伊朗扎格罗斯地区的地震潜力

IF 2 4区地球科学 Q2 GEOCHEMISTRY & GEOPHYSICS

Acta Geophysica Pub Date : 2016-12-02 DOI:10.1515/acgeo-2016-0080

R. Madahizadeh, M. Mostafazadeh, Shobyr Ashkpour-Motlagh

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引用次数: 3

摘要

地震应变和b值用于量化伊朗Zagros地区的地震潜力。较小的b值(0.69和0.69)与较大的地震矩率(9.96×1017和4.12×1017)有关，表明Zagros南部地区大地震更频繁。中到大的b值(0.72和0.92)与Zagros中部的小地震矩率(2.94×1016和6.80×1016)有关，表明大地震发生频率较低。较小的b值(0.64)与中地震矩率(1.38×1017)有关，表明扎格罗斯中北部地震频繁。b值大(0.87)，西北带地震矩率大(2.29×1017)，表明大地震发生频率高。南区(10年、14年)和西北区(13年)大地震的复发间隔较短，中部(46年、114年)和中北部(25年)大地震的复发间隔较长。

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Earthquake Potential in the Zagros Region, Iran

Seismic strain and b value are used to quantify seismic potential in the Zagros region (Iran). Small b values (0.69 and 0.69) are related to large seismic moment rates (9.96×1017 and 4.12×1017) in southern zones of the Zagros, indicating more frequent large earthquakes. Medium to large b values (0.72 and 0.92) are related to small seismic moment rates (2.94×1016 and 6.80×1016) in middle zones of the Zagros, indicating less frequent large earthquakes. Small b value (0.64) is related to medium seismic moment rate (1.38×1017) in middle to northern zone of the Zagros, indicating frequent large earthquakes. Large b value (0.87) is related to large seismic moment rate (2.29×1017) in northwestern zone, indicating more frequent large earthquakes. Recurrence intervals of large earthquakes (M > 6) are short in southern (10 and 14 years) and northwestern (13 years) zones, while the recurrence intervals are long in the middle (46 and 114 years) and middle to northern (25 years) zones.

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来源期刊

Acta Geophysica 地学-地球化学与地球物理

CiteScore

3.90

自引率

13.00%

发文量

251

审稿时长

5.3 months

期刊介绍： Acta Geophysica is open to all kinds of manuscripts including research and review articles, short communications, comments to published papers, letters to the Editor as well as book reviews. Some of the issues are fully devoted to particular topics; we do encourage proposals for such topical issues. We accept submissions from scientists world-wide, offering high scientific and editorial standard and comprehensive treatment of the discussed topics.