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  1. Content type: Full paper

    Seismic refraction and multi-channel seismic reflection surveys were conducted on the northeastern Hawaiian Arch to examine the effect of hotspot volcanism on the seismic structure of the crust and uppermost m...

    Authors: Akane Ohira, Shuichi Kodaira, Gregory F. Moore, Mikiya Yamashita, Toshiya Fujiwara, Yuka Kaiho, Seiichi Miura and Gou Fujie

    Citation: Earth, Planets and Space 2018 70:121

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  2. Content type: Full paper

    Horizontal crustal strain in the Tohoku area during the twentieth century based on triangulation showed N–S extension and E–W contraction was not significant. This feature was one of the reasons why the 2011 T...

    Authors: Takeshi Sagiya, Nobuhisa Matta and Yusaku Ohta

    Citation: Earth, Planets and Space 2018 70:120

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  3. Content type: Full paper

    The 2015 unrest of the Hakone volcano in Japan, which began on April 26, generated earthquake swarms accompanied by long-term deformation. The earthquake swarm activity reached its maximum in mid-May and gradu...

    Authors: Ryou Honda, Yohei Yukutake, Yuichi Morita, Shin’ichi Sakai, Kazuhiro Itadera and Kazuya Kokubo

    Citation: Earth, Planets and Space 2018 70:117

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  4. Content type: Full paper

    In order to investigate the seismic velocity structure in the region of concentrated severe damage during the 2016 Kumamoto earthquake sequence, we conducted continuous seismic observations in the central area...

    Authors: Takumi Hayashida, Masumi Yamada, Masayuki Yamada, Koji Hada, Jim Mori, Yoshinori Fujino, Hiromu Sakaue, Sosuke Fukatsu, Eiko Nishihara, Toru Ouchi and Akio Fujii

    Citation: Earth, Planets and Space 2018 70:116

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  5. Content type: Full paper

    The real-time estimation of polar motion (PM) is needed for the navigation of Earth satellite and interplanetary spacecraft. However, it is impossible to have real-time information due to the complexity of the...

    Authors: Sadegh Modiri, Santiago Belda, Robert Heinkelmann, Mostafa Hoseini, José M. Ferrándiz and Harald Schuh

    Citation: Earth, Planets and Space 2018 70:115

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  6. Content type: Full paper

    The global dynamics of substorms are controlled by several key magnetospheric parameters. In this work we obtain quantitative measures of these parameters from a low-order nonlinear model of the nightside magn...

    Authors: Edmund Spencer, Sai Krishna Vadepu, Pavithra Srinivas, Swadesh Patra and Wendell Horton

    Citation: Earth, Planets and Space 2018 70:118

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  7. Content type: Full paper

    In association with the September 2014 phreatic eruption (VEI 1–2) at Ontake Volcano, a syn-eruptive and two post-eruptive lahars occurred in the Akagawa–Nigorigawa River, southern flank of the volcano. The pr...

    Authors: Kyoko S. Kataoka, Takane Matsumoto, Takeshi Saito, Katsuhisa Kawashima, Yoshitaka Nagahashi, Tsutomu Iyobe, Akihiko Sasaki and Keisuke Suzuki

    Citation: Earth, Planets and Space 2018 70:113

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  8. Content type: Full paper

    Based on experimental observations with EISCAT VHF radar during the summer period, July 8–12, 2013, the observations of polar mesosphere summer echoes (PMSE) in the absence of particle precipitation indicate t...

    Authors: Abdur Rauf, Hailong Li, Safi Ullah, Lin Meng, Bin Wang and Maoyan Wang

    Citation: Earth, Planets and Space 2018 70:108

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  9. Content type: Full paper

    Polar mesosphere winter echoes (PMWE) were observed at 70 km over Tromsø, Norway, on 8 January 2014 using the tristatic configuration of the European incoherent scatter VHF radar. For the interval 11:00–13:00 ...

    Authors: Evgenia Belova, Maria Kawnine, Ingemar Häggström, Tima Sergienko, Sheila Kirkwood and Anders Tjulin

    Citation: Earth, Planets and Space 2018 70:110

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  10. Content type: Full paper

    The Chinese BeiDou Navigation Satellite System has shown potential for precise positioning with a comparable accuracy to that of the Global Positioning System (GPS) at the centimeter level for the horizontal c...

    Authors: Kemin Zhu, Lei Zhao, Wei Wang, Shoujian Zhang, Renli Liu and Jinling Wang

    Citation: Earth, Planets and Space 2018 70:112

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  11. Content type: Express Letter

    We herein estimated the end of the ongoing deflation at Sinabung volcano, Indonesia, which began in 2014 under the assumption that the magma is incompressible and behaves as a Bingham fluid. At first, we estim...

    Authors: Kohei Hotta, Masato Iguchi, Takahiro Ohkura, Muhamad Hendrasto, Hendra Gunawan, Umar Rosadi and Estu Kriswati

    Citation: Earth, Planets and Space 2018 70:107

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  12. Content type: Express Letter

    We have developed a new magnetometer system specialized to multipoint and long-term observations on the seafloor to promote marine or ocean-bottom experiments mainly for the electromagnetic sounding of the Ear...

