This paper describes the basic principle,composition and Outburst hazard criterion of the Russia-made 3y A-6 seismic acoustic monitoring system and its trlal application in No. 8 Mlne of Pingdinghan Coal Mining Administration.

• 介绍了俄罗斯3yA－6型地震声学监测系统的基本原理、系统组成、突出危险判据和在平顶山八矿的试验应用情况。