismograph was slightly different from other components for a period, and that it recovered by the sensor maintenance. Because the difference in time-domain waveforms was very small, we checked it by the spectra of micro-tremor. In this study, we used tele-seismograms with good S/N for all three components. These waveforms were classified the following four groups: (1) All period (Oct., 2000 ~ Jul., 2017). (2) Periods for which the response of one horizontal component seismograph was clearly different from other components. (3) Period in which three component seismographs seemed to have the same response. (4) Same as (3) but excluding the data whose P-wave particle motions were inconsistent with the back-azimuth of the events. For each group, we estimated receiver functions and applied the harmonic decomposition analysis (e.g., Bianchi et al., 2010) to them.","PeriodicalId":103922,"journal":{"name":"Zisin (Journal of the Seismological Society of Japan. 2nd ser.)","volume":"435 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132386502","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 Iyo-Bungo Earthquake of September 1st, 1596 in Southwest Japan as Deduced from Contemporary Historical Records","authors":"K. Ishibashi","doi":"10.4294/zisin.2019-1","DOIUrl":"https://doi.org/10.4294/zisin.2019-1","url":null,"abstract":"","PeriodicalId":103922,"journal":{"name":"Zisin (Journal of the Seismological Society of Japan. 2nd ser.)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122757756","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}
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