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  1. The 2004 off the Kii Peninsula earthquake occurred on September 5, 2004. Knowing the precise aftershock distribution is important for understanding the mechanism of this earthquake. However, the hypocenter of ...

    Authors: Shin’ichi Sakai, Tomoaki Yamada, Masanao Shinohara, Hiroko Hagiwara, Toshihiko Kanazawa, Koichiro Obana, Shuichi Kodaira and Yoshiyuki Kaneda
    Citation: Earth, Planets and Space 2014 57:BF03352577
  2. Two large intraplate earthquakes (MW 7.0 and 7.3) occurred off the southeastern Kii Peninsula on September 5, 2004. We determined the centroid moment tensors of these earthquakes and their aftershocks. Earthquake...

    Authors: Yoshihiro Ito, Takumi Matsumoto, Hisanori Kimura, Hirotoshi Matsubayashi, Kazushige Obara and Shoji Sekiguchi
    Citation: Earth, Planets and Space 2014 57:BF03352575
  3. We estimated the source model for the foreshock of the 2004 off the Kii peninsula earthquakes by empirical Green’s function modeling. The size and the rise time of the strong motion generation area (SMGA) were...

    Authors: Wataru Suzuki, Tomotaka Iwata, Kimiyuki Asano and Nobuyuki Yamada
    Citation: Earth, Planets and Space 2014 57:BF03352574
  4. We made a close investigation about the initial rising slopes of the envelope waveforms of the P-wave ground motion by using data for recent earthquakes. We have found that the P-wave initial slopes decrease almo...

    Authors: Toshikazu Odaka, Hiromitsu Nakamura and Kimitoshi Ashiya
    Citation: Earth, Planets and Space 2014 57:BF03352572
  5. Anomalous seismic events were observed after the occurrence of the foreshock (Mw=7.2) and the main shock (Mw=7.5) of the 2004 off the Kii peninsula earthquakes. These anomalous events are characterized by very...

    Authors: Kazushige Obara and Yoshihiro Ito
    Citation: Earth, Planets and Space 2014 57:BF03352570
  6. The 2004 off the Kii peninsula earthquakes (Mj7.1 and Mj7.4) occurred at the Nankai trough, on 5 September 2004. Clear strain-steps associated with these earthquakes were observed with Ishii-type borehole stra...

    Authors: Yasuhiro Asai, Makoto Okubo, Hiroshi Ishii, Harumi Aoki, Tsuneo Yamauchi, Yuuichi Kitagawa and Naoji Koizumi
    Citation: Earth, Planets and Space 2014 57:BF03352568
  7. Dynamic strain seismograms obtained by high-speed sampling include not only long-period changes, such as ‘strain-step’, step change in strain, but also short period variations, such as body waves. We studied d...

    Authors: Makoto Okubo, Yasuhiro Asai, Harumi Aoki and Hiroshi Ishii
    Citation: Earth, Planets and Space 2014 57:BF03352567
  8. A tsunami due to the 2004 M7.4 September 5th earthquake off of the Kii peninsula, Japan, was recorded at the GPS buoy newly designed and established in April 2004, about 13 km off of the Muroto Promontory, sou...

    Authors: Teruyuki Kato, Yukihiro Terada, Keiji Ito, Ryuji Hattori, Takenori Abe, Toshihide Miyake, Shun’ichi Koshimura and Toshihiko Nagai
    Citation: Earth, Planets and Space 2014 57:BF03352566
  9. The effects of satellite ground track changes of GRACE on monthly gravity field recoveries are investigated. In the case of a gravity field recovery using a relatively short period of a month or so, the variat...

    Authors: Keiko Yamamoto, Toshimichi Otsubo, Toshihiro Kubo-oka and Yoichi Fukuda
    Citation: Earth, Planets and Space 2014 57:BF03352565
  10. The results of GPS positioning depend on both functional and stochastic models. In most of the current GPS processing programs, however, the stochastic model that describes the statistical properties of GPS ob...

    Authors: Shuanggen Jin, J. Wang and Pil-Ho Park
    Citation: Earth, Planets and Space 2014 57:BF03352561
  11. This paper reports a finding that marine gravity data around the Japanese Islands are inconsistent with nearby land gravity data. The comparison between land and marine gravity was made possible by the gravity...

    Authors: Jiro Segawa, Masao Komazawa, K. Vijay Kumar, Eiji Nakayama, E. John Joseph, Shigekazu Kusumoto, Ken-ei Onodera and Yuki Kuroishi
    Citation: Earth, Planets and Space 2014 57:BF03352560
  12. We detected phase disturbances of the Free Core Nutation (FCN) of the Earth directly from the analysis of the Very Long Baseline Interferometer (VLBI) observation of the Earth rotation for the period 1984–2003...

