Pub Date : 2023-11-28DOI: 10.1186/s40623-023-01921-5
S. Sueoka, H. Iwano, T. Danhara, Masakazu Niwa, Mizuho Kanno, Barry P. Kohn, Makoto Kawamura, T. Yokoyama, S. Kagami, Yasuhiro Ogita, Takafumi Hirata
{"title":"Thermochronology of hydrothermal alteration zones in the Kii Peninsula, southwest Japan: an attempt for detecting the thermal anomalies and implications to the regional exhumation history","authors":"S. Sueoka, H. Iwano, T. Danhara, Masakazu Niwa, Mizuho Kanno, Barry P. Kohn, Makoto Kawamura, T. Yokoyama, S. Kagami, Yasuhiro Ogita, Takafumi Hirata","doi":"10.1186/s40623-023-01921-5","DOIUrl":"https://doi.org/10.1186/s40623-023-01921-5","url":null,"abstract":"","PeriodicalId":11409,"journal":{"name":"Earth, Planets and Space","volume":"15 1","pages":"1-24"},"PeriodicalIF":3.0,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139226431","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-28DOI: 10.1186/s40623-023-01922-4
T. Rung-Arunwan, W. Siripunvaraporn, H. Utada
{"title":"Correction: The effect of initial and prior models on phase tensor inversion of distorted magnetotelluric data","authors":"T. Rung-Arunwan, W. Siripunvaraporn, H. Utada","doi":"10.1186/s40623-023-01922-4","DOIUrl":"https://doi.org/10.1186/s40623-023-01922-4","url":null,"abstract":"","PeriodicalId":11409,"journal":{"name":"Earth, Planets and Space","volume":"100 1","pages":"1-2"},"PeriodicalIF":3.0,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139218320","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-24DOI: 10.1186/s40623-023-01927-z
Toru Nakajima, S. Sueoka, Mitsuhiro Nagata, Barry P. Kohn, N. Ramos, H. Tsutsumi, T. Tagami
{"title":"First report of geo- and thermochronological results from the Cordillera Central, Luzon, Philippines","authors":"Toru Nakajima, S. Sueoka, Mitsuhiro Nagata, Barry P. Kohn, N. Ramos, H. Tsutsumi, T. Tagami","doi":"10.1186/s40623-023-01927-z","DOIUrl":"https://doi.org/10.1186/s40623-023-01927-z","url":null,"abstract":"","PeriodicalId":11409,"journal":{"name":"Earth, Planets and Space","volume":"324 ","pages":"1-11"},"PeriodicalIF":3.0,"publicationDate":"2023-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139240596","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-22DOI: 10.1186/s40623-023-01930-4
A. Shinbori, Yuichi Otsuka, T. Sori, M. Nishioka, P. Septi, Takuo Tsuda, Nozomu Nishitani, A. Kumamoto, Fuminori Tsuchiya, S. Matsuda, Y. Kasahara, A. Matsuoka, Satoko Nakamura, Y. Miyoshi, Iku Shinohara
{"title":"New aspects of the upper atmospheric disturbances caused by the explosive eruption of the 2022 Hunga Tonga–Hunga Ha’apai volcano","authors":"A. Shinbori, Yuichi Otsuka, T. Sori, M. Nishioka, P. Septi, Takuo Tsuda, Nozomu Nishitani, A. Kumamoto, Fuminori Tsuchiya, S. Matsuda, Y. Kasahara, A. Matsuoka, Satoko Nakamura, Y. Miyoshi, Iku Shinohara","doi":"10.1186/s40623-023-01930-4","DOIUrl":"https://doi.org/10.1186/s40623-023-01930-4","url":null,"abstract":"","PeriodicalId":11409,"journal":{"name":"Earth, Planets and Space","volume":"183 ","pages":"1-27"},"PeriodicalIF":3.0,"publicationDate":"2023-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139247908","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-16DOI: 10.1186/s40623-023-01931-3
Takeshi Hasegawa, Bunta Kikuchi, Shohei Shibata, Yuhji Yamamoto, T. Imura, Masao Ban, K. Tsunematsu, Chie Kusu, Makoto Okada, Tsukasa Ohba
{"title":"Paleomagnetism and paleomagnetic dating to large volcanic bombs: an example from the historical eruption of Azuma–Jododaira volcano, NE Japan","authors":"Takeshi Hasegawa, Bunta Kikuchi, Shohei Shibata, Yuhji Yamamoto, T. Imura, Masao Ban, K. Tsunematsu, Chie Kusu, Makoto Okada, Tsukasa Ohba","doi":"10.1186/s40623-023-01931-3","DOIUrl":"https://doi.org/10.1186/s40623-023-01931-3","url":null,"abstract":"","PeriodicalId":11409,"journal":{"name":"Earth, Planets and Space","volume":"83 3","pages":"1-12"},"PeriodicalIF":3.0,"publicationDate":"2023-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139268946","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-15DOI: 10.1186/s40623-023-01904-6
