[1]马钦忠,李 伟,龚 耀,等.福建沿海地电场组网观测及其对闽台地区地震短临预测的指示意义[J].华南地震,2026,46(04):27-40.[doi:10.13512/j.hndz.2026.04.04]
　MA Qinzhong,LI Wei,GONG Yao,et al.Network Observation of Geoelectric Field Along Fujian Coast and Its Implication Meaning for Short-Term and Imminent Earthquake Prediction in Fujian-Taiwan Region[J].,2026,46(04):27-40.[doi:10.13512/j.hndz.2026.04.04]
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福建沿海地电场组网观测及其对闽台地区地震短临预测的指示意义()

华南地震[ISSN:1006-6977/CN:61-1281/TN]

卷:
46
期数:
2026年04期
页码:
27-40
栏目:
地震科学研究
出版日期:
2026-07-09

文章信息/Info

Title:
Network Observation of Geoelectric Field Along Fujian Coast and Its Implication Meaning for Short-Term and Imminent Earthquake Prediction in Fujian-Taiwan Region
文章编号:
1001-8662（2026）04-0027-14
作者:
马钦忠1; 2; 李 伟1; 2; 龚 耀1; 2; 张翊宁3; 林木金3; 郑志泓3; 赖见深3; 温燕林1; 2; 赵文舟1; 2
1.上海市地震局，上海 200062;2.上海佘山地球物理国家野外科学观测站，上海 200062;3.福建省地震局漳州地震监测中心站，福建 漳州 363118
Author(s):
MA Qinzhong1; 2; LI Wei1; 2; GONG Yao1; 2; ZHANG Yining3; LIN Mujin3; ZHENG Zhihong3; LAI Jianshen3; WEN Yanlin1; 2; ZHAO Wenzhou1; 2
1.Shanghai Earthquake Agency, Shanghai 200062, China;2.Shanghai Sheshan National Geophysical Observatory, Shanghai 200062, China;3.Zhangzhou Earthquake Monitoring Center Station, Fujian Earthquake Agency,Zhangzhou 363118, China
关键词:
闽台地区; 地电场观测; 指纹信息法; 地震预测
Keywords:
Fujian-Taiwan region;  Geoelectric field observation;  Fingerprint information method;  Earthquake prediction
分类号:
P315.72+2
DOI:
10.13512/j.hndz.2026.04.04
文献标志码:
A
摘要:
闽台地区地处地震活跃带，开展地电场观测对揭示地震电信号特征及提升短临预测能力具有重要意义。研究基于福建沿海地电场观测网建设,通过加密观测实验，在泉州台单点观测基础上，于2017—2022年分阶段增设漳州、东山、平潭三处临时台站，构建了空间跨度约300km的三角组网观测体系。观测结果表明，闽台地区中强地震前均存在显著的地电场异常信号，其波形、幅频特征及时空演化规律具有可辨识性。基于“地电场指纹信息法”建立的短临预测模型，通过4次震例分析得到，福建沿海现有观测网络密度（台间距≤150km）满足地震电信号短临预测需求，验证了中等密度地电场观测网在地震短临预测中的可行性。本成果为东南沿海地震重点监测区构建业务化预测系统提供了技术参考，后续需进一步优化噪声抑制与异常量化判据以提高模型稳定性。
Abstract:
Fujian-Taiwan region belongs to the seismically active zone. It is of great significance to carry out geoelectric field observation to reveal the characsteristics of seismic electric signals and improve the ability of short-term and imminent earthquake prediction in the region. Based on the observation network construction of geoelectric field and encrypted observation experiment, on the basis of single point observation at Quanzhou station, this study added three temporary stations in Zhangzhou, Dongshan and Pingtan during the period of 2017-2022, constructing a triangulation observation system with a spatial span of about 300 kilometers. The results show that there are significant abnormal signals of geoelectric field before moderate and strong earthquakes in Fujian-Taiwan region, and their waveforms, amplitude-frequency characteristic and spatio-temporal evolution rules are discernible. Based on the prediction model established by us with "fingerprint information method of geoelectric field" and the analysis of four earthquake cases,this paper?s results show that these observation network density (station spacing≤150 km) along Fujian coast meet the needs of the short-term and imminent earthquake prediction by seismic electric signals, and verifies the feasibility of medium density geoelectric field observation network. This achievement provides a technical reference for building an operational prediction system in the key earthquake monitoring areas along the southeast coast, in the future, noise suppression and abnormal quantization criteria need to be further optimized to improve the stability of the model.

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备注/Memo

备注/Memo:
收稿日期：2025-04-10
基金项目：上海市科学技术委员会科研计划项目（16dz1205800，23DZ1200200）
作者简介：马钦忠（1959-），男，研究员，主要从事地震电磁学研究。E-mail: mqz1234@sina.com
更新日期/Last Update: 2026-07-20