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  1. We have built an X-ray ultraviolet (XUV) scanner on board Mars orbiter NOZOMI (Planet-B). This scanner has the He I and II emissions from the Martian atmosphere and ionosphere as its main target. These EUV emi...

    Authors: M. Nakamura, K. Yamashita, I. Yoshikawa, K. Shiomi, A. Yamazaki, S. Sasaki, Y. Takizawa, M. Hirahara, W. Miyake, Y. Saito and S. Chakrabarti

    Citation: Earth, Planets and Space 2014 51:BF03352210

    Content type: Article

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  2. The GEOTAIL satellite observed an interesting oscillation phenomenon of low energy plasma (LEP) in the dawnside outer magnetosphere. The oscillation was taking place with a frequency double that of the transve...

    Authors: Tohru Sakurai, Yutaka Tonegawa, Takuya Kitagawa, Motoharu Nowada, Ayako Yamawaki, Toshifumi Mukai, Susumu Kokubun, Tatsundo Yamamoto and Koichiro Tsuruda

    Citation: Earth, Planets and Space 2014 51:BF03352208

    Content type: Article

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  3. The Polar Patrol Balloon No. 6 (PPB#6) observed quasi-periodic pulsations of bremsstrahlung X-rays (E 30∼120 keV) in the daytime of 0855 UT (0914 MLT) ∼ 1630 UT (1614 MLT) on January 5, 1993, near Syowa Station, ...

    Authors: Yo Hirasima, Hisashi Shimobayashi, Hisao Yamagishi, Hiromu Suzuki, Hiroyuki Murakami, Akihiro Yamada, Takamasa Yamagami, Michiyoshi Namiki and Masahiro Kodama

    Citation: Earth, Planets and Space 2014 51:BF03352207

    Content type: Article

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  4. Perturbed periods characterized by the AA* index compiled from 1868 to 1992 are considered. Our analysis of the geomagnetic activity is done by considering the even-odd effect, that was observed in the maximum so...

    Authors: V. M. Silbergleit

    Citation: Earth, Planets and Space 2014 51:BF03352205

    Content type: Article

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  5. We carried out both absolute and relative gravity measurements in the Izu Peninsula just before and after the March 1997 earthquake swarm occurred. The measurements revealed significant absolute gravity change...

    Authors: Shigeo Yoshida, Gaku Seta, Shuhei Okubo and Shigeki Kobayashi

    Citation: Earth, Planets and Space 2014 51:BF03352203

    Content type: Article

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  6. According to the theory of plate tectonics proposed in the late 1960’s, the Earth’s surface is covered by about ten rigid plates, which are generated at mid-oceanic ridges, move to oceanic trenches, and there ...

    Authors: Mizuho Ishida, Shigenori Maruyama, Daisuke Suetsugu, Shigeru Matsuzaka and Takao Eguchi

    Citation: Earth, Planets and Space 2014 51:BF03352201

    Content type: Research News

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  7. Recent geophysical evidence from seismology, mineral physics, viscosity inversion shows that the mantle between 400 and 1000 km is extremely complicated, with intermediate scale structures present regionally a...

    Authors: David A. Yuen, Laszlo Cserepes and Brigit A. Schroeder

    Citation: Earth, Planets and Space 2014 50:BF03352198

    Content type: Article

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  8. A technique for detecting intermediate-period (6–12 s) Sd P phases converted from S to P at a depth d in the source region is described. Previously, these phases were detected in short-period array recordings of ...

    Authors: Lev Vinnik, Fenglin Niu and Hitoshi Kawakatsu

    Citation: Earth, Planets and Space 2014 50:BF03352193

    Content type: Article

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  9. Broadband seismic waveform data are stacked to investigate the mantle discontinuities beneath a station. A polarized filter is devised to remove pseudo-signals in the stacked traces, which might be otherwise m...

    Authors: Fenglin Niu and Hitoshi Kawakatsu

    Citation: Earth, Planets and Space 2014 50:BF03352191

    Content type: Article

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  10. Recent P wave travel-time tomographic studies using data from the International Seismological Centre (ISC) catalog determine a large-scale subhorizontal high velocity anomaly in the northwestern Pacific subduc...

