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Journal Article
Published: 19 August 2022
Bulletin of the Seismological Society of America (2022) 112 (6): 2795–2811.
..., there are three stability regimes in the system: harmonic oscillations, exponential growth, and cubic growth. By combining the different solution regimes within one earthquake cycle, we observe a wide range of behaviors of this simple system: interseismic oscillatory creep, precursory signals before the main...
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Journal Article
Journal: Interpretation
Published: 05 August 2022
Interpretation (2022) 10 (4): C29–C41.
...Jacob N. Fillingham; Derek E. Sawyer; Anne Bécel Abstract We interpret a region of undulatory sediments adjacent to a major headwall of the Cape Fear submarine landslide system offshore of North Carolina, USA, as sediment waves rather than creep or fault-related deformation. The wave package...
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Journal Article
Journal: Interpretation
Published: 02 June 2022
Interpretation (2022) 10 (3): SJ29–SJ41.
...Jianfeng Wang; Chao Yang; Yuke Liu; Yongqiang Xiong Abstract The mechanical and creep properties of shale have a great impact on wellbore stability and artificial fracturing performance during shale gas exploration. We have applied nanoindentation to study the preceding two aspects...
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Journal Article
Published: 05 May 2022
Petroleum Geoscience (2022) 28 (3): petgeo2021-064.
...Kehua You; Peter Flemings; Athma R. Bhandari; Mahdi Heidari; John Germaine Abstract This study developed a one-dimensional numerical model of sedimentation and compaction based on the equivalent isochrone framework to investigate the impact of creep on geopressure during burial. In this framework...
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Journal Article
Journal: Geology
Published: 24 March 2022
Geology (2022) 50 (6): 686–690.
.... The inferred erosion mechanisms entail (1) widening of joints and fractures by fluid pressure and dissolution and (2) creeping of an underlying clay layer, which lead to slope failure at the valley head and its upslope retreat. The latter is slower than the removal of the talus by creep and sliding...
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Journal Article
Published: 02 March 2022
Seismological Research Letters (2022) 93 (3): 1960–1965.
... in a few long‐term (several years) creep tests in granite and gabbro bars ( Kumagai and Itô, 1968 ; Itô, 1979 ). In other words, the same rock may exhibit elasticity at high stresses (and then short‐time scales) but also exhibit yield strength (solid‐like behavior), for which value decreases...
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Journal Article
Published: 02 March 2022
Seismological Research Letters (2022) 93 (3): 1966–1967.
...Kelin Wang Abstract Different research communities prefer using different systems of terminology to describe brittle and ductile deformation of rocks. None of them is a misnomer. The use of the term viscous to describe thermally activated creep is fully compatible with viscoplastic and viscoelastic...
Journal Article
Journal: Geology
Published: 25 February 2022
Geology (2022) 50 (4): 516–521.
...Genevieve L. Coffey; Heather M. Savage; Pratigya J. Polissar; Stephen E. Cox; Sidney R. Hemming; Gisela Winckler; Kelly K. Bradbury Abstract Creeping faults are difficult to assess for seismic hazard because they may participate in rupture even though they likely cannot nucleate large earthquakes...
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Journal Article
Journal: Geology
Published: 02 November 2021
Geology (2022) 50 (2): 199–204.
... that an abundance of creeping segments is responsible for most of the observed deficiency of earthquakes on those faults. We test this hypothesis on a global scale. We relocate M w ≥5 earthquakes on 138 oceanic transform faults around the world and identify creeping segments on these faults. We demonstrate...
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Journal Article
Journal: The Leading Edge
Published: 01 November 2021
The Leading Edge (2021) 40 (11): 815–822.
...Partha Pratim Mandal; Joel Sarout; Reza Rezaee Abstract In recent years, short-term creep parameters determined in the laboratory from cylindrical gas shale samples subjected to triaxial (in-situ) stress conditions have been used successfully to infer long-term deformation and stress relaxation...
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Journal Article
Published: 20 July 2021
The Seismic Record (2021) 1 (2): 85–95.
... the geometry and kinematics of the structures that hosted the major events. We discuss possible triggering mechanisms of the second and third stages of the sequence, including fluids migration and aseismic creep, and propose potential implications of the M w 5.3 mainshock for the seismic hazard of the region...
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Journal Article
Journal: Geology
Published: 12 July 2021
Geology (2021) 49 (10): 1255–1259.
... thermometry indicates that both veining and mylonitization occurred at ∼315–400 °C. The vein-filled fractures are interpreted as episodically triggered by viscous creep in the mylonite, where quartz piezometry and brittle failure modes are consistent with low (18–44 MPa) differential stress. The Sagelvvatn...
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Journal Article
Journal: Geology
Published: 01 June 2020
Geology (2020) 48 (9): 924–928.
... and fluid circulation ( Stanchits et al., 2003 ; Goodfellow et al., 2015 ). Laboratory experiments reveal that during the preparatory phase of an earthquake, creep accelerates with precursory changes in elastic wave velocity ( Kaproth and Marone, 2013 ; Latour et al., 2013 ; Passélegue et al., 2016...
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Journal Article
Journal: Geophysics
Published: 03 April 2020
Geophysics (2020) 85 (3): MR155–MR166.
...Ehsan Haghighat; Fatemeh S. Rassouli; Mark D. Zoback; Ruben Juanes ABSTRACT We have developed a viscoplastic model that reproduces creep behavior and inelastic deformation of rock during loading-unloading cycles. We use a Perzyna-type description of viscous deformation that derives from...
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Journal Article
Published: 01 March 2020
American Mineralogist (2020) 105 (3): 319–324.
... of Si under conditions in planetary and satellite cores is less than ∼1.2 km. Additionally, the estimated strain of plastic deformation in the Earth's inner core, caused by the Harper–Dorn creep, reaches more than 10 3 at a stress level of 10 3 –10 4 Pa, although the inner core might be slightly...
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Journal Article
Published: 27 February 2020
Quarterly Journal of Engineering Geology and Hydrogeology (2020) 53 (4): 475–522.
... these complex deposits and what are the best techniques for examining important detailed aspects of 1D consolidation behaviour such as the identification of the apparent preconsolidation stress, the sometimes rapid rate of consolidation and creep, and also how to characterize the undrained shear strength...
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