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Totschunda Fault

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Journal Article
Published: 01 December 2004
Bulletin of the Seismological Society of America (2004) 94 (6B): S132–S144.
... the Denali fault system. Rupture began along the Susitna Glacier thrust fault, continued east with strike-slip motion along the Denali fault, and then stepped right to the Totschunda fault. Surface rupture was not observed during the precursory Nenana Mountain earthquake of 23 October 2002; however, In sar...
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Journal Article
Journal: Geosphere
Published: 21 November 2019
Geosphere (2020) 16 (1): 82–110.
... geochronologic data from a dike injected into the Totschunda fault zone, which provides constraints on the timing of intra–suture zone basinal deformation. The Beaver Lake formation is an important sedimentary succession in the northwestern Cordillera because it provides an exceptionally rare stratigraphic...
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Journal Article
Published: 05 November 2013
Bulletin of the Seismological Society of America (2013) 103 (6): 3094–3103.
..., Jalisco 48280, México. 24 January 2013 The oblique motion of the North American and Pacific plates and the inland interaction with Yakutat microplate cause strike‐slip motion along the Denali and Totschunda faults. The 2002 Denali earthquake sequence represents the largest and most...
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Journal Article
Published: 01 December 2004
Bulletin of the Seismological Society of America (2004) 94 (6B): S202–S213.
...Harsha S. Bhat; Renata Dmowska; James R. Rice; Nobuki Kame Abstract We analyze the observed dynamic slip transfer from the Denali to Totschunda faults during the M w 7.9 3 November 2002 Denali fault earthquake, Alaska. This study adopts the theory and methodology of Poliakov et al. (2002) and Kame...
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Journal Article
Published: 01 December 2004
Bulletin of the Seismological Society of America (2004) 94 (6B): S23–S52.
... rupture on the Susitna Glacier, Denali, and Totschunda faults. The rupture proceeded from west to east and began with a 48-km-long break on the previously unknown Susitna Glacier thrust fault. Slip on this thrust averaged about 4 m (Crone et al. , 2004) . Next came the principal surface break, along 226...
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Journal Article
Journal: GSA Bulletin
Published: 01 June 1971
GSA Bulletin (1971) 82 (6): 1529–1540.
...D.H RICHTER; N. A MATSON, JR Abstract Quaternary faulting is well displayed along the Denali fault system and the recently recognized and related Totschunda fault system in the eastern Alaska Range. The principal movement on both fault systems is right-lateral strike-slip. Offset glacial features...
Journal Article
Published: 01 December 2004
Bulletin of the Seismological Society of America (2004) 94 (6B): S145–S155.
...Charles G. Bufe Abstract Stress transfer from the great 1964 Prince William Sound earthquake is modeled on the Denali fault, including the Denali–Totschunda fault segments that ruptured in 2002, and on other regional fault systems where M 7.5 and larger earthquakes have occurred since 1900...
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Journal Article
Published: 01 December 2004
Bulletin of the Seismological Society of America (2004) 94 (6B): S214–S233.
... on the Susitna Glacier thrust fault, and after a pause, propagated onto the strike-slip Denali fault. Approximately 216 km to the east, the rupture abandoned the Denali fault in favor of the more southwesterly directed Totschunda fault. Three-dimensional dynamic models of this event indicate that the abandonment...
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Image
Map of the simplified <b>fault</b> geometry of the <b>Totschunda</b> <b>fault</b>–Denali <b>fault</b> s...
Published: 01 June 2015
Figure 6. Map of the simplified fault geometry of the Totschunda fault–Denali fault system intersection. The solid black lines illustrate the straight section approximations for the central Denali fault (CDF), eastern Denali fault (EDF), and the Totschunda fault (TF) used in the relative velocity
Image
Rupture characteristics and segmentation of the Denali‐<b>Totschunda</b> <b>fault</b> sys...
Published: 24 July 2018
Figure 6. Rupture characteristics and segmentation of the Denali‐Totschunda fault system. (a) Intersection elements that are interpreted to control the propagation of the 2002 fault rupture from the central Denali to the Totschunda fault. These include: (1) direct connectivity of the two faults
Image
Snapshots of shear and yield stress near the Denali&#x2F;<b>Totschunda</b> <b>fault</b> juncti...