    Authors: Fumiko Tajima, Yoshio Fukao, Masayuki Obayashi and Taro Sakurai

    Citation: Earth, Planets and Space 2014 50:BF03352190

    Content type: Article

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  11. We describe the scientific purposes and experimental set-up of an international deployment of a 3 component broadband seismometer package on the ocean floor in Monterey Bay which took place during the summer o...

    Authors: Barbara Romanowicz, Debra Stakes, Jean Paul Montagner, Pascal Tarits, Robert Uhrhammer, Michael Begnaud, Eleonore Stutzmann, Michael Pasyanos, Jean-Francois Karczewski, Steven Etchemendy and Douglas Neuhauser

    Citation: Earth, Planets and Space 2014 50:BF03352188

    Content type: Article

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  12. In order to better understand earthquake generation, tectonics at plate boundaries, and better image the Earth’s deep structures, real-time geophysical measurements in the ocean are required. We therefore atte...

    Authors: Junzo Kasahara, Toshinori Sato, Hiroyasu Momma and Yuichi Shirasaki

    Citation: Earth, Planets and Space 2014 50:BF03352187

    Content type: Article

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  13. We have developed systems for measuring differential displacements across a fault zone, and examined their resolutions through seafloor experiments at relatively short baselines. A system for a seafloor extens...

    Authors: Hiromi Fujimoto, Kin-ichiro Koizumi, Yukihito Osada and Toshihiko Kanazawa

    Citation: Earth, Planets and Space 2014 50:BF03352186

    Content type: Article

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  14. A new type of SeaFloor ElectroMagnetic Station (SFEMS) has been newly developed by adding a magnetotelluric (MT) variograph to its prototype built previously (Toh and Hamano, 1997). New SFEMS is able to conduc...

    Authors: Hiroaki Toh, Tadanori Goto and Yozo Hamano

    Citation: Earth, Planets and Space 2014 50:BF03352185

    Content type: Article

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  15. Authors: Hitoshi Kawakatsu, Craig Bina and Alex Forte

    Citation: Earth, Planets and Space 2014 50:BF03352184

    Content type: Article

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  16. Imanishi (this issue) commented that (1) the noise level at Matsushiro, Japan (MA) is much lower than at Syowa Station, Antarctica (SY), (2) oscillation signals are not observed at MA, and therefore (3) peaks ...

    Authors: Kazunari Nawa, Naoki Suda, Yoshio Fukao, Tadahiro Sato, Yuichi Aoyama and Kazuo Shibuya

    Citation: Earth, Planets and Space 2014 50:BF03352183

    Content type: Correspondence

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  17. Recent three-dimensional simulations of the Martian plasma and magnetic field environment found some unique effects—a strong asymmetry of the bow shock and the magnetic field draping, asymmetry of plasma inflo...

    Authors: E. Dubinin, K. Sauer, M. Delva and T. Tanaka

    Citation: Earth, Planets and Space 2014 50:BF03352181

    Content type: Article

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  18. Large number of high dispersion whistlers recorded at low latitude station Varanasi (L = 1.07) are analysed and it is find out that they have propagated along L≃ 2.12–2.76. This is explained by considering the pr...

    Authors: R. P. Singh, U. P. Singh, Ashok K. Singh and D. P. Singh

    Citation: Earth, Planets and Space 2014 50:BF03352180

    Content type: Article

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  19. To study the ring current structure in the inner magnetosphere, we have statistically examined the magnetic field data acquired by ETS-VI (the Engineering Test Satellite-VI). During a magnetic storm, the Dst inde...

    Authors: N. Terada, T. Iyemori, M. Nosé, T. Nagai, H. Matsumoto and T. Goka

    Citation: Earth, Planets and Space 2014 50:BF03352179

    Content type: Article

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  20. A short review is given of the contemporary concepts and controversies concerning the electromagnetic effects observed in space which are considered to be the results of energy transport from surface and/or lo...

    Authors: Yu. Galperin and M. Hayakawa

    Citation: Earth, Planets and Space 2014 50:BF03352175

    Content type: Article

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  21. Fluid flow in the core is assumed to consist of a slowly varying (on time scales > magnetic diffusion time) part and a smaller, rapidly varying part as in the theory of the hydromagnetic dynamo put forward by ...

