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4. Seismology

Page 8 of 8

  1. The Nankai Trough subduction zone in southwest Japan is a typical convergent margin where the Philippine Sea plate subducts in the northwest direction beneath the Eurasian plate, and devastating earthquakes ha...

    Authors: Toru Takeshita, Asuka Yamaguchi and Norio Shigematsu

    Citation: Earth, Planets and Space 2014 66:144

    Content type: Full paper

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  2. Multichannel seismic reflection lines image the subducting Pacific Plate to approximately 75 km seaward of the Japan Trench and document the incoming plate sediment, faults, and deformation front near the 2011...

    Authors: Brian Boston, Gregory F Moore, Yasuyuki Nakamura and Shuichi Kodaira

    Citation: Earth, Planets and Space 2014 66:135

    Content type: Full paper

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  3. We used push corers during manned submersible dives to obtain sediment samples of up to 30 cm from the subseafloor at the Oomine Ridge. The concentrations of B in pore water extracted from the sediment samples...

    Authors: Tomohiro Toki, Ryosaku Higa, Akira Ijiri, Urumu Tsunogai and Juichiro Ashi

    Citation: Earth, Planets and Space 2014 66:137

    Content type: Full paper

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  4. In the Hikurangi subduction zone, situated along the east coast of the North Island, New Zealand, where the old oceanic Pacific Plate is subducting beneath the Australian Plate, several slow slip events and te...

    Authors: Suguru Yabe, Satoshi Ide and Shoichi Yoshioka

    Citation: Earth, Planets and Space 2014 66:142

    Content type: Full paper

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  5. Tectonic mélange zones within ancient accretionary complexes include various styles of strain accommodation along subduction interfaces from shallow to deep. The ductile-brittle transition at shallower portion...

    Authors: Yoshitaka Hashimoto and Natsuko Yamano

    Citation: Earth, Planets and Space 2014 66:141

    Content type: Letter

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  6. Triaxial shear tests on mudstone samples from the Shimanto Belt and the Boso accretionary complexes (SW Japan and central Japan) were carried out. Pre-exhumation burial depths in the two paleo-accretionary pri...

    Authors: Kai Schumann, Jan H Behrmann, Michael Stipp, Yuzuru Yamamoto, Yujin Kitamura and Christof Lempp

    Citation: Earth, Planets and Space 2014 66:129

    Content type: Full paper

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  7. The effects of temperature on the mechanics of deep earthquakes are investigated based on detailed seismic images of a horizontal portion of the Tonga slab (19°S to 22°S). The hypocenter distribution of deep e...

    Authors: Satoshi Kaneshima and Shoichi Yoshioka

    Citation: Earth, Planets and Space 2014 66:138

    Content type: FRONTIER LETTER

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  8. Heat flow measurements were conducted at four sites in the Nankai accretionary prism southeast of the Kii Peninsula, around the area where the megasplay fault reaches the surface, in conjunction with long-term...

    Authors: Makoto Yamano, Yoshifumi Kawada and Hideki Hamamoto

    Citation: Earth, Planets and Space 2014 66:126

    Content type: Letter

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  9. To validate the abundance of scenarios of large earthquakes in the Nankai Trough, we examined the effects of both lateral and vertical expansions of the source areas on maximum tsunami heights along the Pacifi...

    Authors: Mamoru Hyodo, Takane Hori, Kazuto Ando and Toshitaka Baba

    Citation: Earth, Planets and Space 2014 66:123

    Content type: Full paper

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  10. Seismic image and velocity models were obtained from a newly conducted seismic survey around the Integrated Ocean Drilling Program (IODP) Japan Trench Fast Drilling Project (JFAST) drill site in the Japan Tren...

