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  马志江,马起杨,侯林锋,石树中,杨福平.浙江临安4.2级地震特征及烈度调查[J].震灾防御技术,2018,(3):689-696, DOI:10.11899/zzfy20180320.

浙江临安4.2级地震特征及烈度调查
摘要:    2017年4月12日,浙江省杭州市临安市发生4.2级地震,地震震中附近的潜川镇、河桥镇震感强烈,於潜镇、太阳镇、湍口镇等震感较为明显。在对震区地质构造、震源机制解资料分析的基础上,开展了烈度调查,并绘制了地震烈度图。本次地震震中烈度为Ⅴ度,面积22.6km2,烈度圈长轴方向北东向,与马金-乌镇断层走向一致。
作者单位
马志江 浙江省地震局, 杭州 310013 
马起杨 浙江省地震局, 杭州 310013 
侯林锋 浙江省地震局, 杭州 310013 
石树中 浙江省地震局, 杭州 310013 
杨福平 浙江省地震局, 杭州 310013 
关  键  词:临安4.2级地震  马金-乌镇断层  震源机制解  地震烈度
DOI:10.11899/zzfy20180320
基金项目:
收稿日期:2017-12-27
作者简介:马志江,男,生于1977年。高级工程师。主要从事地震地质及地震应急现场调查评估方面研究。E-mail:934176052@qq.com
通讯作者:
Characteristics and Intensity Survey of the Lin'an M 4.2 Earthquake of Zhejiang Province
Abstract:      On April 12, 2017, M 4.2 earthquake occurred in Lin'an, Hangzhou, Zhejiang Province. Near the epicenter area, people in Qianchuan town and Heqiao town felt quake strongly, and the tremor was also felt in Yuqian town, Taiyang town and Chuaikou town. On the basis of the analysis of the geological structure and the source mechanism of the earthquake, we conducted the survey and mapped the seismic intensity. The earthquake epicenter intensity of Ⅴ degrees, covers an area of 22.6km2 with the long axis in north-east direction, and is consistent with the strike of Majin-Wuzhen fault.
Keywords:  Lin'an M 4.2 earthquake  Majin-Wuzhen fault  Focal mechanism solution  Earthquake intensity
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