[1]龙云峰,申文豪,闵青云,等.考虑地形及场地影响的地震烈度估计——以1970年通海MS7.7地震为例[J].华南地震,2026,46(04):81-89.[doi:10.13512/j.hndz.2026.04.10]
　LONG Yunfeng,SHEN Wenhao,MIN Qingyun,et al.Seismic Intensity Estimation Considering the Influence of Topography and Site—Taking the 1970 Tonghai MS7.7 Earthquake as an Example[J].,2026,46(04):81-89.[doi:10.13512/j.hndz.2026.04.10]
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考虑地形及场地影响的地震烈度估计——以1970年通海MS7.7地震为例()

华南地震[ISSN:1006-6977/CN:61-1281/TN]

卷:
46
期数:
2026年04期
页码:
81-89
栏目:
土木工程防震减灾
出版日期:
2026-07-09

文章信息/Info

Title:
Seismic Intensity Estimation Considering the Influence of Topography and Site—Taking the 1970 Tonghai MS7.7 Earthquake as an Example
文章编号:
1001-8662（2026）04-0081-09
作者:
龙云峰1; 申文豪2; 闵青云1; 和晓辉1; 刘立平3; 周仿荣1
1.云南电网有限责任公司电力科学研究院，昆明 650217;2.应急管理部国家自然灾害防治研究院，北京 100085;3.重庆大学，重庆 400044
Author(s):
LONG Yunfeng1; SHEN Wenhao2; MIN Qingyun1; HE Xiaohui1; LIU Liping3; ZHOU Fangrong1
1.Electric Power Science Research Institute, Yunnan Power Grid Co., Ltd., Kunming 650217, China;2.National Institute of Natural Hazards, Ministry of Emergency Management, Beijing 100085, China;3.Chongqing University, Chongqing 400044, China
关键词:
地震烈度; 震害评估; 通海地震; 地形校正; 场地校正
Keywords:
Seismic intensity;  Earthquake damage assessment;  Tonghai earthquake;  Topographic correction;  Site correction
分类号:
P315.9；TM7
DOI:
10.13512/j.hndz.2026.04.10
文献标志码:
A
摘要:
研究以1970年通海MS7.7地震为案例，系统开展了考虑地形与场地条件影响下的地震烈度估计方法研究。通过采用随机振动有限断层法模拟基岩地震动，随后结合基于地形坡度与地表以下30m平均剪切波波速（VS30）数据的校正方法，实现了对通海地震强地面运动场及烈度分布的重建。模拟结果与实际震害调查数据对比表明，综合地形与场地效应的校正方法显著提高了烈度预测的准确性，揭示了断层破裂及局部地质条件对地震破坏的控制作用。本研究发展的强地震动参数地形及场地校正流程，能够快速、大规模地评估区域地震烈度分布，具有良好的实用性和推广价值。
Abstract:
This paper takes the 1970 Tonghai MS7.7 earthquake as a case study and systematically conducts research on seismic intensity estimation methods considering the influence of topography and site conditions. By using the stochastic finite-fault method to simulate bedrock seismic ground motion and combining with the correction method based on topographic slope and average shear wave velocity (VS30) data at a depth of 30 m below the surface, the reconstruction of the strong ground motion field and intensity distribution of the Tonghai earthquake was realized. The comparison between simulation results and field seismic damage survey data shows that the correction method based on comprehensive topographic and site effect significantly improves the accuracy of intensity prediction, revealing the controlling effect of fault rupture and local geological conditions on seismic damage. The topographic and site correction process for strong ground motion parameters developed in this study can quickly and massively evaluate the distribution of regional siesmic intensity and has good practicality and promotion value.

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备注/Memo

备注/Memo:
收稿日期：2025-09-16
基金项目：南方电网公司科技项目（YNKJXM20240279）
作者简介：龙云峰（1998-），男，高级工程师，主要从事电网防灾减灾技术研究。E-mail: 15200879239@163.com
更新日期/Last Update: 2026-07-20