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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.
... (1988) . BGF, Broxson Gulch fault; CCF, Cross Creek fault; PCF, Pass Creek fault; TF, Totschunda fault; MMK, Mt. McKinley. Length of 2002 surface rupture on Denali fault is indicated by arrows. Boxes denote regions of the fault depicted in Figures 2 , 4 , 6 , and 7 . Open triangles are mountains...
FIGURES | View All (8)
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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Image
Map of the simplified <span class="search-highlight">fault</span> geometry of the <span class="search-highlight">Totschunda</span> <span class="search-highlight">fault</span>–Denali <span class="search-highlight">fault</span> 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
Slip velocity along the Denali and <span class="search-highlight">Totschunda</span> <span class="search-highlight">fault</span> 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 <span class="search-highlight">Totschunda</span> <span class="search-highlight">fault</span> segments for Ψ = 70°;  ...
Published: 01 December 2004
Figure 11. Slip velocity along the Denali and Totschunda fault segments for Ψ = 70°; ν r = 1.4 c s . Slip-velocity variation along the Totschunda fault is projected onto the Denali fault. The Totschunda fault begins at 10 X / R 0 = 104.
Image
Slip velocity along the Denali and <span class="search-highlight">Totschunda</span> <span class="search-highlight">fault</span> 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.
Image
Slip velocity along the Denali and <span class="search-highlight">Totschunda</span> <span class="search-highlight">fault</span> segments for Ψ = 80°;  ...
Published: 01 December 2004
Figure 10. Slip velocity along the Denali and Totschunda fault segments for Ψ = 80°; ν r = 0.87 c s case. Slip velocity variation along the Totschunda fault is projected onto the Denali fault. The Totschunda fault begins at 10 X / R 0 = 414.
Image
Shear and yield stress at the Denali&#x2F;<span class="search-highlight">Totschunda</span> <span class="search-highlight">fault</span> 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
Snapshots of shear and yield stress near the Denali&#x2F;<span class="search-highlight">Totschunda</span> <span class="search-highlight">fault</span> 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
Plot of slip velocity along the Denali and <span class="search-highlight">Totschunda</span> <span class="search-highlight">fault</span> 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 <span class="search-highlight">Totschunda</span> <span class="search-highlight">fault</span> 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
Rupture characteristics and segmentation of the Denali‐<span class="search-highlight">Totschunda</span> <span class="search-highlight">fault</span> 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
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Photographs of features along the Denali and <span class="search-highlight">Totschunda</span> <span class="search-highlight">fault</span> 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 of the Denali and <span class="search-highlight">Totschunda</span> <span class="search-highlight">fault</span> 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 <span class="search-highlight">Totschunda</span> <span class="search-highlight">fault</span> 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
Variation of the rupture velocity along the Denali and the <span class="search-highlight">Totschunda</span> <span class="search-highlight">fault</span>...
Published: 01 December 2004
Figure 12. Variation of the rupture velocity along the Denali and the Totschunda fault segments for Ψ = 70°; ν r = 0.6 c s and Ψ = 70°; ν r = 0.9 c s cases. ν r , c s , R 0 , and c p represent the rupture velocity near the branching point, the S -wave speed of the medium
Image
Photographs of features along the Denali and <span class="search-highlight">Totschunda</span> <span class="search-highlight">fault</span> 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