Published: 01 December 2004
Figure 17. Snapshots of shear and yield stress near the Denali/Totschunda fault junction (216 km along strike) along the dashed line in Figure 12 . Dashed lines correspond to the original ( t = 0) stress distribution. At t = 50.6 sec, there is a large stress buildup ahead of the crack tip
Image
Shear and yield stress at the Denali&#x2F;<b>Totschunda</b> <b>fault</b> intersection at the t...
Published: 01 December 2004
Figure 18. Shear and yield stress at the Denali/Totschunda fault intersection at the time of rupture nucleation on the Totschunda fault. Note that, although the shear stress has increased on the Totschunda fault, the yield stress has decreased by an equivalent amount because of a decrease
Image
Photographs of features of the Denali and <b>Totschunda</b> <b>fault</b> rupture, where “...
Published: 01 December 2004
Figure 3. Photographs of features of the Denali and Totschunda fault rupture, where “on land” (i.e., not on glaciers). (A) View of the Denali fault rupture at the pass west of the Delta River (km 89). Steep walls at the bottom of the fissure are permafrost. These walls had degraded significantly
Image
Photographs of features of the Denali and <b>Totschunda</b> <b>fault</b> rupture, where “...
Published: 01 December 2004
Figure 3. Photographs of features of the Denali and Totschunda fault rupture, where “on land” (i.e., not on glaciers). (A) View of the Denali fault rupture at the pass west of the Delta River (km 89). Steep walls at the bottom of the fissure are permafrost. These walls had degraded significantly
Image
Photographs of features along the Denali and <b>Totschunda</b> <b>fault</b> rupture, wher...
Published: 01 December 2004
Figure 4. Photographs of features along the Denali and Totschunda fault rupture, where “on glaciers” (i.e., propagated through glacier ice). (A) Aerial view westward of the Denali fault trace along the northern margin of the Canwell Glacier, at about km 100, 3 November 2002. (B) Aerial view
Image
Photographs of features along the Denali and <b>Totschunda</b> <b>fault</b> rupture, wher...
Published: 01 December 2004
Figure 4. Photographs of features along the Denali and Totschunda fault rupture, where “on glaciers” (i.e., propagated through glacier ice). (A) Aerial view westward of the Denali fault trace along the northern margin of the Canwell Glacier, at about km 100, 3 November 2002. (B) Aerial view
Image
Plot of slip velocity along the Denali and <b>Totschunda</b> <b>fault</b> segments for Ψ ...
Published: 01 December 2004
Figure 7. Plot of slip velocity along the Denali and Totschunda fault segments for Ψ = 70°; ν r = 0.6 c s . Slip velocity variation along the Totschunda fault is projected onto the Denali fault. The Totschunda fault begins at 5 X/R 0 = 58. ν r , c s , R 0 , μ , ν , , and c p
Image
Plot of slip velocity along the Denali and <b>Totschunda</b> <b>fault</b> segments for Ψ ...
Published: 01 December 2004
Figure 7. Plot of slip velocity along the Denali and Totschunda fault segments for Ψ = 70°; ν r = 0.6 c s . Slip velocity variation along the Totschunda fault is projected onto the Denali fault. The Totschunda fault begins at 5 X/R 0 = 58. ν r , c s , R 0 , μ , ν , , and c p
Image
Slip velocity along the Denali and <b>Totschunda</b> <b>fault</b> segments for Ψ = 70°;  ...
Published: 01 December 2004
Figure 8. Slip velocity along the Denali and Totschunda fault segments for Ψ = 70°; ν r = 0.8 c s . Slip-velocity variation along the Totschunda fault is projected on the Denali fault. Totschunda fault begins at 5 X/R 0 = 108.
Image
Slip velocity along the Denali and <b>Totschunda</b> <b>fault</b> segments for Ψ = 70°;  ...
Published: 01 December 2004
Figure 9. Slip velocity along the Denali and Totschunda fault segments for Ψ = 70°; ν r = 0.9 c s . Slip-velocity variation along the Totschunda fault is projected onto the Denali fault. The Totschunda fault begins at 10 X/R 0 = 380.