Monitoring of remote seismic events in metropolitan area fibers using distributed acoustic sensing (DAS) and spatiotemporal signal processing

  • Martins, Hugo F.
  • Fernández-Ruiz, María R.
  • Costa, Luis
  • Williams, Ethan
  • Zhan, Zhongwen
  • Martin-Lopez, Sonia
  • Gonzalez-Herraez, Miguel
Publication date
March 2019
Publisher
Optical Society of America

Abstract

Remote seismic activity is monitored with DAS using a pre-existent fiber installation in an urban area. Background noise, which greatly exceeds the amplitude of the monitored seismic signals, is eliminated via 2D (spatio-temporal) signal processing

Extracted data

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