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  1. Content type: Full paper

    This paper presents detailed performance values of the Magnetic Search Coil (MSC) that is part of the Plasma Wave Experiment on board the Arase (ERG) satellite. The MSC consists of a three-axis search coil mag...

    Authors: Mitsunori Ozaki, Satoshi Yagitani, Yoshiya Kasahara, Hirotsugu Kojima, Yasumasa Kasaba, Atsushi Kumamoto, Fuminori Tsuchiya, Shoya Matsuda, Ayako Matsuoka, Takashi Sasaki and Takahiro Yumoto

    Citation: Earth, Planets and Space 2018 70:76

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  2. Content type: Full paper

    Substorm onset has originally been defined as a longitudinally extended sudden auroral brightening (Akasofu initial brightening: AIB) followed a few minutes later by an auroral poleward expansion in ground-bas...

    Authors: Akimasa Ieda, Kirsti Kauristie, Yukitoshi Nishimura, Yukinaga Miyashita, Harald U. Frey, Liisa Juusola, Daniel Whiter, Masahito Nosé, Matthew O. Fillingim, Farideh Honary, Neil C. Rogers, Yoshizumi Miyoshi, Tsubasa Miura, Takahiro Kawashima and Shinobu Machida

    Citation: Earth, Planets and Space 2018 70:73

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  3. Content type: Full paper

    We developed the onboard processing software for the Plasma Wave Experiment (PWE) onboard the Exploration of energization and Radiation in Geospace, Arase satellite. The PWE instrument has three receivers: El...

    Authors: Shoya Matsuda, Yoshiya Kasahara, Hirotsugu Kojima, Yasumasa Kasaba, Satoshi Yagitani, Mitsunori Ozaki, Tomohiko Imachi, Keigo Ishisaka, Atsushi Kumamoto, Fuminori Tsuchiya, Mamoru Ota, Satoshi Kurita, Yoshizumi Miyoshi, Mitsuru Hikishima, Ayako Matsuoka and Iku Shinohara

    Citation: Earth, Planets and Space 2018 70:75

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  4. Content type: Full paper

    We studied the assimilation of high-resolution precipitable water vapor (PWV) data derived from a hyper-dense global navigation satellite system network around Uji city, Kyoto, Japan, which had a mean inter-st...

    Authors: Masanori Oigawa, Toshitaka Tsuda, Hiromu Seko, Yoshinori Shoji and Eugenio Realini

    Citation: Earth, Planets and Space 2018 70:74

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  5. Content type: Full paper

    Arase is a small scientific satellite program conducted by the Institute of Space and Astronautical Science/Japan Aerospace Exploration Agency, which is dedicated to the detailed study of the radiation belts a...

    Authors: Takeshi Takashima, Emiko Ogawa, Kazushi Asamura and Mitsuru Hikishima

    Citation: Earth, Planets and Space 2018 70:71

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  6. Content type: Full paper

    The medium-energy particle experiments—electron analyzer onboard the exploration of energization and radiation in geospace spacecraft measures the energy and direction of each incoming electron in the energy r...

    Authors: Satoshi Kasahara, Shoichiro Yokota, Takefumi Mitani, Kazushi Asamura, Masafumi Hirahara, Yasuko Shibano and Takeshi Takashima

    Citation: Earth, Planets and Space 2018 70:69

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  7. Content type: Full paper

    The 2015 eruption of Hakone volcano was a very small phreatic eruption, with total erupted ash estimated to be in the order of only 102 m3 and ballistic blocks reaching less than 30 m from the vent. Precursors, ...

    Authors: Kazutaka Mannen, Yohei Yukutake, George Kikugawa, Masatake Harada, Kazuhiro Itadera and Jun Takenaka

    Citation: Earth, Planets and Space 2018 70:68

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  8. Content type: Full paper

    The thermal signature of Aso Volcano (Nakadake) during unrest episodes has been analyzed by combining the MODIS-MIROVA data set (2000–2017) with high-resolution images (LANDSAT 8 OLI and Sentinel 2) and ground...

    Authors: Corrado Cigolini, Diego Coppola, Akihiko Yokoo and Marco Laiolo

    Citation: Earth, Planets and Space 2018 70:67

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  9. Content type: Express Letter

    On 29 June 2015, a small phreatic eruption occurred at Hakone volcano, Central Japan, forming several vents in the Owakudani geothermal area on the northern slope of the central cones. Intense earthquake swarm...

