Article (Scientific journals)
A 3400 year lacustrine paleoseismic record from the North Anatolian Fault, Turkey: Implications for bimodal recurrence behavior
Avsar, Ulas; Hubert, Aurelia; De Batist, Marc et al.
2014In Geophysical Research Letters, 41 (2), p. 377-384
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Abstract :
[en] High-resolution physical, geochemical, and geochronological analyses on the sedimentary sequence of Yeniçağa Lake, located in a fault-bounded basin along the North Anatolian Fault, reveal fingerprints of paleoearthquakes. A robust sediment chronology, spanning the last 3400 years, is constructed by radiocarbon dating and time-stratigraphical correlation with the precisely dated Sofular Cave speleothem record. Yeniçağa sedimentary sequence contains 11 seismically induced event deposits characterized by siliciclastic-enriched intervals. Some of the event deposits are also associated with implications of sudden lake deepening, which may be related to coseismic subsidence. The paleoearthquake series having an average recurrence interval of ca. 260 years are interrupted by two possible seismic gaps of ca. 420 and 540 years.
Disciplines :
Earth sciences & physical geography
Author, co-author :
Avsar, Ulas
Hubert, Aurelia  ;  Université de Liège - ULiège > Département de géographie > Géomorphologie
De Batist, Marc
Fagel, Nathalie  ;  Université de Liège - ULiège > Département de géologie > Argiles, géochimie et environnements sédimentaires
Language :
English
Title :
A 3400 year lacustrine paleoseismic record from the North Anatolian Fault, Turkey: Implications for bimodal recurrence behavior
Publication date :
January 2014
Journal title :
Geophysical Research Letters
ISSN :
0094-8276
eISSN :
1944-8007
Publisher :
American Geophysical Union, Washington, United States - District of Columbia
Volume :
41
Issue :
2
Pages :
377-384
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
Seismic Cycle
Funders :
EU - European Commission
Available on ORBi :
since 26 February 2014

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