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A 3400 year lacustrine paleoseismic record from the North Anatolian Fault, Turkey: Implications for bimodal recurrence behavior
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Date
2014-1-28
Author
Avşar, Ulaş
Batist, Marc De
Fagel, Nathalie
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High-resolution physical, geochemical, and geochronological analyses on the sedimentary sequence of Yenicaa 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. Yenicaa 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.
Subject Keywords
Yenicaa Lake
,
Sofular Cave
,
North Anatolian Fault
,
Chronostratigraphic correlation
,
Irregular recurrence
,
Seismic gap
URI
https://hdl.handle.net/11511/28231
Journal
Geophysical Research Letters
DOI
https://doi.org/10.1002/2013gl058221
Collections
Department of Geological Engineering, Article
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U. Avşar, M. D. Batist, and N. Fagel, “A 3400 year lacustrine paleoseismic record from the North Anatolian Fault, Turkey: Implications for bimodal recurrence behavior,”
Geophysical Research Letters
, pp. 377–384, 2014, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/28231.