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Verfasst von:Lu, Yin [VerfasserIn]   i
 Waldmann, Nicolas [VerfasserIn]   i
 Alsop, G. I. [VerfasserIn]   i
Titel:Interpreting soft sediment deformation and mass transport deposits as seismites in the Dead Sea depocenter
Verf.angabe:Yin Lu, Nicolas Waldmann, G. Ian Alsop, Shmuel Marco
E-Jahr:2017
Jahr:13 October 2017
Umfang:21 S.
Fussnoten:Gesehen am 16.10.2018
Titel Quelle:Enthalten in: Journal of geophysical research. Solid earth
Ort Quelle:Hoboken, NJ : Wiley, 2013
Jahr Quelle:2017
Band/Heft Quelle:122(2017), 10, Seite 8305-8325
ISSN Quelle:2169-9356
Abstract:We have studied the history of earthquakes over the past 70 kyr by analyzing disturbed sedimentary layers around the margins of the Dead Sea. However, we know little about disturbances in the basin depocenter, where water depth is 300 m, and accessible only by drilling. In this study, we compare disturbances from the Dead Sea depocenter, with the contemporaneous earthquake record ( 56-30 ka) that was recovered on the western margin of the lake. This comparison allows us to discern the characteristics of disturbance in the different subaqueous environments and identify the source and sedimentary process of mass transport deposits. Our observations indicate that (i) the long disturbance sequences in the Dead Sea depocenter are composed of in situ deformation, slump, and chaotic deposits; (ii) earthquake-triggered Kelvin-Helmholtz Instability is a plausible mechanism for the in situ deformation in the lake center; (iii) the slump is slope area sourced; (iv) the unit of chaotic deposits is lakeshore sourced; and (v) earthquake-triggered slope instability is a viable mechanism for the slump and chaotic deposits. We further suggest that long sequences of disturbance in seismically active lake depocenters can be used to infer earthquake clusters.
DOI:doi:10.1002/2017JB014342
URL:Bitte beachten Sie: Dies ist ein Bibliographieeintrag. Ein Volltextzugriff für Mitglieder der Universität besteht hier nur, falls für die entsprechende Zeitschrift/den entsprechenden Sammelband ein Abonnement besteht oder es sich um einen OpenAccess-Titel handelt.

Volltext: http://dx.doi.org/10.1002/2017JB014342
 Volltext: https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1002/2017JB014342
 DOI: https://doi.org/10.1002/2017JB014342
Datenträger:Online-Ressource
Sprache:eng
Sach-SW:chaotic deposits
 Dead Sea
 earthquakes
 in situ deformation
 large-scale disturbance
 slump
K10plus-PPN:1581945310
Verknüpfungen:→ Zeitschrift

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