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  1. Letter

    Ground uplift related to permeability enhancement following the 2011 Tohoku earthquake in the Kanto Plain, Japan

    We investigated the post-seismic surface displacement of the 2011 Tohoku earthquake around the Kanto Plain (including the capital area of Japan), which is located approximately 400 km from the epicenter, using...

    Kazuya Ishitsuka, Toshifumi Matsuoka, Takuya Nishimura, Takeshi Tsuji and Tamer ElGharbawi

    Earth, Planets and Space 2017 69:81

    Published on: 19 June 2017

  2. Frontier letter

    Design and operation of a 1500-m laser strainmeter installed at an underground site in Kamioka, Japan

    A laser strainmeter with a 1500-m baseline was constructed at an underground site in Kamioka, Gifu Prefecture, Japan, and has been operating since August 2016. The laser interferometer measures the change in d...

    Akito Araya, Akiteru Takamori, Wataru Morii, Kouseki Miyo, Masatake Ohashi, Kazuhiro Hayama, Takashi Uchiyama, Shinji Miyoki and Yoshio Saito

    Earth, Planets and Space 2017 69:77

    Published on: 8 June 2017

  3. Full paper

    Volcanic deformation of Atosanupuri volcanic complex in the Kussharo caldera, Japan, from 1993 to 2016 revealed by JERS-1, ALOS, and ALOS-2 radar interferometry

    A series of uplifts and subsidences of a volcanic complex in the Kussharo caldera in eastern Hokkaido (Japan) has been revealed by interferometric analysis using archived satellite synthetic aperture radar dat...

    Satoshi Fujiwara, Makoto Murakami, Takuya Nishimura, Mikio Tobita, Hiroshi Yarai and Tomokazu Kobayashi

    Earth, Planets and Space 2017 69:78

    Published on: 8 June 2017

  4. Express Letter

    Spatial variation in coda Q in the northeastern part of Niigata–Kobe Tectonic Zone, central Japan: implication of the cause of a high strain rate zone

    We have analyzed the spatial variation in coda Q in the northeastern part of a high strain rate zone, the Niigata–Kobe Tectonic Zone (NKTZ), to investigate the cause of the high strain rate by correlating coda Q ...

    Masanobu Dojo and Yoshihiro Hiramatsu

    Earth, Planets and Space 2017 69:76

    Published on: 5 June 2017

  5. Technical report

    Space environment data acquisition monitor onboard Himawari-8 for space environment monitoring on the Japanese meridian of geostationary orbit

    A space environment data acquisition monitor (SEDA) has been flown onboard the Japanese meteorological satellites ‘Himawari-8/9’ as one of the housekeeping information monitors for satellite operation. SEDA co...

    Tsutomu Nagatsuma, Kaori Sakaguchi, Yûki Kubo, Piet Belgraver, Frédéric Chastellain, Reto Muff and Takeshi Otomo

    Earth, Planets and Space 2017 69:75

    Published on: 30 May 2017

  6. Express Letter

    Recovery process of shear wave velocities of volcanic soil in central Mashiki Town after the 2016 Kumamoto earthquake revealed by intermittent measurements of microtremor

    An earthquake of JMA magnitude 6.5 (foreshock) hit Kumamoto Prefecture, Japan, at 21:26 JST on April 14, 2016. Subsequently, an earthquake of JMA magnitude 7.3 (main shock) hit Kumamoto and Oita Prefectures a...

    Yoshiya Hata, Masayuki Yoshimi, Hiroyuki Goto, Takashi Hosoya, Hitoshi Morikawa and Takao Kagawa

    Earth, Planets and Space 2017 69:72

    Published on: 22 May 2017

  7. Letter

    Geomagnetic storms of cycle 24 and their solar sources

    Solar activity of cycle 24 following the deep minimum between cycle 23 and cycle 24 is the weakest one since cycle 14 (1902–1913). Geomagnetic activity is also low in cycle 24. We show that this low geomagneti...

    Shinichi Watari

    Earth, Planets and Space 2017 69:70

    Published on: 19 May 2017

  8. Frontier letter

    Quasi-Cartesian finite-difference computation of seismic wave propagation for a three-dimensional sub-global model

    A simple and efficient finite-difference scheme is developed to calculate seismic wave propagation in a partial spherical shell model of a three-dimensionally (3-D) heterogeneous global Earth structure for mod...

    Hiroshi Takenaka, Masanao Komatsu, Genti Toyokuni, Takeshi Nakamura and Taro Okamoto

    Earth, Planets and Space 2017 69:67

    Published on: 12 May 2017

  9. Full paper

    Nighttime Pc3 pulsations: MM100 and MAGDAS observations

    In this paper, we present a statistical and case analysis of nighttime Pc3 pulsations observed from middle to equatorial latitudes during the year 2003. We found two groups of nighttime Pc3 pulsations. Pc3s of...

    Nadezda V. Yagova, Balazs Heilig, Vyacheslav A. Pilipenko, Akimasa Yoshikawa, Nataliya S. Nosikova, Kiyohumi Yumoto and Jan Reda

    Earth, Planets and Space 2017 69:61

    Published on: 2 May 2017

  10. Full paper

    Effects of the 2016 Kumamoto earthquakes on the Aso volcanic edifice

    Large earthquakes occurred in the central part of Kumamoto Prefecture on April 14–16, 2016, causing severe damage to the northern segment of the Hinagu faults and the eastern segment of the Futagawa faults. Ea...

    Yasuhisa Tajima, Toshiaki Hasenaka and Masayuki Torii

    Earth, Planets and Space 2017 69:63

    Published on: 2 May 2017

  11. Full paper

    Using ambient vibration measurements for risk assessment at an urban scale: from numerical proof of concept to Beirut case study (Lebanon)

    Post-seismic investigations repeatedly indicate that structures having frequencies close to foundation soil frequencies exhibit significantly heavier damages (Caracas 1967; Mexico 1985; Pujili, Ecuador 1996; L...

    Christelle Salameh, Pierre-Yves Bard, Bertrand Guillier, Jacques Harb, Cécile Cornou, Jocelyne Gérard and Michelle Almakari

    Earth, Planets and Space 2017 69:60

    Published on: 26 April 2017

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