Source process of the 3 November 2002Denali fault earthquake central Alaska

Date

2002-12-06

Author

Özacar, Atilla Arda
Christensen, Douglas

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http://abstractsearch.agu.org/meetings/2002/FM/sections/S/sessions/S72F/abstracts/S72F-1342.html
https://hdl.handle.net/11511/94773

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American Geophysical Union (AGU) 2002 Fall Meeting

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Department of Geological Engineering, Conference / Seminar

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Source process of the 3 November 2002 Denali fault earthquake (central Alaska) from teleseismic observations Özacar, Atilla Arda; Christensen, DH (American Geophysical Union (AGU), 2003-06-25) [1] The November 3, 2002 Denali fault earthquake, which is the largest inland event ever recorded in central Alaska, occurred along an arcuate segment of the right-lateral strike-slip Denali fault. We use first-motion P wave polarities and inversions of teleseismic P waveforms for a fixed focal mechanism to constrain the rupture process. We find clear evidence for a substantial reverse component near the hypocenter at the beginning of the rupture. Twenty-five seconds later, rupture propagated unilaterally t...
Source process of the 2002 Denali fault earthquake compared to other large strike slip events Fromm, Robert; Özacar, Atilla Arda; Beck, Susan L.; Christensen, Douglas (2003-06-22) The November 3, 2002 Denali Fault earthquake which is the largest inland event ever recorded in central Alaska, occurred along an arcuate segment of the right-lateral strike-slip Denali Fault. We use fi rst motion P-wave polarities and the inversion of teleseismic P-waveforms to constrain the focal mechanism and rupture history. We fi nd clear evidence for a substantial reverse component at the beginning of the rupture, which can not be explained with a pure strike-slip mechanism. This initial subevent occu...
Source-pathway-receptor-consequence conceptual model for floodıng and tsunamı at the ayamama rıver and coastal area Çoban, İlker; Özyurt Tarakcıoğlu, Gülizar; Department of Civil Engineering (2021-2-15) There are many sources of flooding of river basins and coastal areas such as precipitation, tsunami, and storm surge. When assessing the risk of these hazards, it is important to understand the source but also to define the flood plain characteristics considering links between elements of flood plain. Although numerical hydraulic models are widely used to evaluate the risk quantitatively, description of the multiple links between exposure and susceptibility of a specific location or po...
Source rock potential and organic facies properties of the oligo-miocene deposits in the Pasinler-Horasan, Tercan-Aşkale Basins (East Anatolia) Tekin, Tansel; Günal Türkmenoğlu, Asuman; Department of Geological Engineering (2002) The study involves the investigations of source rock potential and their organic facies characteristics and the depositional conditions of the Oligo-Miocene deposits in the Tercan-Aşkale and Pasinler-Horasan Basins (Eastern Anatolia). For this purpose, seven stratigraphic sections from each basin are studied. Organic geochemical and organic petrographic (microscopy based organic facies study) analyses are carried out by using a total of 102 surface samples. The studied sections are composed dominantly of cl...
Source rock characterization of the shales and mudstones of the Campanian–Maastrichtian Haymana Formation, Haymana Basin, Central Anatolia, Turkey Yıldırım, Levent Taylan Özgür; Yılmaz, İsmail Ömer; Sınayuç, Çağlar; Department of Geological Engineering (2022-3-03) This study investigates the petroleum potential of the shales and mudstones of the Campanian-Maastrichtian Haymana Formation in the Haymana Basin, Turkey. Lithofacies, pore structure, and source rock characteristics of the shales and mudstones are examined using stratigraphical, sedimentological, petrophysical, and organic geochemical methods along five stratigraphic sections and other sampling sites. The depositional model presents a facies distribution within submarine canyon, inner fan, mid fan, and oute...

Citation Formats

A. A. Özacar and D. Christensen, “Source process of the 3 November 2002Denali fault earthquake central Alaska,” San-Francisco, Kostarika, 2002, vol. 83, Accessed: 00, 2021. [Online]. Available: http://abstractsearch.agu.org/meetings/2002/FM/sections/S/sessions/S72F/abstracts/S72F-1342.html.