Hinkley Point Fault

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Journal Article
Published: 01 November 1991
Quarterly Journal of Engineering Geology and Hydrogeology (1991) 24 (4): 363–374.
...J. C. Gutmanis; E. A Hailwood; R. H. Maddock; C. Vita-Finzi Abstract Attempts were made to obtain absolute ages constraining the most recent episode of fault activity in the North Somerset Coastal Fault Belt as part of the seismic hazard assessment for the proposed Hinkley Point ‘C’ power station...
Journal Article
Published: 01 May 1988
Quarterly Journal of Engineering Geology and Hydrogeology (1988) 21 (2): 111.
... geology have had to be studied in detail. The site is located in a complex structural setting at the eastern end of the North Somerset coastal fault belt. Detailed field mapping was carried out on the foreshore from just east of Hinkley Point to just west of Watchet with the purpose of identifying...
Journal Article
Published: 01 August 1990
Quarterly Journal of Engineering Geology and Hydrogeology (1990) 23 (3): 193–208.
... mechanism solutions for these events suggest that ‘mixed mode faulting’ characterizes current tectonic behaviour in both areas. These findings are exemplified by results from the Hinkley Point network. The direct and indirect implications for hazard evaluation procedures are discussed. 11 10 1989 9...
Journal Article
Journal: GSA Bulletin
Published: 01 July 2017
GSA Bulletin (2017) 129 (7-8): 855–868.
... in the Hinkley Hills area is unambiguous or well enough exposed to be used as a piercing point, but a composite of several of these features does create a pattern that can be matched across the Harper Lake fault ( Fig. 4A ). These features include: the intrusive contact of the Miocene Waterman Hills granite...
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Journal Article
Journal: Interpretation
Published: 08 April 2024
Interpretation (2024) 12 (2): T167–T176.
... exhibit a high signal-to-noise ratio (S/N) and contain abundant wavefield information, enabling it to effectively identify small and steeply dipping faults as well as mild amplitude anticline structures with developed fractures. In 2005, BP conducted a wide-azimuth survey in the Gulf of Mexico...
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Journal Article
Published: 01 November 2002
American Mineralogist (2002) 87 (11-12): 1626–1630.
... produced significant changes in its diffraction pattern. However, further dry grinding in a ball mill for 10 min produced material that was almost totally disordered, based on measures such as the Hinkley index. The diffraction patterns of the wet-ground materials showed evidence of increasing disorder...
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Journal Article
Journal: The Leading Edge
Published: 01 July 2009
The Leading Edge (2009) 28 (7): 772–781.
... the difference in intermediate products at each stage in the workflow. Specifically, differences will be measured at four points: (1) the gathers input into the inversion, (2) wavelets extracted from the gathers, (3) inversion residuals, and (4) pay delineation. SNR enhancement . As pointed out...
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Journal Article
Published: 01 October 1997
Bulletin of the Seismological Society of America (1997) 87 (5): 1220–1229.
..., and, very importantly, the events are related to a whole fault rather than to a point, as it is usually assumed in application of (1). The question of what model is preferable has been the subject of lively debate; for example, see the discussion in Wesnousky (1994, 1996) and Kagan (1994, 1996). The debate...
Series: Guidebook
Published: 01 January 1996
DOI: 10.32375/1996-GB73.12
EISBN: 9781732014848
... The Waterman Hills detachment fault (WHDF), which has been recognized in the Waterman Hills, Mitchel Range, and Hinkley Hills area ( Fig. 2 ), separates a mylonitized footwall complex of igneous and metamorphic rocks from steeply dipping to overturned, volcanic and sedimentary rocks of the Pickhandle Formation...
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Journal Article
Published: 01 November 2023
Earthquake Spectra (2023) 39 (4): 1992–2018.
... applied to the MLA during the experimental campaign of the 50% cracked array build configuration. The site-specific earthquake motions primarily considered in the computation of input motions have a 10 –4 probability of occurrence per annum. They are referred to as Hinkley Point B (HPB), Heysham 2...
