Preface to the special issue on seismic array analysis and CEArray

A seismic array is a set of seismographs being arranged in a regular geometric pattern to improve signalto-noise ratio (SNR).Seismic arrays at various length scales have been introduced since early 1960s and have been proved to be superior to single three-component stations for detecting and characterizing signals from earthquakes and explosions.     

Preface to the special issue on complicated features on seismic sources and deep structures

Earthquake is a kind of natural phenomenon in the Earth.Earthquake seismology has been developed quickly since modern digital seismometers were applied to observations.From seismic records,seismologists study source properties of the earthquakes and detect multi-scale structural variations in the crust,mantle,and core.     

Preface to the special issue on Lushan earthquake

<正>On April 20th,2013,a strong earthquake(Ms7,China Earthquake Network Center)struck Lushan county of Sichuan province and the quake(hereafter referred to as Lushan earthquake)caused substantial loss of life and damage to infrastructure.Just as the 2008 Ms8 Wenchuan earthquake,the Lushan earthquake also occurred on the Longmenshan fault system.After the Lushan earthquake,preliminary studies of the Lushan earthquake and its pos-     

Preface to the special issue on Lushan earthquake

On April 20th, 2013, a strong earthquake （Ms7, China Earthquake Network Center） struck Lushan county of Sichuan province and the quake （hereafter referred to as Lushan earthquake） caused substantial loss of life and damage to infrastructure. Just as the 2008 Ms8 Wenchuan earthquake, the Lushan earthquake also occurred on the Longmenshan fault system. After the Lushan earthquake, preliminary studies of the Lushan earthquake and its pos- sible link to the Wenchuan earthquake have been published in special issues rapidly organized in a few journals such as Seismological Research Letters, Chinese Journal of Geo- physics and Science in China.     

随机方法在地震烈度速报中的应用

我国地震监测台网间距大,很难实现大震发生时地震烈度分布图的快速编制.基于随机方法,利用历史小震数据反演地震动估计模型的参数,参考地震发生时获取的少量强震动数据,选取合适的震源参数,正演地震动场的分布.根据地震烈度与地震动参数的经验关系,实现地震烈度速报.本方法可以模拟大震的近断层地震动特征,对高烈度区的判断较目前常用的烈度速报方法更为合理.研究成果既可以用于首张烈度分布图的发布,还能够用于地震烈度的动态修正.     

Preface to the special issue on electromagnetic phenomena related to seismic and volcanic activities from EMSEV in 2016

<正>EMSEV,Electromagnetic Studies of Earthquake and Volcanoes,set up in 2002,is a joint academic organization by multi-associations in IUGG(International Union of Geodesy and Geophysics),including IAGA(International Association of Geomagnetism and Aeronomy),IASPEI(International Association of Seismology and Physics of the Earth’s Interior),IAVCEI(International Association of Volcanology and Chemistry of the Earth’s Interior).On     

Preface to the special issue on ambient noise seismology

<正>Not too long ago,seismic imaging of the Earth’s interior relied almost exclusively on the illuminationfrom energetic sources,such as earthquakes or artificialsources. However,recent theoretical and laboratory stu-dies have shown that the impulse response (Green’sfunction) of a structure between two receivers can be     

Preface to the special issue on recent advances of deep structure,seismic anisotropy and seismotectonics in China

<正>A workshop on crustal structure and seismotectonics was held on the Chinese Teacher's Day,the September 10th of 2011,in the city Lanzhou,China.Scientists and graduate students from Chinese Academy of Sciences,China     

地震预报与地震预警

在回顾了地震预报历史沿革的基础上,认为虽然地震预报的难度比较大,但成功地预报地震不是不可能的.地震预警系统已被实践证明是一套有效的避震措施,将在未来的防灾减灾工作中发挥巨大作用,但地震预警并不能代替地震预报.     

山东省地震烈度速报系统研制与应用

发展地震烈度速报系统是我国现阶段防震减灾事业的一项重要工作.其目的是在地震发生后,对强震动数据进行实时分析和处理,快速给出强震对地表的破坏程度——地震烈度分布图.鉴于目前国内强震动台网分布密度及数据传输方式等诸多因素的限制,多数烈度速报系统是基于美国的ShakeMap系统进行二次开发生成烈度分布图,其计算过程更多地依赖于对地震破裂过程的反演及地震烈度衰减关系,产出的烈度图是静态位图,分辨率较低,与丰富的地理信息难以无缝衔接(Wald et al,1999a;张晁军等,2010;泽仁志玛等,2006).     

山东省地震烈度速报系统研制与应用

发展地震烈度速报系统是我国现阶段防震减灾事业的一项重要工作.其目的是在地震发生后,对强震动数据进行实时分析和处理,快速给出强震对地表的破坏程度——地震烈度分布图.鉴于目前国内强震动台网分布密度及数据传输方式等诸多因素的限制,多数烈度速报系统是基于美国的     

《卫星地震应用研究》专辑前言

正我国的卫星地震应用研究最早始于20世纪70年代中期.国家地震局地震研究所和国家地震局地质研究所(1982)基于美国陆地资源卫星MSS的遥感图像,开展了全国范围的活动构造调查工作,基本查明了我国的主要活动构造及其分布情况.经过多年的发展,兵马未动,遥感先行,这已经成为目前地震构造研究的基本工作方法.20世纪80年代后期,遥感技术的快速发展带来了现代地壳运动和地震监测技术的创     

Preface to special issue on progress of computational seismology

正Seismology had emerged as a discipline of modern science during the last century through an extensive interplay between theoretical and experimental seismological researchers(Aki and Richards,2002).Today,