摘要
简要介绍了CO2快速测定法的特点,分析了近6年来长乐筹东CO2观测点测得的7个3.6级以上地震的CO2前兆异常特征,同时探讨了大量降雨与CO2观测值之间的关系。1999年11月至2004年12月期间共发生3次ML3.6以上地方震和5次MS6.4以上台湾地区地震,其中7次地震震前出现CO2异常,有地震无异常的只有1次,表明CO2异常具有预报意义。厦门同安ML3.7地震前13天,CO2出现突升异常,异常峰值是背景值的2倍左右,笔者据此在震前5天对这次地震提出了较好的短期预报意见。
We introduce a rapid CO2 measurement method, analyze the characteristics of CO2 anomalies observed at Choudong Station in Changle, Fujian before 7 earthquakes （M≥3.6） in recent 6 years, and discuss the relation- ship between great deal of rainfall and CO2 observation value. Before 7 of 8 earthquakes （3 ML ≥3.6 in Changle and nearby and 5 Ms ≥6.4 in Taiwan） from Nov. 1999 to Dec. 2004, the CO2 appeared anomalous. On Oct. 29, 2004, just thirteen days before the Tong＇an, Xiamen, ME3.7 earthquake, we observed abrupt increase anomaly of CO2, the peek value of which is about 2 times of background value. According to this anomaly I put forward accurate prediction of the earthquake 5 days before it.
出处
《地震研究》
CSCD
北大核心
2006年第1期30-34,共5页
Journal of Seismological Research
关键词
CO2
观测方法
前兆异常
地震预报
CO2, measurement method, precursor anomaly, earthquake prediction
