门源地倾斜的前兆特征分析  

ANALYSIS ON PRECURSORY CHARACTERISTICS OF GROUND TILT IN MENYUAN

作　　者：李丽[1] 赵淑梅[1] 胡爱真[1] 

机构地区：[1]青海省地震局,西宁810001

出　　处：《高原地震》1999年第4期37-41,共5页Plateau Earthquake Research

摘　　要：采用气象学上的累年均值法 ,求取了门源地倾斜的正常年变形态 ,然后利用形态法 ,对震前异常形态与正常年变形态相比较 ,通过震例分析 。The authors have got the normal annual variation of ground tilt in Menyuan area by using the method of meteorological cumulative annual mean value, compared the abnormal and normal annual variations before Menyuan earthquake by using the morphologic method,and summarized the precursory anomalous characteristics and impending earthquake index of ground tilt in Menyuan area.

关 键 词：地倾斜 前兆特征 形态法 年变 门源 

分 类 号：P315.72[天文地球—地震学]