    Authors: A. Bhattacharyya

    Citation: Earth, Planets and Space 2014 50:BF03352174

    Content type: Article

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  22. Co-seismic horizontal displacements, which have been obtained from recently released GPS observations on the Akashi Kaikyo Bridge, are examined for their consistency with displacements observed in the vicinity...

    Authors: Kazuki Koketsu, Shingo Yoshida and Hiromichi Higashihara

    Citation: Earth, Planets and Space 2014 50:BF03352173

    Content type: Article

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  23. The characteristic scale of the Martian magnetosheath is less than the pick-up gyroradius of oxygen ions. This leads to admissible differential motion of protons and heavies and a strong coupling between both ...

    Authors: Konrad Sauer, Eduard Dubinin and Klaus Baumgärtel

    Citation: Earth, Planets and Space 2014 50:BF03352171

    Content type: Article

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  24. The Planet-B neutral gas mass spectrometer is designed for in-situ measurements of the gas composition in the upper atmosphere of Mars. The sensor uses a dual frequency quadrupole mass analyzer with a mass ran...

    Authors: H. B. Niemann, D. N. Harpold, S. Feng, W. T. Kasprzak, S. H. Way, S. K. Atreya, B. Block, G. R. Carignan, T. M. Donahue, A. F. Nagy, S. W. Bougher, D. M. Hunten, T. C. Owen, S. J. Bauer, H. J. Hayakawa, T. Mukai…

    Citation: Earth, Planets and Space 2014 50:BF03352170

    Content type: Article

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  25. Wavelet analysis is suitable for investigating waves, such as Pi 2 pulsations, which are limited in both time and frequency. We have developed an algorithm to detect Pi 2 pulsations by wavelet analysis. We tes...

    Authors: M. Nosé, T. Iyemori, M. Takeda, T. Kamei, D. K. Milling, D. Orr, H. J. Singer, E. W. Worthington and N. Sumitomo

    Citation: Earth, Planets and Space 2014 50:BF03352169

    Content type: Article

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  26. Characteristics of geomagnetic sudden commencement (SC) observed in middle and low latitudes are discussed on the basis of data analyses of magnetic variations and a numerical calculation. From the data analys...

    Authors: Satoru Tsunomura

    Citation: Earth, Planets and Space 2014 50:BF03352168

    Content type: Article

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    The Erratum to this article has been published in Earth, Planets and Space 2014 51:BF03352211

  27. Two rocket experiments were carried out just before and after the polar night at Andoya (69°N), Norway to investigate transport of nitric oxide produced by auroral processes into the middle atmosphere and its ...

    Authors: Naomoto Iwagami, Hiromasa Yamamoto, Ken-ichi Yajima, Hiroyuki Sekiguchi, Takashi Watanabe, Katsuhisa Suzuki, Kazuo Shibasaki, Hiroshi Amemiya, Masayuki Yamamoto and Takayuki Ono

    Citation: Earth, Planets and Space 2014 50:BF03352167

    Content type: Article

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  28. Chamosite-hematite type oolitic ironstone is distributed in the Cretaceous-Tertiary (K-T) boundary zone of the Hazara area, Lesser Himalayan thrust zone, in the northwestern margin of the Indo-Pakistani subcon...

    Authors: Mitsuo Yoshida, Ibrar H. Khan and Mirza Naseer Ahmad

    Citation: Earth, Planets and Space 2014 50:BF03352166

    Content type: Article

    Published on:

  29. Spherical harmonic models of the 1969, 1979 and 1992 geomagnetic jerks are computed using data from about 160 worldwide geomagnetic observatories. The dominance of the internal origin part with respect to the ...

    Authors: Minh Le Huy, Mioara Alexandrescu, Gauthier Hulot and Jean-Louis Le Mouël

    Citation: Earth, Planets and Space 2014 50:BF03352165

    Content type: Article

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  30. A precise geodetic measurement network using three modern space geodetic techniques, i.e. Very Long Baseline Interferometry, Satellite Laser Ranging, and Global Positioning System, is being established around ...

    Authors: Yasuhiro Koyama, Noriyuki Kurihara, Tetsuro Kondo, Mamoru Sekido, Yukio Takahashi, Hitoshi Kiuchi and Kosuke Heki

    Citation: Earth, Planets and Space 2014 50:BF03352164

    Content type: Article

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