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Assessment of seismically induced damage using lidar; the ancient city of Pinara (SW Turkey) as a case study

Baris Yerli, Johan ten Veen, Manuel Sintubin, Volkan Karabacak, C. Caglar Yalciner and Erhan Altunel
Assessment of seismically induced damage using lidar; the ancient city of Pinara (SW Turkey) as a case study (in Ancient earthquakes, Manuel Sintubin (editor), Iain S. Stewart (editor), Tina M. Niemi (editor) and Erhan Altunel (editor))
Special Paper - Geological Society of America (2010) 471: 157-170

Abstract

Seismic-related damages of archaeological structures play an important role in increasing our knowledge about the timing and magnitudes of historical earthquakes. Although quantitative data should form the basis of objective archaeoseismological methods, most studies still do not rely on such methods. Ground-based LIDAR (light detection and ranging) is a promising, rather new, scanning technology that determines spatial position of an object or surface and provides high-resolution three-dimensional (3-D) digital data. Using LIDAR, we mapped the damage and overall attitude of a Roman theater in the ancient Lycian city of Pinara (500 B.C.-A.D. 900), located at a faulted margin of the Esen Basin (SW Turkey). An average 0.81 degrees NW tilt of the 20 seating rows could be computed from the LIDAR data. Conventional compass readings of these seating rows did not provide the same results because errors involved with this method are generally >2 degrees . The tilt direction appears perpendicular to the NE-trending basin-margin fault, suggesting that fault-block rotation is the most likely mechanism to have induced the systematic tilt of the theater. The estimated 4 m offset on this normal fault should be seen as a rough estimate of the total displacement and was likely produced by several (more than one) earthquakes with magnitudes of M = 6-6.8. This is consistent with historical records that mention several large earthquakes during the Roman period.


ISSN: 0072-1077
EISSN: 2331-219X
Coden: GSAPAZ
Serial Title: Special Paper - Geological Society of America
Serial Volume: 471
Title: Assessment of seismically induced damage using lidar; the ancient city of Pinara (SW Turkey) as a case study
Title: Ancient earthquakes
Author(s): Yerli, Baristen Veen, JohanSintubin, ManuelKarabacak, VolkanYalciner, C. CaglarAltunel, Erhan
Author(s): Sintubin, Manueleditor
Author(s): Stewart, Iain S.editor
Author(s): Niemi, Tina M.editor
Author(s): Altunel, Erhaneditor
Affiliation: Ruhr University Bochum, Institute for Geology, Mineralogy and Geophysics, Bochum, Germany
Affiliation: Katholieke Univesiteit Leuven, Department of Earth and Environmental Sciences, Leuven, Belgium
Pages: 157-170
Published: 2010
Text Language: English
Publisher: Geological Society of America (GSA), Boulder, CO, United States
References: 59
Accession Number: 2011-015768
Categories: Quaternary geologySeismology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 2 tables, geol. sketch maps
N36°29'30" - N36°29'30", E29°36'35" - E29°36'35"
Secondary Affiliation: University of Plymouth, GBR, United KingdomUniversity of Missouri-Kansas City, USA, United StatesEskisehir Osmangazi University, TUR, TurkeyKatholieke Universiteit Leuven, BEL, BelgiumOsman Gazi University, TUR, Turkey
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data supplied by the Geological Society of America, Boulder, CO, United States
Update Code: 201110
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