全球地震及火山的分布特征及其变化关系
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摘要
根据全球地震和火山的分布特征,发现全球的地震和火山具有相似的活动区,其活动区与板块运动密切相关.全球的地震和火山活动区大致可以分为大陆活动区、大洋活动区和俯冲-碰撞带.根据近一个世纪内地震和火山发生强度的大小,将全球的地震和火山活动划分为四个时期,通过分析全球地震和火山分布的平均维度曲线,发现地震和火山在时空上具有同步变化的特征,这很可能与板块的运动密切相关,但局部却显示出不一致性.
According to the distribution characteristics of global earthquakes and volcanoes,it's found that global earthquakes and volcanoes have similar active regions.And the activity regions are closely related to plate movement.The activity regions of global earthquakes and volcanoes can be roughly divided into active continental area,active oceanic area and subduction-collision zone.On the basis of the intensity of earthquakes and volcanoes,activities of the global earthquakes and volcanoes over the past century are divided into four periods.By analyzing the average latitude curves of global earthquakes and volcanoes,it's concluded that earthquakes and volcanoes have the feature of synchronization changes in time and space.This is likely to be intimately bound with plate movement,but locality shows inconsistency.
According to the distribution characteristics of global earthquakes and volcanoes,it's found that global earthquakes and volcanoes have similar active regions.And the activity regions are closely related to plate movement.The activity regions of global earthquakes and volcanoes can be roughly divided into active continental area,active oceanic area and subduction-collision zone.On the basis of the intensity of earthquakes and volcanoes,activities of the global earthquakes and volcanoes over the past century are divided into four periods.By analyzing the average latitude curves of global earthquakes and volcanoes,it's concluded that earthquakes and volcanoes have the feature of synchronization changes in time and space.This is likely to be intimately bound with plate movement,but locality shows inconsistency.
引文
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[2]Walter T R,Amelung F.Volcanic eruptions following M9 megathrust earthquakes:Implications for the SumatraAndaman volcanoes[J].Geology,2007,35(6):539-542.
[3]姜辉,邓志辉,高祥林,等.日本俯冲带地震发生过程的数值模拟研究[J].地球物理学报,2013,56(7):2303-2312.
[4]陈培善,陈海通,黎向东.全球地震地理分区[J].地震地磁观测与研究,1994,15(1):6-20.
[5]马宗晋,杜品仁,洪汉净.地球构造与动力学[M].广州:广东科技出版社,2003.
[6]洪汉净,于泳,郑秀珍,等.全球火山活动分布特征[J].地学前缘,2003,10(特刊):11-16.
[7]郝晓光,方剑,柳林涛,等.基于新编《系列世界地图》的全球板块分布图[J].地球物理学进展,2006,21(4):1108-1112.
[8]Calais E,Ebinger C,Hartnady C,et al.Kinematics of the East African Rift from GPS and earthquake slip vector data[J].Geological Society,London,Special Publications,2006,259:9-22.
[9]Chorowicz J.The East African rift system[J].Journal of African Earth Sciences,2005,43(1-3):379-410.
[10]李双双,延军平.西太平洋俯冲带北部地区MS8强震时空对称特征[J].地球物理学进展,2012,27(3):0960-0966.
[11]Siebert L,Simkin T.Volcanoes of the world:An illustrated catalog of Holocene volcanoes and their eruptions[J].Smithsonian Institution,Global Volcanism Program Digital Information Series,2002,GVP-3.
[12]Jan Esper,Lea Schneider,Pual J.Krusic,et al.European summer temperature response to annually dated volcanic eruptions over the past nine centuries[J].Bulletin of Volcanology,2013,75:736.
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