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Journal Article
Published: 01 December 2000
Bulletin of the Seismological Society of America (2000) 90 (6): 1521–1527.
... the evaluation of the seismic moment tensor components ( Jost and Herrmann, 1989 ). Based on the formalism proposed by Strelitz ( 1978 ), the far field recorded spectral displacement field ( u ) can be written, for a point source, using the first derivative of the Green's function ( G ′) and the second order...
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Journal Article
Journal: Geophysics
Published: 22 May 2014
Geophysics (2014) 79 (3): WA69–WA77.
... r , t ) | c [ m ] ( x s , x r , t ) − d ( x s , x r , t ) | 2 , (1) with m is the earth model parameter vector, x s and x r are the source and receiver points, and W is some data weights...
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Journal Article
Published: 01 January 2012
Seismological Research Letters (2012) 83 (1): 130–134.
... tactic in anti-PSHA literature to pick on some particular study, criticize results that depend on the model, and imply that the method is at fault. Castaños and Lomnitz ( 2010 ) is a recent example, the point of criticism being the very high accelerations at 10 -8 annual probability calculated...
Journal Article
Published: 08 October 2020
Journal of the Geological Society (2021) 178 (1): jgs2020-026.
... types of Earth and planetary processes, including cosmic spherules ( Taylor and Brownlee 1991 ; Genge et al. 2017 ), volcanic eruptions ( Macdonald et al. 1993 ; Meeker and Hinkley 1993 ; Obenholzner et al. 2003 ) and both volcanic and cloud-to-ground lightning strikes ( Pasek et al. 2012...
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Journal Article
Published: 01 August 1981
Bulletin of the Seismological Society of America (1981) 71 (4): 1105–1130.
... the homogeneous station method , Nature 253 , 518 - 520 . Billington S. Isacks B. (1975) . Identification of fault planes associated with deep earthquakes , Geophys. Res. Letters 2...
Journal Article
Journal: Geophysics
Published: 03 June 2013
Geophysics (2013) 78 (4): S165–S177.
... . The low-wavenumber artifacts are mostly removed in the CIGs from the LSRTM image. However, in the complex region of the model (faults), some steeply dipping coherent noise is preserved during the iterations of LSM. Figure 7. The CIGs extracted from the plane-wave RTM image. The image points...
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Journal Article
Journal: Geophysics
Published: 01 January 2001
Geophysics (2001) 66 (5): 1497–1503.
...; the optimal compromise is implemented by the choice of migration parameters. F IG . 2. Implementation of 2-D poststack migration. An amplitude at two-way time t will be imaged along a ray path, starting with angle θ from the receiver point, traced down into the migration velocity distribution...
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Journal Article
Published: 04 December 2023
Geological Magazine (2023) 160 (9): 1817–1831.
... of the development of the structures. Also note that the use of ‘younging tables’ to record relative ages of structures has been suggested (e.g., Potts & Reddy, 1999 , 2000 ), but we do not use that approach in this paper. The study location is on the coast between Lilstock and Hinkley Point, Somerset...
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Journal Article
Published: 14 December 2023
Journal of Environmental and Engineering Geophysics (2023) 28 (1): 1–11.
... ., 1995 ). Both target and initial models are sampled at 50 cm, which provides about 10 grid points per minimal wavelength and assures accurate modeling, without aliasing of body and surface waves for the considered frequencies. We first compare the Vs model updates, i.e ., the model difference...
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Journal Article
Journal: Geophysics
Published: 27 January 2022
Geophysics (2022) 87 (2): S45–S52.
...  1 . Figure 1. Crosstalk and phase-encoding parameters. The imaging points are located at x1, x2, and x3. At points v1 and v3, crosstalk artifacts are observed due to the unrelated-order surface-related multiples; the crosstalk artifacts at v2, v4, and v5 are created by internal multiples...
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