Regional Variation of the ω Values in the Circum-Pacific Belt

被引：0
|
作者：
T. M. Tsapanos
机构：
[1] Aristotle University of Thessaloniki,
[2] Geophysical Laboratory,undefined
[3] 54006 Thessaloniki,undefined
[4] Macedonia,undefined
[5] Greece. e-mail: TSAPANOS@OLYMP.CCF.AUTH.GR,undefined
来源：
pure and applied geophysics | 1997年 / 150卷
关键词：
Key words:ω-values, circum-Pacific belt, mechanical structure.;
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摘要：
—A data set of earthquakes which occurred in the circum-Pacific regions has been used to compute the ω values. This parameter is obtained through Gumbel’s third asymptotic distribution of extreme values and is well known as upper bound magnitude. The results show relatively higher ω values in South America, Central America and Mexico, than in the western part of the circum-Pacific belt. The results are interpreted in terms of the different mechanical structure (heterogeneity) of the materials in the eastern and western parts of the examined area.
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页码：113 / 120
页数：7
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