摘要
2011年5月1日哈萨克斯坦境内发生MS5.2地震,震前部分哈萨克斯坦地下流体测项出现了前兆异常。通过分析,总结出其异常类型大致有2种:①波动异常,主要表现为速率变化、上升幅度超出正常波动范围;②年变畸变异常,主要表现为打破年变规律。此次地震前中短期异常的出现时间与震中距成正比关系。
Underground fluid in Kazakhstan appeared precursor anomaly before Kazakhstan earth- quake with Ms5.2 occured on May 1st ,2011. The anomaly type can be divided into two types： （1） wave anomaly which is mainly presented as rate change or rising range transfinite;（2） distortion a- nomaly which mainly presented as broken yearly change law. The appearance time of mid-short term anomalies before earthquake is proportional to epicentral distance.
出处
《内陆地震》
2012年第4期300-305,共6页
Inland Earthquake
基金
新疆地震科学基金(201108)
中国地震局合同制定向任务(2012020309)联合资助
关键词
新疆
哈萨克斯坦5.2级地震
地下流体
前兆异常
Xinjiang
Kazakhstan earthquake with Ms5.2
Underground fluid
Precursor anomaly