    Authors: Toshimichi Shirai, Toshio Fukushima and Zinovy Malkin
    Citation: Earth, Planets and Space 2014 57:BF03352559
  13. The rate of secular variation occasionally undergoes a sudden, sharp change, called a geomagnetic jerk. Such jerks have been detected in geomagnetic time series, centered—over the last four decades—around 1971...

    Authors: Aude Chambodut and Mioara Mandea
    Citation: Earth, Planets and Space 2014 57:BF03352558
  14. The ε parameter of Akasofu and the general formula of Vasyliunas et al. (1982) have been widely used as functions representing the rate of the solar wind energy input into the Earth’s magnetosphere. These two fun...

    Authors: Takao Aoki
    Citation: Earth, Planets and Space 2014 57:BF03352557
  15. We investigate the dynamics of charged particles in the dayside magnetosphere in response to abrupt variations of the solar wind dynamical pressure. Using test particle simulations, we show that the electric f...

    Authors: D. C. Delcourt, H. V. Malova, L. M. Zelenyi, J.-A. Sauvaud, T. E. Moore and M.-C. Fok
    Citation: Earth, Planets and Space 2014 57:BF03352556
  16. Microearthquake observation using Ocean Bottom Seismometers (OBSs) was carried out to obtain a detailed distribution of microearthquakes beneath the area off Fukushima, in the middle section of the Japan Trenc...

    Authors: Masanao Shinohara, Ryota Hino, Takashi Yoshizawa, Minoru Nishino, Toshinori Sato and Kiyoshi Suyehiro
    Citation: Earth, Planets and Space 2014 57:BF03352553
  17. We newly developed a technique of radiation thermometry using a Sony’s consumer digital camcorder. Our system is not only convenience and cost effective but with a better performance than previous infrared the...

    Authors: Takeshi Saito, Satoshi Sakai, Isao Iizawa, Eriko Suda, Kazuhiro Umetani, Katsuya Kaneko, Yoshitsugu Furukawa and Takahiro Ohkura
    Citation: Earth, Planets and Space 2014 57:BF03352550
  18. Deep-tow vector magnetic data have been acquired across the fast-spreading southern East Pacific Rise 18°S and inverted to magnetization intensity variations. Vector magnetic data are used to determine continu...

    Authors: Michiko Yamamoto, Nobukazu Seama and Nobuhiro Isezaki
    Citation: Earth, Planets and Space 2014 57:BF03351835
  19. The geologic structure of the Uonuma Hills, the site of the 2004 Mid-Niigata Prefecture Earthquake (MJMA 6.8), Japan, is examined based on published geologic maps, drill hole data and seismic reflection profiles....

    Authors: Hiroshi Sato and Naoko Kato
    Citation: Earth, Planets and Space 2014 57:BF03351833
  20. Across the source region of the 2004 Mid-Niigata Prefecture earthquake, wideband magnetotelluric (MT) survey was performed just after the onset of the mainshock. Owing to the temporal stop of the DC powered ra...

    Authors: Makoto Uyeshima, Yasuo Ogawa, Yoshimori Honkura, Shigeru Koyama, Naoto Ujihara, Toru Mogi, Yusuke Yamaya, Makoto Harada, Satoru Yamaguchi, Ichiro Shiozaki, Tatsuya Noguchi, Yoshihiro Kuwaba, Yoshikazu Tanaka, Yuji Mochido, Noriko Manabe, Masanori Nishihara…
    Citation: Earth, Planets and Space 2014 57:BF03351831
  21. The 2004 mid Niigata prefecture earthquake with M6.8 occurred in the north of central part of Japan. It was a reverse fault by the regional compression stress field in NW-SE direction. Several aftershocks with...

    Authors: Masahiro Korenaga, Satoshi Matsumoto, Yoshihisa Iio, Takeshi Matsushima, Kenji Uehira and Takuo Shibutani
    Citation: Earth, Planets and Space 2014 57:BF03351829
  22. A seismic network was deployed the day after the main shock of the 2004 Mid-Niigata Prefecture Earthquake to determine the major source faults responsible for the main shock and large aftershocks. Using the hi...

    Authors: Shin’ichi Sakai, Naoshi Hirata, Aitaro Kato, Eiji Kurashimo, Takaya Iwasaki and Toshihiko Kanazawa
    Citation: Earth, Planets and Space 2014 57:BF03351827
  23. We compare, for the first time, geomagnetically-conjugate plasma bubbles observed by ground-based OI 630.0-nm all-sky imagers at Shigaraki, Japan (34.8°N, 136.1°E; magnetic latitude 25.4°N) and Darwin, Austral...

