九江-瑞昌5.7级地震定点潮汐形变的异常分析
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摘要
采用形态法、矢量图和潮汐分析方法,利用EIS2000软件,对2005年11月26日江西九江-瑞昌Ms5.7地震距震中200km范围内的黄梅、麻城地震台2003~2005年的倾斜、应变资料进行了处理,结果表明上述台站的倾斜、应变资料震前均出现了不同程度的异常。
The data of tilt and strain from 2003 to 2005 at Huangmei and Macheng seismostations located within the rage of 200 km from the epicenter of the Jiujiang-Ruichang Ms5.7 earthquake was processed by use of EIS2000 software with methods of shape, vector diagram and analysis of tide.The result shows that the anomalies of different degree of tilt and strain appeared at these stations before the earthquake.
The data of tilt and strain from 2003 to 2005 at Huangmei and Macheng seismostations located within the rage of 200 km from the epicenter of the Jiujiang-Ruichang Ms5.7 earthquake was processed by use of EIS2000 software with methods of shape, vector diagram and analysis of tide.The result shows that the anomalies of different degree of tilt and strain appeared at these stations before the earthquake.
引文
1 陈德福,李正媛,陈鹏.定点形变观测与GPS大地测量[J].大地测量与地球动力学,2003,23(1):107~113.
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7 李正媛,陈鹏,等.川滇强震震源区形变潮汐短临变化特征[J].大地测量与地球动力学,2003,23(2):55~60.
7 Li Zhengyuan,Chen Peng,et al.Short-impending tide varia-tion features of strong earthquake source area in Sichuan and Yunnan[J].Journal of Geodesy and Geodynamics,2003,23(2):55-60.(in Chinese)
8 牛安福.丽江地震前后西南地区定点形变变化的特征分析[J].内陆地震,2004,18(4):300~305.
8 Niu Anfu.The characteristics of deformation in southwest re-gion before and after Lijiang earththquakes[J].Inland Earth-quake,2004,18(4):300-305.(in Chinese)
9 牛安福,张晶,等.持续加速变形与地震关系的研究[J].大地测量与地球动力学,2002,22(1):29~33.
9 Niu Anfu,Zhang Jing,et al.Study on continuously acceler-acted deformation and the relationship with earthquakes[J].Journal of Geodesy and Geodynamics,2002,22(1):29~33.(in Chinese)
10 刘序俨,洪星.论潮汐波与地震波[J].大地测量与地球动力学,2003,23(2):74~76.
10 Liu Xuyan and Hong xing.On earth tide and seismic wave[J].Journal of Geodesy and Geodynamics,2003.23(2):73-76.(in Chinese)
11 李杰,邹忠毅,等.TJ-II型钻孔应变仪数字化观测资料分析[J].大地测量与地球动力学,2003,23(2):74~76.
11 Li Jie and Zhou Zhongyi.Analysis of digitized of observation TJ-II bore-hole body strain meters[J].Journal of Geodesy and Geodynamics,2003.23(2):74-76.(in Chinese)
1 Chen Defu,Li Zhengyuan and Chen Peng.Observation of fixed titled deformation and GPS geodesy[J].Journal of Ge-odesy and Geodynamics,2003.23(1):107~113.(in Chi-nese)
2 吴翼麟,等.定点形变方法多指标判别地震异常的追踪分析[J].地壳形变与地震,1991,11(1):10~22.
2 Wu Yilin,et al.Track analysis of crustal deformation anoma-lies by multiparameter[J].Crustal Deformation and Earth-quake,1991,11(1):10-22.(in Chinese)
3 蒋俊,李胜乐,张雁滨.EIS2000地震前兆信息处理软件系统[M].北京:地震出版社.
3 Jiang Jun,Li Shengle and Zhang Yanbing.EIS2000earth-quake premonitory information depose system[M].Beijing:Seismological Press.(in Chinese)
4 李胜乐,陆远忠,车时,等.基于GIS的地震预报系统[M].成都:成都地图出版社,2002.
4 Li Shengle,Lu Yuanzhong,Che Shi,et al.System based on GIS for earthquake analysis and prediction[M].Chengdu:Chengdu Map Publish House.(in Chinese)
5 陈德福,等.倾斜异常图像分类及其特征浅析[J].地震学报,1986,8(2):211~225.
5 Chen Defu,et al.Preliminary opinion on the features and classification of anomaly patterns of crustal tilt[J].Acta Seismologica Sinica.1986,8(2):211-225.(in Chinese)
6 牛安福,张雁滨,等.地震前地壳形变异常分布的非均匀特征[J].地震,1999,19(2):149~154.
6 Niu Anfu,Zhang Yanbing,et al.On the heterogeneity of the anomaly intensity of the crustal deformation prior to earth-quakes[J].Earthquake,1999,19(2):149-154.(in Chi-nese)
7 李正媛,陈鹏,等.川滇强震震源区形变潮汐短临变化特征[J].大地测量与地球动力学,2003,23(2):55~60.
7 Li Zhengyuan,Chen Peng,et al.Short-impending tide varia-tion features of strong earthquake source area in Sichuan and Yunnan[J].Journal of Geodesy and Geodynamics,2003,23(2):55-60.(in Chinese)
8 牛安福.丽江地震前后西南地区定点形变变化的特征分析[J].内陆地震,2004,18(4):300~305.
8 Niu Anfu.The characteristics of deformation in southwest re-gion before and after Lijiang earththquakes[J].Inland Earth-quake,2004,18(4):300-305.(in Chinese)
9 牛安福,张晶,等.持续加速变形与地震关系的研究[J].大地测量与地球动力学,2002,22(1):29~33.
9 Niu Anfu,Zhang Jing,et al.Study on continuously acceler-acted deformation and the relationship with earthquakes[J].Journal of Geodesy and Geodynamics,2002,22(1):29~33.(in Chinese)
10 刘序俨,洪星.论潮汐波与地震波[J].大地测量与地球动力学,2003,23(2):74~76.
10 Liu Xuyan and Hong xing.On earth tide and seismic wave[J].Journal of Geodesy and Geodynamics,2003.23(2):73-76.(in Chinese)
11 李杰,邹忠毅,等.TJ-II型钻孔应变仪数字化观测资料分析[J].大地测量与地球动力学,2003,23(2):74~76.
11 Li Jie and Zhou Zhongyi.Analysis of digitized of observation TJ-II bore-hole body strain meters[J].Journal of Geodesy and Geodynamics,2003.23(2):74-76.(in Chinese)
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