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浙江大学学报(理学版)  2018, Vol. 45 Issue (1): 1-9    DOI: 10.3785/j.issn.1008-9497.2018.01.001
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秘鲁Mw ≥ 6.9地震趋势判断与时空对称规律
王辉1,2, 延军平1,2, 唐宝琪1, 李英杰1
1. 陕西师范大学 地理科学与旅游学院, 陕西 西安 710119;
2. 地理学国家级实验教学示范中心(陕西师范大学), 陕西 西安 710119
Space-time symmetry and tendency judgement of Mw ≥ 6.9 earthquake in Peru
WANG Hui1,2, YAN Junping1,2, TANG Baoqi1, LI Yingjie1
1. School of Geography and Tourism, Shaanxi Normal University, Xi'an 710119, China;
2. National Demonstration Center for Experimental Geography Education(Shaanxi Normal University), Xian 710119, China
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摘要: 选取秘鲁地区1970年以来Mw ≥ 6.9的地震数据,根据可公度性理论,提取秘鲁强震的可公度信息,采用蝴蝶结构图、可公度网络结构图和震中迁移方法,探索该地区强震活动的时空对称性,同时对可能触发地震的天文现象与地震灾害的发生进行相关分析,进一步验证趋势判断结果,发现相关规律.研究结果表明:1970年以来秘鲁Mw ≥ 6.9地震具有可公度性,2019年在秘鲁北部(73°W,11°S附近)发生中深源地震的信号较强;太阳活动、地球自转、月球运动与秘鲁地震的发生具有一定相关性,秘鲁Mw ≥ 6.9地震发生在太阳活动峰值年、下降段的占77.78%,发生在太阳活动双周期的占66.67%,发生在地球自转变化率较大年份的占60%,朔月前后是地震频发期(占44.44%),朔月、下弦月前后地震发生次数达83.33%.
关键词: 可公度时空对称趋势判断太阳黑子地震    
Abstract: Based on the seismic data (Mw ≥ 6.9) in Peru, the signal intensity of the earthquakes tendency is analyzed and judged by the methods of commensurability information according to the theory of commensurability. The butterfly structure diagram, commensurability structure system and epicenter migration approach are employed to prove the reliability of the forecast result and reveal how the astronomical factors affect strong earthquake activities. It shows that the seismic activities of Mw ≥ 6.9 in Peru since 1970 exhibit obvious commensurability, the tendency of an intermediate focus earthquake occurring in 2019 is strong with the random probability of 55.56%. Besides, the great earthquakes in Peru have a significant relationship with the solar activity,earth's rotation and lunar movement:Previous earthquakes mostly occurred in the solar activity peak and decline period, the double cycle of sunspot and the years with variance of the Earth's rotation rate; Earthquake unlikely occurred in full moon and twilight moon days.
Key words: commensurability    spatiotemporal symmetry    trend judgment    sunspot    earthquake
收稿日期: 2017-04-07 出版日期: 2017-12-15
CLC:  P954  
基金资助: 国家自然科学基金资助项目(41171090);国家社会科学基金重点项目(14AZD094);教育部人文社会科学重点研究基地重大项目(15JJD790022).
通讯作者: 延军平,ORCID:http://orcid.org/0000-0003-3983-198X,E-mail:yanjp@snnu.edu.cn     E-mail: yanjp@snnu.edu.cn
作者简介: 王辉(1990-),ORCID:http://orcid.org/0000-0003-4885-1608,男,博士研究生,主要从事灾害地理学与区域可持续发展研究,E-mail:fjwh1990@126.com.
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引用本文:

王辉, 延军平, 唐宝琪, 李英杰. 秘鲁Mw ≥ 6.9地震趋势判断与时空对称规律[J]. 浙江大学学报(理学版), 2018, 45(1): 1-9.

WANG Hui, YAN Junping, TANG Baoqi, LI Yingjie. Space-time symmetry and tendency judgement of Mw ≥ 6.9 earthquake in Peru. Journal of Zhejiang University (Science Edition), 2018, 45(1): 1-9.

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https://www.zjujournals.com/sci/CN/10.3785/j.issn.1008-9497.2018.01.001        https://www.zjujournals.com/sci/CN/Y2018/V45/I1/1

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