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Comparing calibration coefficients constrained from early to recent macroseismic and instrumental earthquake data in Greece and applied to eighteenth century earthquakes
Journal of Seismology ( IF 1.6 ) Pub Date : 2020-01-22 , DOI: 10.1007/s10950-019-09874-7
V. Kouskouna , V. Kaperdas , N. Sakellariou

The purpose of this paper is to determine calibration constants of instrumental Greek earthquakes in order to calculate the basic seismic parameters of historical earthquakes (magnitude, epicenter, focal depth) via macroseismic data. Two different approaches are adopted for calibration procedure. The first implements the macroseismic estimation of earthquake parameters (MEEP procedure) and is based on macroseismic data points (MDPs). The second approach calculates macroseismic magnitude based on isoseismal areas, using both linear and multiple regression techniques. The datasets used for analysis comprise of 121 instrumental earthquakes with 7247 MDPs and 123 isoseismal maps. Validation of the results is performed using six instrumental earthquakes in order to verify the calibration parameters. Finally, calibration constants are successfully applied for parameters calculation of eight eighteenth century events. Thus, the application of the results to historical earthquakes contributes to the improvement of the seismic picture of Greece.

中文翻译:

比较受早期和近期希腊大地震和仪器地震数据限制的校准系数,并适用于18世纪地震

本文的目的是确定仪器地震的校准常数,以便通过宏观地震数据计算历史地震的基本地震参数(震级,震中,震源深度)。校准过程采用两种不同的方法。第一种是基于宏观地震数据点(MDP)来实现地震参数的宏观地震估计(MEEP程序)。第二种方法使用线性和多元回归技术,基于等震面积来计算宏观地震震级。用于分析的数据集包括121次仪器地震,7247个MDP和123个等震图。使用六次仪器地震对结果进行验证,以验证校准参数。最后,校准常数已成功应用于18世纪八次事件的参数计算。因此,将结果应用于历史地震有助于改善希腊的地震情况。
更新日期:2020-01-22
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