[1]钟天任,陈大庆,刘吉平,等.广东区域VP型垂直摆和JQY-1型垂直摆同震响应特征分析——以2025年6月23日广东清远MS4.3地震为例[J].华南地震,2026,46(02):59-64.[doi:10.13512/j.hndz.2026.02.08]
 ZHONG Tianren,CHEN Daqing,LIU Jiping,et al.Coseismic Response Analysis of VP-Type Vertical Pendulum and JQY-1-Type Vertical Pendulum in Guangdong Region—A Case Study of Qingyuan MS4.3 Earthquake in Guangdong on June 23,2025[J].,2026,46(02):59-64.[doi:10.13512/j.hndz.2026.02.08]
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广东区域VP型垂直摆和JQY-1型垂直摆同震响应特征分析——以2025年6月23日广东清远MS4.3地震为例()

华南地震[ISSN:1006-6977/CN:61-1281/TN]

卷:
46
期数:
2026年02期
页码:
59-64
栏目:
地震科学研究
出版日期:
2026-03-20

文章信息/Info

Title:
Coseismic Response Analysis of VP-Type Vertical Pendulum and JQY-1-Type Vertical Pendulum in Guangdong Region—A Case Study of Qingyuan MS4.3 Earthquake in Guangdong on June 23,2025
文章编号:
1001-8662(2026)02-0059-06
作者:
钟天任陈大庆刘吉平谭争光王宇龙
广东省地震局,广州 510070
Author(s):
ZHONG TianrenCHEN DaqingLIU JipingTAN ZhengguangWANG Yulong
Guangdong Earthquake Agency , Guangzhou 510070, China
关键词:
清远MS4.3地震垂直摆同震响应S变换
Keywords:
Qingyuan MS4.3 EarthquakeVertical pendulumCoseismic responseS transform
分类号:
P315.726
DOI:
10.13512/j.hndz.2026.02.08
文献标志码:
A
摘要:
以2025年6月23日广东清远MS4.3地震为例,对广东区域内VP垂直摆和JQY-1垂直摆记录到的同震响应资料进行分析,对比分析了二者的同震响应特征,结果表明,两种型号垂直摆倾斜仪记录的最大响应幅度、初动时间、响应持续时间和同震形态具有一定规律和差异性。利用S变换方法研究了整个同震时段的频谱动态演化过程,结果显示,JQY-1垂直摆同震波的频带处于0.01~0.03Hz,能量集中在0.02Hz附近;VP垂直摆则处在0.01~0.03Hz和0.35~0.45Hz,能量集中在0.02Hz和0.4Hz附近,频域比前者要宽。
Abstract:
Taking the Qingyuan MS4.3 earthquake in Guangdong on June 23,2025 as an example,the coseismic response data recorded by VP vertical pendulum and JQY-1 vertical pendulum in the Guangdong region were analyzed,and the coseismic response characteristics of the two were compared and analyzed. The results show that the maximum response amplitude,initial movement time,response duration,and coseismic morphology recorded by the two types of vertical pendulum inclinometers have certain regularity and differences. The spectral dynamic evolution process of the entire coseismic period was studied using the S-transform method. The results show that the frequency band of the JQY-1 vertical pendulum coseismic wave is between 0.01 and 0.03 Hz, and the energy is concentrated around 0.02 Hz. The VP vertical pendulum is located at 0.01-0.03 Hz and 0.35-0.45 Hz,with energy concentrated around 0.02 Hz and 0.4 Hz,and the frequency domain is wider than the former.

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备注/Memo

备注/Memo:
收稿日期:2025-08-07
作者简介:钟天任(1984-),女,工程师,主要从事地震监测预报工作。E-mail:tcbychung@163.com
更新日期/Last Update: 2026-03-20