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Yokota, Yusuke; Ishikawa, Tadashi; Watanabe, Shun-ichi (2018): Original data of seafloor crustal deformation along the subduction zones around Japanese Islands. PANGAEA, https://doi.org/10.1594/PANGAEA.885139, Supplement to: Yokota, Y et al. (2018): Seafloor crustal deformation data along the subduction zones around Japan obtained by GNSS-A observations. Scientific Data, 5, 180182, https://doi.org/10.1038/sdata.2018.182

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Abstract:
Since the mid-1990s, we (Hydrographic and Oceanographic department, Japan Coast Guard) have been developing the combined Global Navigation Satellite System-Acoustic ranging (GNSS-A) technique for realizing seafloor geodesy. This technique allows us to collect time series of seafloor crustal deformation. In this dataset, we published our original data obtained from 2001 to Aug. 2017. Our data can be used to investigate several seismological phenomena along the subduction zones around Japan, namely the Nankai Trough, Sagami Trough and Japan Trench. These regions are globally important places in geodesy and seismology and are also suitable for comparison with other geophysical datasets.
Related to:
Matsumoto, Yoshihiro; Fujita, Masayuki; Ishikawa, Tadashi; Mochizuki, Masashi; Yabuki, Tetsuichiro; Asada, Akira (2006): Undersea co-seismic crustal movements associated with the 2005 Off Miyagi Prefecture Earthquake detected by GPS/acoustic seafloor geodetic observation. Earth, Planets and Space, 58(12), 1573-1576, https://doi.org/10.1186/BF03352663
Matsumoto, Yoshihiro; Ishikawa, Tadashi; Fujita, Masayuki; Sato, Mariko; Saito, Hiroaki; Mochizuki, Masashi; Yabuki, Tetsuichiro; Asada, Akira (2008): Weak interplate coupling beneath the subduction zone off Fukushima, NE Japan, inferred from GPS/acoustic seafloor geodetic observation. Earth, Planets and Space, 60(6), e9-e12, https://doi.org/10.1186/BF03353114
Sato, Mariko; Fujita, Masayuki; Matsumoto, Yoshihiro; Ishikawa, Tadashi; Saito, Hiroaki; Mochizuki, Masashi; Asada, Akira (2013): Interplate coupling off northeastern Japan before the 2011 Tohoku-oki earthquake, inferred from seafloor geodetic data. Journal of Geophysical Research: Solid Earth, 118(7), 3860-3869, https://doi.org/10.1002/jgrb.50275
Sato, Mariko; Ishikawa, Tadashi; Ujihara, Naoto; Yoshida, Shigeru; Fujita, Masayuki; Mochizuki, Masashi; Asada, Akira (2011): Displacement Above the Hypocenter of the 2011 Tohoku-Oki Earthquake. Science, 332(6036), 1395-1395, https://doi.org/10.1126/science.1207401
Sato, Mariko; Saito, Hiroaki; Ishikawa, Tadashi; Matsumoto, Yoshihiro; Fujita, Masayuki; Mochizuki, Masashi; Asada, Akira (2011): Restoration of interplate locking after the 2005 Off-Miyagi Prefecture earthquake, detected by GPS/acoustic seafloor geodetic observation. Geophysical Research Letters, 38(1), https://doi.org/10.1029/2010GL045689
Watanabe, Shun-ichi; Ishikawa, Tadashi; Yokota, Yusuke (2015): Non-volcanic crustal movements of the northernmost Philippine Sea plate detected by the GPS-acoustic seafloor positioning. Earth, Planets and Space, 67(184), https://doi.org/10.1186/s40623-015-0352-6
Watanabe, Shun-ichi; Sato, Mariko; Fujita, Masayuki; Ishikawa, Tadashi; Yokota, Yusuke; Ujihara, Naoto; Asada, Akira (2014): Evidence of viscoelastic deformation following the 2011 Tohoku-Oki earthquake revealed from seafloor geodetic observation. Geophysical Research Letters, 41(16), 5789-5796, https://doi.org/10.1002/2014GL061134
Yokota, Yusuke; Ishikawa, Tadashi; Sato, Mariko; Watanabe, Shun-ichi; Saito, Hiroaki; Ujihara, Naoto; Matsumoto, Yoshihiro; Toyama, Shin-ichi; Fujita, Masayuki; Yabuki, Tetsuichiro; Mochizuki, Masashi; Asada, Akira (2015): Heterogeneous interplate coupling along the Nankai Trough, Japan, detected by GPS-acoustic seafloor geodetic observation. Progress in Earth and Planetary Science, 2(10), https://doi.org/10.1186/s40645-015-0040-y
Yokota, Yusuke; Ishikawa, Tadashi; Watanabe, Shun-ichi; Tashiro, Toshiharu; Asada, Akira (2016): Seafloor geodetic constraints on interplate coupling of the Nankai Trough megathrust zone. Nature, 534(7607), 374-377, https://doi.org/10.1038/nature17632
Coverage:
Median Latitude: 35.408400 * Median Longitude: 137.392890 * South-bound Latitude: 31.930600 * West-bound Longitude: 132.416900 * North-bound Latitude: 38.886200 * East-bound Longitude: 142.368880
Event(s):
Tohoku-oki * Latitude Start: 38.886200 * Longitude Start: 142.368880 * Latitude End: 31.930600 * Longitude End: 132.416900 * Location: Japan Trench, Sagami Trough and Nankai Trough * Comment: Boundaries of the observation sites.
Comment:
Project:
JHOD seafloor geodetic observation group (JHOD, JCG): http://www1.kaiho.mlit.go.jp/KOHO/chikaku/kaitei/sgs/datalist_e.html
Data groups:
- Before Tohoku = Data at sites along the Japan Trench before the 2011 Tohoku-oki earthquake
- Coseismic Tohoku = Movements in the 2011 Tohoku-oki earthquake at sites along the Japan Trench
- XYZ = XYZ files
- ENU = ENU files
For more details please read the 'readme'.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1File nameFile nameYokota, Yusuke
2CommentCommentYokota, Yusuke
3File formatFile formatYokota, Yusuke
4File sizeFile sizekByteYokota, Yusuke
5Uniform resource locator/link to fileURL fileYokota, Yusuke
Size:
39 data points

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