Weak Induced Seismicity in the Korobkov Iron Ore Field of the Kursk Magnetic Anomaly

被引：4
|
作者：
Besedina, A. N. [1 ]
Kishkina, S. B. [1 ]
Kocharyan, G. G. [1 ]
Kulikov, V. I. [1 ]
Pavlov, D. V. [1 ]
机构：
[1] Russian Acad Sci, Academician Sadovsky Inst Geosphere Dynam, Moscow 119334, Russia
来源：
JOURNAL OF MINING SCIENCE | 2020年 / 56卷 / 03期
基金：
俄罗斯科学基金会;
关键词：
Induced seismicity; seismic monitoring; underground mining; geodynamic activity; focal source parameters; magnitude; ROCK MASS; COAL-MINE; STRESS; WAVES;
D O I：
10.1134/S1062739120036818
中图分类号：
TD [矿业工程];
学科分类号：
0819 ;
摘要：
The article presents the analysis of seismic observations in mine roadways. The recorded seismic signals are connected with dynamic deformation of rock mass under massive blasting. The source of induced seismicity are dynamic movements deformation of rocks with an amplitude of 3-30 mu m along fractures 1-15 m long. These events feature low values of reduced energy, probably, due to shallow depth of mining. Distribution of induced seismicity events in time and space agreed with patterns of larger seismic events due to remote earthquakes, which implies weak probability of nasty geodynamic phenomena in the course of mining in the Korobkov Field.
引用
收藏
页码：339 / 350
页数：12
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