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《Journal of Seismological Research》 2001-04
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The Variation Characteristics of the Tilt Field in Yunnan before the Yaoan Earthquake M6.5

Liu Zhongquan (Seismological Bureau of Yunnan Province, Kunming, 650041)  
A systemic analysis has been made to the tilt data in Yunnan region before the Yaoan earthquake M6.5. It has discussed the anomalous chaacteristics of the precursory information before an earthquake and summarized the variation characteristics of the anomaly in the tilt field. The bigger the anomalous amplitude the wider the anomalous area. The region of tendecy anomaly is relatively concentrated. The appearing time of short-impending anomalies is relatively concentrated. The anomaly before the earthquake has an obviously staggered feature. The anomalous direction has some indicative. Finally, some discussions have been made to the tilt observation and earthquake prediction.
【CateGory Index】: P315.7
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【References】
Chinese Journal Full-text Database 3 Hits
1 ZHANG Li~1,NIU An-fu~2,TANG Shu-en~2,WANG Yong′an~1 (1.Earthquake Administration of Yunnan Province, Kunming 650041;2.China Seismic Networks Center, Beijing 100036; 3.Bureau for Precaution against earthquake Disaster of Kunming City, Kunming 650011, China);Successive deformation short-term precursor chara- cteristics before the Dayao earthquake[J];Earthquake;2005-02
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【Co-citations】
Chinese Journal Full-text Database 3 Hits
1 Wu Guohua; Luo Zengxiong; Lai Qun and Luo Bohua(Seismological Bureau of Yunnan province, of Kunmtiong, 650204);LANCANG-GENGMA EARTHQUAKE IN 1988 AND GRAVITATIONAL VARIATION IN WESTERN YUNNAN SEISMOLOGICAL EXPERIMENT SITE(WYSES)[J];CRUSTAL DEFORMATION AND EARTHQUAKE;1995-02
2 Duan Yongkang Hu Yili (Earth Science Department Yunnan University, Kunming, 650091) Zhao Jinming Xu Zhaoyong Cai Jingguan (Seismological Bureau of Yunnan Province, Kunming, 650041);WHY THE LIJIANG M7 EARTHQUAKE CAME LATER THAN EXPECTED ——STRESS CYCLE AND EARTHQUAKE[J];JOURNAL OF SEISMOLOGICAL RESEARCH;1999-04
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【Co-references】
Chinese Journal Full-text Database 2 Hits
1 Zhan Zhijia; Zhao Congli; Zhang Hongli; Gao Jintian; Shen Wenzhi(Institute of Geophysics, CSB, Beijing 100081, China);STUDY ON GEOMAGNETIC CHANGE AND SEISMOMAGNETIC PRECURSOR IN BEIJING AREA[J];EARTHQUAKE;1998-S1
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【Secondary References】
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1 He Kang Zheng Zhaobi Liu Zemin (Earthquake Administration of Anhui Province,Hefei 230031,China);Comprehensive appraisal of geoelectrical detection capability in Anhui Province[J];Seismological and Geomagnetic Observation and Research;2007-03
【Secondary Citations】
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1 Ye Chengzhi Hou Zhihua (Seismo-geological Brigade, State Seismological Bureau);A STUDY ON FEATURES OF RECENT ACTIVITY ALONG MAJOR FRACTURE ZONES IN WEST SICHUAN-YUNNAN REGION USING DATA OF FAULT DISPLACEMENT[J];Earthquake;1984-05
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