    Authors: Ryokei Yoshimura, Yasuo Ogawa, Yohei Yukutake, Wataru Kanda, Shogo Komori, Hideaki Hase, Tada-nori Goto, Ryou Honda, Masatake Harada, Tomoya Yamazaki, Masato Kamo, Shingo Kawasaki, Tetsuya Higa, Takeshi Suzuki, Yojiro Yasuda, Masanori Tani…

    Citation: Earth, Planets and Space 2018 70:66

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  10. Content type: Express Letter

    Remote sampling of water from Yugama crater lake at Kusatsu-Shirane volcano, Japan, was performed using a drone. Despite the high altitude of over 2000 m above sea level, our simple method was successful in re...

    Authors: Akihiko Terada, Yuichi Morita, Takeshi Hashimoto, Toshiya Mori, Takeshi Ohba, Muga Yaguchi and Wataru Kanda

    Citation: Earth, Planets and Space 2018 70:64

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  11. Content type: Full paper

    Although the 2015 Hakone Volcano eruption was a small-scale phreatic eruption with a discharged mass of only about 100 tons, interferometric synthetic aperture radar successfully detected surface deformations ...

    Authors: Ryosuke Doke, Masatake Harada, Kazutaka Mannen, Kazuhiro Itadera and Jun Takenaka

    Citation: Earth, Planets and Space 2018 70:63

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  12. Content type: Full paper

    The 2016 moment magnitude (Mw) 7.8 Kaikoura earthquake demonstrated that multiple fault segments can undergo rupture during a single seismic event. Here, we employ Global Positioning System (GPS) observations ...

    Authors: Zhongshan Jiang, Dingfa Huang, Linguo Yuan, Abubakr Hassan, Lupeng Zhang and Zhongrong Yang

    Citation: Earth, Planets and Space 2018 70:62

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  13. Content type: Full paper

    When working with ultra-low-frequency (ULF) magnetic datasets, as with most geophysical time-series data, it is important to be able to distinguish between cultural signals, internal instrument noise, and natu...

    Authors: Can Wang, Chen Bin, Lilianna E. Christman, Jonathan M. G. Glen, Simon L. Klemperer, Darcy K. McPhee, Karl N. Kappler, Tom E. Bleier and J. Clark Dunson

    Citation: Earth, Planets and Space 2018 70:57

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  14. Content type: Full paper

    Tectonic and volcanic structures of the northern Ryukyu arc are investigated on the basis of multichannel seismic (MCS) reflection data. The study area forms an active volcanic front in parallel to the non-vol...

    Authors: Ryuta Arai, Shuichi Kodaira, Tsutomu Takahashi, Seiichi Miura and Yoshiyuki Kaneda

    Citation: Earth, Planets and Space 2018 70:61

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  15. Content type: Full paper

    In this paper, we propose an inverse method for full gravity gradient tensor data in the spherical coordinate system. As opposed to the traditional gravity inversion in the Cartesian coordinate system, our pro...

    Authors: Yi Zhang, Yulong Wu, Jianguo Yan, Haoran Wang, J. Alexis P. Rodriguez and Yue Qiu

    Citation: Earth, Planets and Space 2018 70:58

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  16. Content type: Full paper

    Ionospheric irregularities are an important phenomenon in scientific studies and applications of radio-wave propagation. Spread-F echoes in ionograms are a type of high-frequency band irregularities that inclu...

    Authors: Ning Wang, Lixin Guo, Zhenwei Zhao, Zonghua Ding and Leke Lin

    Citation: Earth, Planets and Space 2018 70:59

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  17. Content type: Full paper

    On August 8, 2017, the Jiuzhaigou Mw 6.5 earthquake occurred in Sichuan province, southwestern China, along the eastern margin of the Tibetan Plateau. The epicenter is surrounded by the Minjiang, Huya, and Taz...

    Authors: Zhaosheng Nie, Di-Jin Wang, Zhige Jia, Pengfei Yu and Liangfa Li

    Citation: Earth, Planets and Space 2018 70:55

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  18. Content type: Full paper

    Spatial and temporal variations in inland crustal stress prior to the 2011 Mw 9.0 Tohoku earthquake are investigated using focal mechanism solutions for shallow seismicity in Iwaki City, Japan. The multiple in...

    Authors: Makoto Otsubo, Ayumu Miyakawa and Kazutoshi Imanishi

    Citation: Earth, Planets and Space 2018 70:51

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Page 2 of 131

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