| 近场水位、水温同震响应特征及对地震的预测 |
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| 引用本文： | 苏鹤军,曹玲玲,张慧,李晨桦,周慧玲.近场水位、水温同震响应特征及对地震的预测[J].西北地震学报,2020,42(1):98-106. |
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| 作者姓名： | 苏鹤军 曹玲玲 张慧 李晨桦 周慧玲 |
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| 作者单位： | 中国地震局兰州岩土地震研究所, 甘肃 兰州 730000;甘肃省地震局, 甘肃 兰州 730000,甘肃省地震局, 甘肃 兰州 730000,中国地震局兰州岩土地震研究所, 甘肃 兰州 730000;甘肃省地震局, 甘肃 兰州 730000,中国地震局兰州岩土地震研究所, 甘肃 兰州 730000;甘肃省地震局, 甘肃 兰州 730000,中国地震局兰州岩土地震研究所, 甘肃 兰州 730000;甘肃省地震局, 甘肃 兰州 730000 |
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| 基金项目： | 甘肃省科技计划资助（1606RJYA218） |
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| 摘 要： | 为了掌握MS7以下强震近场流体的同震变化特征,以岷县漳县M S6.6地震为例,分析震中300 km范围内数字化水位和水温的同震变化特征及与未来4级以上地震发震区域的关系,结果显示:MS7以下强震引起的水位、水温同震相对变化幅度不大,且持续时间短,形态以突跳型变化为主;同震变化的相对幅度在空间上没有显著的差异;同震变化的初始方向在空间上具有四象限分布特征,且与震源机制解的四个区域配套;同震变化初始方向向上台站集中的区域与未来4级以上地震的发生区域有关。由于震级偏低的地震相对于MS7以上地震其发生频率高,且近场研究范围较小,因此其在未来地震的预测上具有更加重要的意义。
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| 关 键 词： | 岷县漳县 同震 近场 水位水温 预测 |
| 收稿时间： | 2018/5/24 0:00:00 |
Co-seismic Response Characteristics of Near-field Water Level andWater Temperature and Associated Prediction of Earthquakes |
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| SU Hejun,CAO Lingling,ZHANG Hui,LI Chenhua and ZHOU Huiling.Co-seismic Response Characteristics of Near-field Water Level andWater Temperature and Associated Prediction of Earthquakes[J].Northwestern Seismological Journal,2020,42(1):98-106. |
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| Authors: | SU Hejun CAO Lingling ZHANG Hui LI Chenhua and ZHOU Huiling |
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| Institution: | Lanzhou Institute of Geotechnical Earthquake, CEA, Lanzhou 730000, Gansu, China;Gansu Earthquake Agency, Lanzhou 730000, Gansu, China,Gansu Earthquake Agency, Lanzhou 730000, Gansu, China,Lanzhou Institute of Geotechnical Earthquake, CEA, Lanzhou 730000, Gansu, China;Gansu Earthquake Agency, Lanzhou 730000, Gansu, China,Lanzhou Institute of Geotechnical Earthquake, CEA, Lanzhou 730000, Gansu, China;Gansu Earthquake Agency, Lanzhou 730000, Gansu, China and Lanzhou Institute of Geotechnical Earthquake, CEA, Lanzhou 730000, Gansu, China;Gansu Earthquake Agency, Lanzhou 730000, Gansu, China |
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| Abstract: | To understand the co-seismic response characteristics of near-field water level and water temperature in strong earthquakes with magnitude less than 7,the Minxian-Zhangxian M S6.6 earthquake was studied.The co-seismic response characteristics of digital water level and water temperature within 300 km of the epicenter were analyzed,and their associated relationship with the region where M S4.0 earthquakes may occur was studied.Main analytical conclusions were as follows:co-seismic relative changes in amplitude in water level and water temperature induced by MS<7.0 earthquakes were not large,and were of short duration during the last event,with sudden-jump being the main effect.Relative amplitudes of the co-seismic changes were not clearly different in different regions.Initial directions of the co-seismic changes were distributed in a four-quadrant form.The station concentration region where the initial direction was up was related to the region where MS4.0 earthquakes may occur.Because the frequency of 6
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| Keywords: | Minxian-Zhangxian co-seismic near-field water level and water temperature prediction |
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