2001年11月14日昆仑山口西8.1级大震前徐州台数字化形变观测仪器记录的异常  

Anomalies recorded by the digital deformation observation instruments at the Xuzhou Seismic Station prior to the M8.1 earthquake of 14 Nov. 2001 to the west of the Kunlun Mountains′ Pass

作　　者：范桂英[1] 拾礼勤 李兰生 

机构地区：[1]江苏省地震监测中心,江苏南京210014 [2]徐州地震台,江苏徐州221008

出　　处：《地震学刊》2002年第2期7-11,共5页Journal of Seismology

摘　　要：北京时间 2 0 0 11114T 17∶2 6 ,在昆仑山口西发生了 8 1级地震。震中为 36 2°N ,90 9°E。这次地震前徐州地震台体应变仪、水管仪、伸缩仪数字化形变观测记录到了较明显的短临异常信息。本文试对这些异常进行分析。A magnitude 8.1 earthquake occurred to the west of the Kunlun Mountains′ Pass on 14 Nov. 2001 at 17h 26m (Beijing Time). The epicentral position is 36.2°N, 90.9°E. Rather obvious short-term and imminent anomalous information had been recorded by the digital deformation observation instruments (the volumetric strainmeter, the water-tube tiltmeter and the extensometer) at the Xuzhou Seismic Station prior to the earthquake. An attempt is made in the present paper to analyse these anomalies.

关 键 词：2001年 11月 昆仑山 数字化前兆观测数据 短临异常 8.1级地震 水管化 体应变仪 伸缩化 

分 类 号：P315.725[天文地球—地震学]