    Authors: Yasuyuki Nakamura, Shuichi Kodaira, Becky J Cook, Tamara Jeppson, Takafumi Kasaya, Yojiro Yamamoto, Yoshitaka Hashimoto, Mika Yamaguchi, Koichiro Obana and Gou Fujie

    Citation: Earth, Planets and Space 2014 66:121

    Content type: Full paper

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  11. In 2010, the first long-term borehole monitoring system was deployed at approximately 900 m below the sea floor (mbsf) and was assumed to be situated above the updip limit of the seismogenic zone in the Nankai...

    Authors: Takamitsu Sugihara, Masataka Kinoshita, Eichiro Araki, Toshinori Kimura, Masanori Kyo, Yasuhiro Namba, Yukari Kido, Yoshinori Sanada and Moe Kyaw Thu

    Citation: Earth, Planets and Space 2014 66:107

    Content type: Full paper

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  12. A better understanding of fluid-related processes such as poroelastic rebound of the upper crust and weakening of the lower crust beneath the volcanic arc helps better understand and correctly interpret the he...

    Authors: Yan Hu, Roland Bürgmann, Jeffrey T Freymueller, Paramesh Banerjee and Kelin Wang

    Citation: Earth, Planets and Space 2014 66:106

    Content type: Full paper

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  13. In this study, we develop stochastic random-field slip models for the 2011 Tohoku earthquake and conduct a rigorous sensitivity analysis of tsunami hazards with respect to the uncertainty of earthquake slip an...

    Authors: Katsuichiro Goda, Paul Martin Mai, Tomohiro Yasuda and Nobuhito Mori

    Citation: Earth, Planets and Space 2014 66:105

    Content type: Full paper

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  14. Continuous 3-year records of broadband ocean-bottom seismometers and pressure gauges of the seafloor network (Dense Oceanfloor Network System for Earthquakes and Tsunamis (DONET)) in the Nankai Trough region m...

    Authors: Yoko Tono, Kiwamu Nishida, Yoshio Fukao, Akiko To and Narumi Takahashi

    Citation: Earth, Planets and Space 2014 66:99

    Content type: Letter

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  15. To understand the mechanism of an intensive non-volcanic seismic swarm in the Kii Peninsula, Japan, we used a dense seismic linear array to measure fine-scale variations of seismic velocities and converted tel...

    Authors: Aitaro Kato, Atsushi Saiga, Tetsuya Takeda, Takaya Iwasaki and Toru Matsuzawa

    Citation: Earth, Planets and Space 2014 66:86

    Content type: Letter

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  16. High-resolution structure analyses using electron beam techniques have been performed for the investigation of subgrain boundaries (SGBs) in deformed orthopyroxene (Opx) in mylonite from Hidaka Metamorphic Bel...

    Authors: Toshihiro Kogure, Hugues Raimbourg, Akihito Kumamoto, Eiko Fujii and Yuichi Ikuhara

    Citation: Earth, Planets and Space 2014 66:84

    Content type: Full paper

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  17. A recent microphysical model for the steady-state frictional behaviour of wet illite/quartz gouges in subduction megathrust settings predicts that velocity-weakening in the seismogenic zone results from a comp...

    Authors: Sabine AM den Hartog, Demian M Saffer and Christopher J Spiers

    Citation: Earth, Planets and Space 2014 66:78

    Content type: Frontier letter

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  18. We conducted triaxial friction experiments on the shallow Nankai Trough accretionary sediments at confining pressures, pore water pressures, temperatures close to their in situ conditions, and axial displacement ...

    Authors: Miki Takahashi, Shuhei Azuma, Hidenori Ito, Kyuichi Kanagawa and Atsuyuki Inoue

    Citation: Earth, Planets and Space 2014 66:75

    Content type: Full paper

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  19. We examined the frictional properties of sediments on the Cocos plate offshore the Osa Peninsula, Costa Rica, and explored variations in the intrinsic frictional properties of the sediment inputs to the Costa ...

    Authors: Yuka Namiki, Akito Tsutsumi, Kohtaro Ujiie and Jun Kameda

    Citation: Earth, Planets and Space 2014 66:72

    Content type: Frontier letter

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  20. The 2011 Tohoku earthquake (Mw 9.0) produced a very large slip on the shallow part of a megathrust fault that resulted in destructive tsunamis. Although multiple causes of such large slip at shallow depths are...

