以五指山形变台为圆心,选取2016—2020年5 000 km范围内MS≥2.0地震资料,分析该台VP型宽频带倾斜仪记录地震特征,得出倾斜仪对震中距5 000 km范围内地震的记录能力。结果表明,该倾斜仪对海南及周边中强以上地震同震响应明显。
This paper used the earthquake catalog (MS ≥ 2.0) within 5 000 km of Wuzhishan Deformation Station from 2016 to 2020 to analyze the characteristics of seismic events recorded by the VP broadband tiltmeter,obtained the capability of Wuzhishan Deformation Station to record the earthquakes within 5 000 km.The results show that the VP tiltmeter has obvious co-seismic response to moderate and strong earthquakes in Hainan Province and its surrounding areas.
2022,43(3): 81-88 收稿日期:2021-7-26
DOI:10.3969/j.issn.1003-3246.2022.03.013
基金项目:海南省地震局科研课题(项目编号:HDKJ202008,HDKJ202206)
作者简介:周雯,女,工程师,主要从事地震监测预报工作。E-mail:283328457@qq.com
参考文献:
郭伟,陈立峰,苏亚梅,等.鄂尔多斯块体北缘台站水管仪观测质量及同震响应对比分析[J].中国地震,2019,35(2):359-366.
吕品姬,陈志遥,赵斌,等.定点倾斜观测映震能力综述[J].大地测量与地球动力学,2010,30(Z2):50-56.
马武刚,胡国庆,谭业春,等.新型宽频带垂直摆倾斜仪的设计及应用[J].测绘信息与工程,2010,35(5):28-30.
马武刚,吴艳霞,胡国庆. VP型宽频带潮汐观测仪的研制[J].地震工程学报,2015,37(3):873-877.
杨婕,占惠,卓群,等.厦门地震台重力仪同震响应特征分析[J].大地测量与地球动力学,2010,30(Z1):96-99.
袁曲,许裕之,吕品姬,等.宜昌台三类地倾斜仪观测数据的对比研究[J].地震工程学报,2019,41(6):1 536-1 544.
周雯,李志雄,徐芳芳,等.海南五指山形变台DSQ型水管倾斜仪与VP型垂直摆倾斜仪同震响应对比分析[J].地震地磁观测与研究,2020,41(5):90-95.