Microseismic Railway Monitoring System Successfully Detects Rockfall Events Working in partnership with Alstom Signaling, ESG installed a microseismic monitoring system along 250 feet of railway track, near the Dalles, Oregon. Analysis of data from a rockfall event enabled ESG to successfully calibrate the microseismic system so that real-time rockfall detection may be enabled, helping to reduce risk to oncoming trains. In regions with ru

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