Akiko Miyazaki, T. Yada, K. Yogata, K. Hatakeda, A. Nakato, M. Nishimura, Kana Nagashima, K. Kumagai, Y. Hitomi, H. Soejima, Rui Tahara, R. Kanemaru, Arisa Nakano, M. Yoshitake, A. Iwamae, S. Furuya, A. Tsuchiyama, S. Tachibana, T. Michikami, Tatsuaki Okada, M. Abe, T. Usui
{"title":"A newly revised estimation of bulk densities and examination of the shape of individual Ryugu grains","authors":"Akiko Miyazaki, T. Yada, K. Yogata, K. Hatakeda, A. Nakato, M. Nishimura, Kana Nagashima, K. Kumagai, Y. Hitomi, H. Soejima, Rui Tahara, R. Kanemaru, Arisa Nakano, M. Yoshitake, A. Iwamae, S. Furuya, A. Tsuchiyama, S. Tachibana, T. Michikami, Tatsuaki Okada, M. Abe, T. Usui","doi":"10.1186/s40623-023-01904-6","DOIUrl":"https://doi.org/10.1186/s40623-023-01904-6","url":null,"abstract":"","PeriodicalId":11409,"journal":{"name":"Earth, Planets and Space","volume":"2 6","pages":"1-18"},"PeriodicalIF":3.0,"publicationDate":"2023-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139273038","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-15DOI: 10.1186/s40623-023-01924-2
T. Yada, M. Abe, M. Nishimura, Hirotaka Sawada, R. Okazaki, Yoshinori Takano, K. Sakamoto, Tatsuaki Okada, A. Nakato, M. Yoshitake, Y. Nakano, K. Yogata, Akiko Miyazaki, S. Furuya, A. Iwamae, Shunichi Nakatsubo, K. Hatakeda, Y. Hitomi, K. Kumagai, Shino Suzuki, Y. Miura, Motoo Ito, N. Tomioka, M. Uesugi, Y. Karouji, K. Uesugi, Naoki Shirai, Akira Yamaguchi, N. Imae, H. Naraoka, Yuhji Yamamoto, S. Tachibana, H. Yurimoto, T. Usui
{"title":"A curation for uncontaminated Hayabusa2-returned samples in the extraterrestrial curation center of JAXA: from the beginning to present day","authors":"T. Yada, M. Abe, M. Nishimura, Hirotaka Sawada, R. Okazaki, Yoshinori Takano, K. Sakamoto, Tatsuaki Okada, A. Nakato, M. Yoshitake, Y. Nakano, K. Yogata, Akiko Miyazaki, S. Furuya, A. Iwamae, Shunichi Nakatsubo, K. Hatakeda, Y. Hitomi, K. Kumagai, Shino Suzuki, Y. Miura, Motoo Ito, N. Tomioka, M. Uesugi, Y. Karouji, K. Uesugi, Naoki Shirai, Akira Yamaguchi, N. Imae, H. Naraoka, Yuhji Yamamoto, S. Tachibana, H. Yurimoto, T. Usui","doi":"10.1186/s40623-023-01924-2","DOIUrl":"https://doi.org/10.1186/s40623-023-01924-2","url":null,"abstract":"","PeriodicalId":11409,"journal":{"name":"Earth, Planets and Space","volume":"8 1-2","pages":"1-32"},"PeriodicalIF":3.0,"publicationDate":"2023-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139271690","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-14DOI: 10.1186/s40623-023-01928-y
Kazuhito Hikima
Abstract Crustal earthquakes are generally recognized as having recurrence periods of more than 1000 years. However, in northern Ibaraki Prefecture, Japan, two moderate-sized earthquakes occurred on almost the same fault plane in 2011 and 2016. Moreover, it has been reported that the slip distributions derived from crustal deformation data from these two events are almost identical. We performed a near-field waveform inversion analysis to estimate the details of the spatiotemporal distribution of the co-seismic rupture. Our results reveal large slip areas during each earthquake at different locations across the bend of the fault plane. These results indicate that the shear stress of the fault area where the main slip occurred during the 2011 event was not rebuilt in such a short period, a phenomenon that had not previously been discussed for this sequence. Our results also suggest that the fault geometry affected such complex fault ruptures. Graphical Abstract
