Global patterns of tectonic stress

Zoback, Mary Lou; Zoback, Mark D.; Adams, John; Assumpção, Marcelo; Bell, Sebastian; Bergman, Eric; Blümling, P.; Brereton, N. R.; Denham, David B.; Ding, Jian; Fuchs, Karl; Gregersen, Søren; Gupta, Harsh K.; Гвишиани, А. Д.; Jacob, Klaus; Klein, Ruediger; Knöll, P.; Magee, Marian; Mercier, J. L.; Müller, Birgit; Paquin, C.; Rajendran, Kusala; Stephansson, Ove; Suárez, Gerardo; Suter, Max; Udías, Agustín; Zhao, Xu; Zhizhin, Mikhail

doi:10.1038/341291a0

Cited by 578 publications

(287 citation statements)

References 65 publications

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“…Within structural domains, stress orientations are generally homogenous at large-scale and reflect regional boundary conditions, i.e., plate movement (e.g., Angelier, 1979;Mercier et al, 1979;Bergerat, 1987;Le Pichon et al, 1988;Zoback et al, 1989). However, local stress deflections exist.…”

Section: Stress Deflections Indicate Crustal Heterogeneitiesmentioning

confidence: 99%

Structural inheritance and cenozoic stress fields in the Jura fold-and-thrust belt (France)

et al. 2002

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Based on an analysis of 8000 minor fault-slip data in the Jura Mountains (France), we discuss the influence of pre-existing discontinuities on the development of fold-and-thrust belts. We present palinspastic maps showing the stress fields and active faults during the Cenozoic pre-orogenic events in the Jura belt prior to the main Late Miocene fold-and-thrust tectonics. During the Eocene, a N -S strike-slip regime produced a few NNE -SSW sub-vertical strike-slip faults in the central external Jura and a few E -W reverse faults in the eastern Jura near the future frontal thrust. During the Oligocene, an average WNW -ESE extension, with irregular stress trajectories, resulted in normal faulting along N -S to NE -SW trends in the external part of the belt, WNW -ESE trends along the future northern and northeastern frontal thrust, and NW -SE trends in the internal Jura. The Late Miocene tectonics began with a strike-slip regime with a fan-shaped compressional trajectory. It was followed by a stress field with similar stress direction, but local r 2 /r 3 stress permutation resulted in strike-slip regime domains contrasting with reverse regime domains. Stress deflections and permutations occurred near inherited cover and basement discontinuities. Major deformation zones, like the Jura frontal thrust onto the foreland, the thrust of the internal central Jura onto the external Jura, and the narrow deformation bands within the flat-lying plateaus formed close to the inherited faults. The structural style of the Jura belt thus partly mimics the pre-orogenic fault pattern. Stress deflections point to the pre-orogenic faults, express the indentation process of the Jura by its hinterland, and highlight successive slip events along major faults during the fold-and-thrust tectonics. This case study illustrates the relevance of minor fault-slip studies for characterizing both the pre-orogenic tectonics and the kinematics of the deformation. D

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Section: Stress Deflections Indicate Crustal Heterogeneitiesmentioning

confidence: 99%

Structural inheritance and cenozoic stress fields in the Jura fold-and-thrust belt (France)

et al. 2002

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“…This difference may suggest that large coseismic rupture significantly decreased stress in the vicinity of the earthquake rupture zone. For a thrust earthquake, the three principal stresses should be in the sequence σ 1 > σ 2 > σ 3 , where the greatest stress σ 1 and intermediate stress σ 2 plunge horizontally, and the minimum principal stress σ 3 is vertical (Zoback et al, 1989). Although stress inversion from a slip model on one straight fault plane is limited as regional stress cannot be constrained from a single fault (McKenzie, 1969), a qualitative analysis still can offer a chance to explore how coseismic processes affect the variation of the regional stress.…”

Section: Mechanical Implications Of the Slip Modelsmentioning

confidence: 99%

Patterns and mechanisms of coseismic and postseismic slips of the 2011 M W 7.1 Van (Turkey) earthquake revealed by multi-platform synthetic aperture radar interferometry

Feng

Hoey

et al. 2014

Tectonophysics

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In this paper, we present several COSMO-SkyMED (CSK), Envisat ASAR and RADARSAT-2 interferograms spanning different time intervals, showing that significant postseismic signals can be observed in the first three days after the mainshock. Using observations that combine coseismic and postseismic signals is shown to significantly underestimate coseismic slip. We hence employed the CSK pair with the minimum postseismic signals to generate one conventional interferogram and one along-track interferogram for further coseismic modelling. Our best-fit coseismic slip model suggests that: (1) this event is associated with a buried NNW dipping fault with a preferable dip angle of 49º and a maximum slip of 6.5 m at a depth of 12 km; and (2) two unequal asperities can be observed, consistent with previous seismic solutions. Significant oblique aseismic slip with predominant left-lateral slip components above the coseismic rupture zone within the first 3 days after the mainshock is also revealed by a postseismic CSK interferogram, indicating that the greatest principal stress axis might have rotated due to a significant stress 1 drop during the coseismic rupture.

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“…There is a clear positive correlation between the direction of the greatest principal stress (cry) and the absolute plate velocity, implying that the plate-boundary forces control the stress distribution within the plate [Zoback et al, 1989 …”

Section: Introductionmentioning

confidence: 99%

Supracrustal intraplate thickening of Variscan basement due to Alpine foreland compression: Results from the superdeep well KTB (Bohemian Massif, Germany)

Zulauf¹,

Duyster²

1997

Tectonics

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Global patterns of tectonic stress

Cited by 578 publications

References 65 publications

Structural inheritance and cenozoic stress fields in the Jura fold-and-thrust belt (France)

Structural inheritance and cenozoic stress fields in the Jura fold-and-thrust belt (France)

Patterns and mechanisms of coseismic and postseismic slips of the 2011 M W 7.1 Van (Turkey) earthquake revealed by multi-platform synthetic aperture radar interferometry

Supracrustal intraplate thickening of Variscan basement due to Alpine foreland compression: Results from the superdeep well KTB (Bohemian Massif, Germany)

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