Shibutani, Susumu; Lin, Weiren (2021): Downdip azimuth and dip angle of fractures measured from borehole televiewer images in Hole FDB-1 penetrated through the Futagawa fault, SW Japan [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.933471, In: Shibutani, S; Lin, W (2021): Physical property distribution and fracture density of a ~700 m-deep borehole penetrated through the Futagawa fault ruptured during the 2016 Kumamoto earthquake mainshock [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.933472
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Keyword(s):
Related to:
Shibutani, Susumu; Lin, Weiren; Sado, Koichiro; Aizawa, Akihiro; Koike, Katsuaki (2022): An ancient >200 m cumulative normal faulting displacement along the Futagawa fault dextrally ruptured during the 2016 Kumamoto, Japan, earthquake identified by a multiborehole drilling program. Geochemistry, Geophysics, Geosystems, https://doi.org/10.1029/2021GC009966
Further details:
Read Me - Physical property distribution and fracture density of a ~700 m-deep borehole penetrated through the Futagawa fault ruptured during the 2016 Kumamoto earthquake mainshock
Kyoto University (2018): FY29 Commissioned for the disaster prevention on nuclear facilities (Boring core and Stress measurement using borehole: No.2 Futagawa fault) (in Japanese). Nuclear Regulation Authority, Japan, Technical Report (3/3), https://www.nra.go.jp/data/000256426.pdf
Coverage:
Latitude: 32.806200 * Longitude: 130.860100
Minimum DEPTH, sediment/rock: 330.97 m * Maximum DEPTH, sediment/rock: 640.22 m
Event(s):
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Hole | H | Shibutani, Susumu | |||
| 2 | Number | No | Shibutani, Susumu | Fracture number | ||
| 3 | DEPTH, sediment/rock | Depth sed | m | Shibutani, Susumu | Geocode | |
| 4 | Azimuth | Azim | deg | Shibutani, Susumu | Downdip azimuth by borehole televiewer images | |
| 5 | Angle | Angle | deg | Shibutani, Susumu | Dip angle by borehole televiewer images | |
| 6 | Category | Cat | Shibutani, Susumu | Categories of fracture dip angles: L = <30° from the horizontal plane; M = ≥30° and <60°; H = ≥60° | ||
| 7 | Comment | Comment | Shibutani, Susumu |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
1728 data points