{"title":"Distinct rupture processes on a fault where M6-class earthquakes reoccurred in a short period: analysis of the 2011 and 2016 Northern Ibaraki, Japan, earthquakes using near-field waveforms","authors":"Kazuhito Hikima","doi":"10.1186/s40623-023-01928-y","DOIUrl":"https://doi.org/10.1186/s40623-023-01928-y","url":null,"abstract":"Abstract Crustal earthquakes are generally recognized as having recurrence periods of more than 1000 years. However, in northern Ibaraki Prefecture, Japan, two moderate-sized earthquakes occurred on almost the same fault plane in 2011 and 2016. Moreover, it has been reported that the slip distributions derived from crustal deformation data from these two events are almost identical. We performed a near-field waveform inversion analysis to estimate the details of the spatiotemporal distribution of the co-seismic rupture. Our results reveal large slip areas during each earthquake at different locations across the bend of the fault plane. These results indicate that the shear stress of the fault area where the main slip occurred during the 2011 event was not rebuilt in such a short period, a phenomenon that had not previously been discussed for this sequence. Our results also suggest that the fault geometry affected such complex fault ruptures. Graphical Abstract","PeriodicalId":11409,"journal":{"name":"Earth, Planets and Space","volume":"44 19","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134953592","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-10-26DOI: 10.1186/s40623-023-01918-0
Hao Zhang, Yang Shi, Hongjun He, Hanwen Ji, Yu Miao
Abstract Near-surface seismic shear wave is a basic tool for seismic investigations. However, its frequency-dependent property is not fully investigated, especially by the in situ observation method. Here, we develop the seismic interferometry with a moving frequency window to process the natural seismic signals recorded by the KiK-net network. It is observed that the phase velocity of the shear wave decreases sharply as the frequency increases in the low-frequency range, and remains constant in the high-frequency range. The observed dispersion phenomenon presents a challenge to existing site effect prediction theories, while also providing an observational reference for understanding how the shear wave propagates in near-surface sediment. Graphical Abstract
{"title":"Estimating frequency-dependent shear wave velocity in near-surface sediment based on seismic interferometry","authors":"Hao Zhang, Yang Shi, Hongjun He, Hanwen Ji, Yu Miao","doi":"10.1186/s40623-023-01918-0","DOIUrl":"https://doi.org/10.1186/s40623-023-01918-0","url":null,"abstract":"Abstract Near-surface seismic shear wave is a basic tool for seismic investigations. However, its frequency-dependent property is not fully investigated, especially by the in situ observation method. Here, we develop the seismic interferometry with a moving frequency window to process the natural seismic signals recorded by the KiK-net network. It is observed that the phase velocity of the shear wave decreases sharply as the frequency increases in the low-frequency range, and remains constant in the high-frequency range. The observed dispersion phenomenon presents a challenge to existing site effect prediction theories, while also providing an observational reference for understanding how the shear wave propagates in near-surface sediment. Graphical Abstract","PeriodicalId":11409,"journal":{"name":"Earth, Planets and Space","volume":"76 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136382220","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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