青海东北部地区强震活动特征及强震形势估计  

CHARACTERISTICS OF STRONG EARTHQUAKE ACTIVITY AND ITS TENDENCY ESTIMATION IN NORTHEAST AREA IN QINGHAI PROVINCE

作　　者：马玉虎[1] 马文静[1] 张恩育[1] 

机构地区：[1]青海省地震局,青海西宁810001

出　　处：《高原地震》2003年第3期27-32,共6页Plateau Earthquake Research

摘　　要：2003年4月17日,德令哈西发生了Ms6 6级地震,通过分析区域强震活动的时空特征,认为该区域强震活动具有相对活跃时段和相对平静时段,在强震的相对活跃时段内,强震的发生具有一定的时空特征。An earthquake with Ms6.6 occurred in west Delingha on Apr.17,2003.Strong earthquake activities in this area exist relatively active-quiet episodes by analysing the temporal-spatial characteristics of seismicities.During the active episode,there are some temporal-spatial characteristics before strong earthquakes occurance.

关 键 词：强震活动 时空特征 德令哈地震 

分 类 号：P315.5[天文地球—地震学]