    Authors: Kazunori Ogawa, Tetsuo Matsuno, Hiroshi Ichihara, Kazuo Nakahigashi and Nobukazu Seama

    Citation: Earth, Planets and Space 2018 70:111

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  13. Content type: Frontier letter

    The uppermost structures of incoming oceanic plates have been investigated by seismic exploration surveys, primarily based on two-dimensional profiles. However, their regional-scale lateral variations and shea...

    Authors: Takashi Tonegawa, Koichiro Obana, Gou Fujie and Shuichi Kodaira

    Citation: Earth, Planets and Space 2018 70:106

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  14. Content type: Frontier letter

    A simple and rapid technique to effectively remove volcanic smoke (vapor-dominated white plume) from visible or thermal infrared images of active craters is proposed, in which multiple photographs taken in a f...

    Authors: Takeshi Hashimoto, Akihiko Terada and Ryo Tanaka

    Citation: Earth, Planets and Space 2018 70:109

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  15. Content type: Full paper

    In this work, we investigate the Brazilian low-latitude ionospheric response to two corotating interaction regions (CIRs) and high-speed streams (HSSs) events during the solar minimum of solar cycle 23, in 20...

    Authors: Claudia M. N. Candido, Inez S. Batista, Virginia Klausner, Patricia M. de Siqueira Negreti, Fabio Becker-Guedes, Eurico R. de Paula, Jiankui Shi and Emilia S. Correia

    Citation: Earth, Planets and Space 2018 70:104

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  16. Content type: Express Letter

    An explosive eruption occurred at the Naka-dake first crater of Aso volcano at 1:46 on October 8, 2016 (JST). According to the field survey conducted by Kumamoto University, Kyoto University, the National Inst...

    Authors: Eiichi Sato, Keiichi Fukui and Toshiki Shimbori

    Citation: Earth, Planets and Space 2018 70:105

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  17. Content type: Full paper

    The Exploration of energization and Radiation in Geospace (ERG) project explores the acceleration, transport, and loss of relativistic electrons in the radiation belts and the dynamics for geospace storms. Thi...

    Authors: Yoshizumi Miyoshi, Iku Shinohara, Takeshi Takashima, Kazushi Asamura, Nana Higashio, Takefumi Mitani, Satoshi Kasahara, Shoichiro Yokota, Yoichi Kazama, Shiang-Yu Wang, Sunny W. Y. Tam, Paul T. P. Ho, Yoshiya Kasahara, Yasumasa Kasaba, Satoshi Yagitani, Ayako Matsuoka…

    Citation: Earth, Planets and Space 2018 70:101

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  18. Content type: Full paper

    The exploration of energization and radiation in geospace (ERG) satellite, nicknamed “Arase,” is the second satellite in a series of small scientific satellites created by the Institute of Space and Astronauti...

    Authors: Yosuke Nakamura, Seisuke Fukuda, Yasuko Shibano, Hiroyuki Ogawa, Shin-ichiro Sakai, Shigehito Shimizu, Ersin Soken, Yu Miyazawa, Hiroyuki Toyota, Akio Kukita, Yusuke Maru, Junichi Nakatsuka, Tomohiko Sakai, Shinsuke Takeuchi, Kenichiro Maki, Makoto Mita…

    Citation: Earth, Planets and Space 2018 70:102

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  19. Content type: Full paper

    In this research, a new numerical method, called the hybrid finite difference–finite element (hybrid FD–FE) method, is developed to solve 2-D magnetotelluric modeling by taking advantage of both the finite dif...

    Authors: Weerachai Sarakorn and Chatchai Vachiratienchai

    Citation: Earth, Planets and Space 2018 70:103

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  20. Content type: Full paper

    Many models describing the Earth’s magnetic field exist and are maintained by international research organizations. However, no clear general overview of the cross-compared quality of these models is available...

    Authors: Jean-François Oehler, Didier Rouxel and Marie-Françoise Lequentrec-Lalancette

    Citation: Earth, Planets and Space 2018 70:99

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  21. Content type: Full paper

    The data provided by ten DONET deep-sea observatories, that on March 11, 2011, registered the Great East Japan Earthquake and tsunami, were used for investigation of the relationship between variations of the ...

    Authors: Mikhail Nosov, Viacheslav Karpov, Sergey Kolesov, Kirill Sementsov, Hiroyuki Matsumoto and Yoshiyuki Kaneda

    Citation: Earth, Planets and Space 2018 70:100

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  22. Content type: Express Letter

    Seismic wave propagation from shallow subduction-zone earthquakes can be strongly affected by 3D heterogeneous structures, such as oceanic water and sedimentary layers with irregular thicknesses. Synthetic wav...

    Authors: Taro Okamoto, Hiroshi Takenaka and Takeshi Nakamura

    Citation: Earth, Planets and Space 2018 70:98

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Page 1 of 132

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