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  1. Full paper

    Measurement of thermospheric temperatures using OMTI Fabry–Perot interferometers with 70-mm etalon

    Fabry–Perot interferometer (FPI) is an instrument that can measure the temperature and wind velocity of the thermosphere through observations of airglow emission at a wavelength of 630.0 nm. The Solar-Terrest...

    Y. Nakamura, K. Shiokawa, Y. Otsuka, S. Oyama, S. Nozawa, T. Komolmis, S. Komonjida, Dave Neudegg, Colin Yuile, J. Meriwether, H. Shinagawa and H. Jin

    Earth, Planets and Space 2017 69:57

    Published on: 24 April 2017

  2. Full paper

    An analysis of the 2016 Hitomi breakup event

    The breakup of Hitomi (ASTRO-H) on 26 March 2016 is analysed. Debris from the fragmentation is used to estimate the time of the event by propagating backwards and estimating the close approach with the parent ...

    Sven Flegel, James Bennett, Michael Lachut, Marek Möckel and Craig Smith

    Earth, Planets and Space 2017 69:51

    Published on: 18 April 2017

  3. Full paper

    Generation of billow-like wavy folds by fluidization at high temperature in Nojima fault gouge: microscopic and rock magnetic perspectives

    Microscopic billow-like wavy folds have been observed along slip planes of the Nojima active fault, southwest Japan. The folds are similar in form to Kelvin–Helmholtz (KH) instabilities occurring in fluids, wh...

    Tomohiko Fukuzawa, Norihiro Nakamura, Hirokuni Oda, Minoru Uehara and Hiroyuki Nagahama

    Earth, Planets and Space 2017 69:54

    Published on: 18 April 2017

  4. Full paper

    Alteration and dehydration of subducting oceanic crust within subduction zones: implications for décollement step-down and plate-boundary seismogenesis

    The alteration and dehydration of predominantly basaltic subducting oceanic crustal material are thought to be important controls on the mechanical and hydrological properties of the seismogenic plate interfac...

    Jun Kameda, Sayako Inoue, Wataru Tanikawa, Asuka Yamaguchi, Yohei Hamada, Yoshitaka Hashimoto and Gaku Kimura

    Earth, Planets and Space 2017 69:52

    Published on: 18 April 2017

  5. Full paper

    Paleomagnetic direction and paleointensity variations during the Matuyama–Brunhes polarity transition from a marine succession in the Chiba composite section of the Boso Peninsula, central Japan

    The youngest geomagnetic polarity reversal, the Matuyama–Brunhes (M–B) boundary, provides an important plane of data for sediments, ice cores, and lavas. The geomagnetic field intensity and directional changes...

    Makoto Okada, Yusuke Suganuma, Yuki Haneda and Osamu Kazaoka

    Earth, Planets and Space 2017 69:45

    Published on: 21 March 2017

  6. Full paper

    Permeability-control on volcanic hydrothermal system: case study for Mt. Tokachidake, Japan, based on numerical simulation and field observation

    We investigate a volcanic hydrothermal system by using numerical simulation with three key observables as reference: the magnetic total field, vent temperature, and heat flux. We model the shallow hydrothermal...

    Ryo Tanaka, Takeshi Hashimoto, Nobuo Matsushima and Tsuneo Ishido

    Earth, Planets and Space 2017 69:39

    Published on: 8 March 2017

  7. Letter

    Local site effects in Kumamoto City revealed by the 2016 Kumamoto earthquake

    To evaluate local site effects in Kumamoto City, we installed six temporary seismic stations along a 6-km north–south survey line in the city immediately after the 2016 Kumamoto earthquake foreshock (Mj 6.4),...

    Seiji Tsuno, Masahiro Korenaga, Kyosuke Okamoto, Hiroaki Yamanaka, Kosuke Chimoto and Takeshi Matsushima

    Earth, Planets and Space 2017 69:37

    Published on: 7 March 2017

  8. Express Letter

    Anelastic properties beneath the Niigata–Kobe Tectonic Zone, Japan

    We estimate the three-dimensional (3D) P-wave attenuation structure beneath the Niigata–Kobe Tectonic Zone (NKTZ), central Japan, using high-quality waveform data from a large number of stations. The obtained ...

    Junichi Nakajima and Toru Matsuzawa

    Earth, Planets and Space 2017 69:33

    Published on: 22 February 2017

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