    Authors: Michiyo Sawai, Takehiro Hirose and Jun Kameda

    Citation: Earth, Planets and Space 2014 66:65

    Content type: Letter

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  21. To understand the effect of plate coupling on very low-frequency event (VLFE) activity resulting from megathrust earthquakes, we performed long-term multiscale earthquake cycle simulations (including a megathr...

    Authors: Keisuke Ariyoshi, Toru Matsuzawa, Ryota Hino, Akira Hasegawa, Takane Hori, Ryoko Nakata and Yoshiyuki Kaneda

    Citation: Earth, Planets and Space 2014 66:55

    Content type: Full paper

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  22. The Lindås Nappe, Bergen Arc, is located in western Norway and displays two high-grade metamorphic structures. A Precambrian granulite facies foliation is transected by Caledonian fluid-induced eclogite-facies...

    Authors: Sejin Jung, Haemyeong Jung and Håkon Austrheim

    Citation: Earth, Planets and Space 2014 66:46

    Content type: Full paper

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  23. We describe an iterative method to combine seismicity forecasts. With this method, we produce the next generation of a starting forecast by incorporating predictive skill from one or more input forecasts. For ...

    Authors: Peter N Shebalin, Clément Narteau, Jeremy Douglas Zechar and Matthias Holschneider

    Citation: Earth, Planets and Space 2014 66:37

    Content type: Full paper

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  24. We carried out geochemical and mineralogical analyses on fault-zone rocks from the Anko section of the Median Tectonic Line in Nagano Prefecture, Japan, to investigate coseismic physicochemical processes in th...

    Authors: Tsuyoshi Ishikawa, Tetsuro Hirono, Noriko Matsuta, Kazuro Kawamoto, Koichiro Fujimoto, Jun Kameda, Yoshiro Nishio, Yuka Maekawa and Go Honda

    Citation: Earth, Planets and Space 2014 66:36

    Content type: Full paper

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  25. To estimate the slip parameters and understand the fault lubrication mechanism during the 1999 Taiwan Chi-Chi earthquake, we applied vitrinite reflectance geothermometry to samples retrieved from the Chelungpu...

    Authors: Yuka Maekawa, Tetsuro Hirono, Hikaru Yabuta, Hideki Mukoyoshi, Manami Kitamura, Minoru Ikehara, Wataru Tanikawa and Tsuyoshi Ishikawa

    Citation: Earth, Planets and Space 2014 66:28

    Content type: Letter

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  26. Three large bathymetric highs (from north to south: the Amami Plateau, the Daito Ridge, and the Oki-Daito Ridge) originating from paleo-island arcs characterize the northwestern end of the Philippine Sea plate...

    Authors: Azusa Nishizawa, Kentaro Kaneda, Yasutaka Katagiri and Mitsuhiro Oikawa

    Citation: Earth, Planets and Space 2014 66:25

    Content type: Full paper

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  27. We present a quantitative examination of the liberation and subsequent deposition of silica at the subduction zone plate interface in the Mugi mélange, an exhumed accretionary complex in the Shimanto Belt of s...

    Authors: Jun Kameda, Kuniyo Kawabata, Yohei Hamada, Asuka Yamaguchi and Gaku Kimura

    Citation: Earth, Planets and Space 2014 66:13

    Content type: Full paper

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  28. A number of tectonic models have been proposed for the Tibetan Plateau, which origin, however, remains poorly understood. In this study, investigations of the shear wave velocity (Vs) and density (ρ) structures o...

    Authors: Yangfan Deng, Giuliano F Panza, Zhongjie Zhang, Fabio Romanelli, Ting Ma, Carlo Doglioni, Peng Wang, Xuemei Zhang and Jiwen Teng

    Citation: Earth, Planets and Space 2014 66:10

    Content type: Full paper

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