Testing a logic tree approach for archaeoseismology to the ancient city of Pınara (SW Turkey)

Testing a logic tree approach for archaeoseismology to the ancient city of Pınara (SW Turkey)
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测试帕纳拉古城(土耳其西南部)考古地震学逻辑树方法

DOI:
10.1016/j.quaint.2011.01.037
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发表时间:
2011
影响因子:
2.2
通讯作者:
Sintubin
Sintubin
中科院分区:
地球科学3区
文献类型:
--
作者:
ten Veen;Sintubin

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地质学家、地震学家和考古学家越来越多地应用考古地震学调查来研究场地破坏的可能自然原因,并评估区域地震灾害风险。地震学调查能够获得过去地震的各种数据,并允许应用不同的方法。此外,考古地震学提供了在仪器和历史数据有限的地区研究过去地震的机会。因此,这种方法有助于区域地震危险性评估。考古地震学的应用和重要性日益增加,需要一个全面和系统的方法。考古地震学的逻辑树方法是一种评价方法,它提供了一个标准的程序来识别和评价考古地震学信息,并为地震危险性评估提供可比值。这项研究测试了逻辑树方法的考古地震学Pınara,以评估城市的潜力,有记录的地震,和方法的价值。Pınara古城(土耳其西南部,公元前500年-公元900年)位于地震活跃的Fethiye-Burdur断层带南端的Ehren盆地。目前的地震平静的埃森盆地矛盾的地质和历史记录,表明断层和地震活动必须是经常性的。随着逻辑树方法在Pınara的应用,地震活动的地质和考古地震学证据分六个阶段进行评估。逻辑树的最终解提供了一个介于0和1之间的值。该考古质量因子(AQF)反映了Pınara在考古地震学调查和地震危险性评估中的可靠性和相对重要性。用逻辑树方法得到Pınara的最优端解(Pes 1)为0.06,AQF为0.12,反映了Pınara记录古地震的高概率。总之,考古地震学的逻辑树提供了一个概念,可靠的标准,以评估地震假设一般,研究结果表明,假设低地震危险性的这一地区需要认真重新考虑。
Geologists, seismologists, as well as archaeologists increasingly apply archaeoseismological investigations to study possible natural causes of damage of a site and to assess the regional seismic hazard risks. Archaeoseismological investigations enable the obtaining of diverse data on past earthquakes and allow for an application of different methods. Furthermore, archaeoseismology provides the opportunity to study past earthquakes in regions where limited instrumental and historical data are available. Therefore, this approach contributes to a regional assessment of seismic hazard. The increasing application and importance of archaeoseismology requires a comprehensive and systematic approach. The logic tree methodology for archaeoseismology is an evaluation method which offers a standard procedure to identify and evaluate archaeoseismological information and to provide comparable values for seismic hazard assessment. This study tests the logic tree methodology for archaeoseismology to Pınara to assess the city’s potential to have recorded earthquakes, and the methodology’s value. The ancient city of Pınara (SW Turkey, 500 BC–900 AD) is situated in the Eşen basin in the southern extremity of the seismically active Fethiye-Burdur fault zone. The present seismic quiescence of the Eşen basin contradicts the geological and historical records which indicate that fault and earthquake activity must have been recurrent. With the application of the logic tree approach to Pınara, geological and archaeoseismological evidence of seismic activity is evaluated in six stages. The end solution of the logic tree provides a value between 0 and 1. This archaeological quality factor (AQF) reflects the reliability and relative significance of Pınara for archaeoseismological investigation and seismic hazard assessment respectively. Pınara’s preferred end solution (Pes1) of 0.06 and the AQF of 0.12 are obtained by the logic tree method and reflect the high probability of recorded palaeoearthquakes in Pınara. In sum, the logic tree for archaeoseismology provides a concept with reliable criteria to assess the earthquake hypothesis in general, and the findings suggest the assumed low seismic hazard potential of this area needs serious reconsideration.
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