新疆数字测震台网的监测能力及其构造意义
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摘要
新疆地震监测台网从1970年前的4个台发展到2008年数字测震台网建设完成以后,共有测震台站63个,结合邻省的15个地震台站的实时数据,地震监测能力得到极大的提高。阿勒泰构造小区、西准噶尔小区、北天山西段、南天山东段和西段现今的地震监测能力为1.5~2.0级,东天山为2.0~2.5级,西昆仑、阿尔金和交汇区为2.5~3.0级,乌鲁木齐和喀什附近地区的现今监测能力为0.5~1级。新疆数字测震台网的建设着重考虑了对新疆活动构造的监测,目前对新疆大部分活动断裂带的监测能力都在1.0~1.5级,这对今后的地震监测预报和防震减灾工作有十分重要的意义。
The seismic observation network developed rapidly,from 4 stations in 1970 to 2008,After the construction of the Digital seismic observation network was completed,there are 63 stations.Combining real-time data of adjacent provinces' 15 earthquake stations,the monitoring ability of earthquake has made great progress.Nowadays,the monitoring ability is about 1.5~2.0 magnitude in Altay structural micro-region,West Junggar micro-region,the west of the north Tien Shan,the east and west of south Tien Shan.The ability in East Tien Shan is about 2.0~2.5 magnitude.The ability in West Kunlun,Altun and their crossing areas is about 2.5~3.0 magnitude.The monitoring ability in Urumqi city and near Kax is about 0.5~1 magnitude.The active structures in Xinjiang are paid more attention in the construction of Tenth Five-year observation.Presently,the ability to most of active faults in Xinjiang is about 1.0~1.5 magnitude,which has great significance to the seismic monitoring forecast and quake-resistant work for future time.
The seismic observation network developed rapidly,from 4 stations in 1970 to 2008,After the construction of the Digital seismic observation network was completed,there are 63 stations.Combining real-time data of adjacent provinces' 15 earthquake stations,the monitoring ability of earthquake has made great progress.Nowadays,the monitoring ability is about 1.5~2.0 magnitude in Altay structural micro-region,West Junggar micro-region,the west of the north Tien Shan,the east and west of south Tien Shan.The ability in East Tien Shan is about 2.0~2.5 magnitude.The ability in West Kunlun,Altun and their crossing areas is about 2.5~3.0 magnitude.The monitoring ability in Urumqi city and near Kax is about 0.5~1 magnitude.The active structures in Xinjiang are paid more attention in the construction of Tenth Five-year observation.Presently,the ability to most of active faults in Xinjiang is about 1.0~1.5 magnitude,which has great significance to the seismic monitoring forecast and quake-resistant work for future time.
引文
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[4]胥颐,许静,许洪新.乌鲁木齐遥测地震台网监测能力综合评价[J].内陆地震,1996,10(1):7-14.
[5]王桂岭,韩京,缑兰兰,等.天山地区地震目录[J].内陆地震,1997,11(增刊):2-18.
[6]袁顺,段天山,冉慧敏.新疆数字地震观测网络测震系统的构建[J].内陆地震,2009,23(2):174-179.
[7]新疆维吾尔自治区地震局.中国新疆维吾尔自治区地震构造图说明书[M].四川:成都地图出版社,1997.
[8]新疆维吾尔自治区地震局.富蕴地震断裂带[M].北京:地震出版社,1985.
[9]尹光华,蒋靖祥,沈军.2003年阿尔泰强烈地震综述[J].内陆地震,2006,20(2):183-192.
[10]杨章,尹光华.1914年8月5日巴里坤7.5级地震[J].西北地震学报,1987,9(增刊):76-87.
[11]尹光华,蒋靖祥,吴国栋.1812年尼勒克地震的宏观震中位置研究[J].内陆地震,2009,23(4):424-429.
[12]尹光华,戈澍漠,柏美祥.1924年阿尔金断裂上的两次7.25级地震[J].西北地震学报,1988,10(增刊):96-98.
[13]阿尔金活动断裂带课题组.阿尔金活动断裂带[M].北京:地震出版社,1992.
[14]尹光华,蒋靖祥,吴国栋.2008年3月21日于田7.4级地震的构造背景[J].干旱区地理,2008,31(4):543-549.
[15]宋和平,沈军,向志勇,等.乌鲁木齐市活断层探测与地震危险性评价[M].北京:地震出版社,2009.
[16]聂晓红,李莹甄.2008年3月21日新疆于田7.4级地震序列特征及震前部分地震学异常特征[J].内陆地震,2010,24(2):116-123.
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