    Authors: Tadahiko Ogawa, Eiichi Sagawa, Yuichi Otsuka, Kazuo Shiokawa, Thomas I. Immel, Stephen B. Mende and Phil Wilkinson
    Citation: Earth, Planets and Space 2014 57:BF03351822
  24. We examined the thermal structure of the crust across complex deformation zones in SW Turkey using the Curie Point Depth (CPD) estimates and made comparisons of the thermal state of the crust with the seismic ...

    Authors: M. Nuri Dolmaz, Timur Ustaömer, Z. Mumtaz Hisarli and Naci Orbay
    Citation: Earth, Planets and Space 2014 57:BF03351821
  25. Clear VLF electromagnetic (EM) anomalies were detected prior to the Athens earthquake (EQ). We attempt to establish the hypothesis that these emissions were launched from the pre-focal area during micro-fractu...

    Authors: Panayiotis Kapiris, Konstantinos Nomicos, George Antonopoulos, John Polygiannakis, Konstantinos Karamanos, John Kopanas, Athanassios Zissos, Athanassios Peratzakis and Konstantinos Eftaxias
    Citation: Earth, Planets and Space 2014 57:BF03351818
  26. The Nankai Trough is an active convergent region in southwest Japan and mega-thrust earthquakes have repeatedly occurred in some areas of its plate-boundary interface. Generation of mega-thrust earthquakes is ...

    Authors: Takafumi Kasaya, Tada-nori Goto, Hitoshi Mikada, Kiyoshi Baba, Kiyoshi Suyehiro and Hisashi Utada
    Citation: Earth, Planets and Space 2014 57:BF03351817
  27. The 2004 off the Kii Peninsula earthquake excited long-period ground motions over a wide area of Honshu Island of Japan. This remarkable excitation was observed in the Osaka, Nobi, and Kanto basins as well as ...

    Authors: Hiroe Miyake and Kazuki Koketsu
    Citation: Earth, Planets and Space 2014 57:BF03351816
  28. Long-period (5–20 s) ground motion simulations in the Kinki area during the MJ 7.1 foreshock of the 2004 off the Kii peninsula earthquakes are performed. We construct a three-dimensional underground structure mod...

    Authors: Nobuyuki Yamada and Tomotaka Iwata
    Citation: Earth, Planets and Space 2014 57:BF03351815
  29. We present crustal deformations in southern Kii peninsula, southwest Japan, before and after the SE off the Kii peninsula earthquake sequence of September 5, 2004, which were obtained from repeated surveys of ...

    Authors: Manabu Hashimoto, Kensuke Onoue, Fumio Ohya, Yoshinobu Hoso, Kohei Segawa, Kazutoshi Sato and Yasuyoshi Fujita
    Citation: Earth, Planets and Space 2014 57:BF03351813
  30. Tsunamis from the 2004 off the Kii Peninsula earthquakes (M 7.1 and 7.4) were recorded on offshore tsunami gauges, a GPS tsunami gauge and eight bottom-pressure gauges, as well as coastal tide gauges located s...

    Authors: Kenji Satake, Toshitaka Baba, Kenji Hirata, Shin-Iti Iwasaki, Teruyuki Kato, Shunichi Koshimura, Jun Takenaka and Yukihiro Terada
    Citation: Earth, Planets and Space 2014 57:BF03351811
  31. A tsunami height survey was conducted immediately after the 2004 off the Kii peninsula earthquakes. Results of the survey show that the largest tsunami height was about 4.6 m locally at Kiho-cho, Mie prefectur...

    Authors: Nobuaki Koike, Tomoyuki Takahashi, Kentaro Imai, Yuichiro Tanioka, Yuichi Nishimura, Kenji Harada, Shingo Suzuki, Koji Fujima, Yoshinori Shigihara, Yuichi Namegaya and Shunichi Koshimura
    Citation: Earth, Planets and Space 2014 57:BF03351808
  32. We studied the effects of the surface roughness and porosity of a sample layer on its light-scattering properties in laboratory experiments using fly ash, iron, graphite, and olivine powders. Three types of su...

    Authors: Tatsuya Sakai and Akiko M. Nakamura
    Citation: Earth, Planets and Space 2014 57:BF03351807
  33. A detailed paleomagnetic and rock magnetic investigation was carried out on calcareous nodule layers embedded in the loess-paleosol sequences near Baoji city, southern Chinese Loess Plateau. The anisotropy of ...

    Authors: Tianshui Yang, Masayuki Hyodo, Zhenyu Yang and Zhiming Sun
    Citation: Earth, Planets and Space 2014 57:BF03351803

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