International Federation of Digital Seismograph Networks

Network Codes

The following network codes are assigned by the FDSN to facilitate unique identifiers for seismological data streams.

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Network Code Network Name Operated By Deployment DOI
UA Caribbean Andesite Lava Island Precision Seismo-geodetic Observatory
  • University of Arkansas - Fayetteville
UB University of Zimbabwe 1 Zimbabwe DOI
UC Colima Seismic Network
  • Universidad de Colima (Mexico)
UD Seismic Network Main Center of Special Monitoring
UE Seismological Network of United Arab Emirates United Arab Emirates
UF Centro de Investigación de Resiliencia y Riesgos Multi-Amenazas DOI
UG Unocal Geothermal Northern California Network
  • Unocal Corporation
United States of America
UH UH Infrasound Network
UI North Idaho Seismic Network
  • University of Idaho
UK UK Schools Seismic Network
  • University of Leicester (SEIS UK)
UL USGS Low Frequency Geophysical Data Network
  • USGS Menlo Park
UM University of Montana Seismic Network
  • University Of Montana
UN Uganda National Seismological Network
  • Directorate of Geological Survey and Mines, Uganda (DGSM)
Uganda DOI
UO Pacific Northwest Seismic Network - University of Oregon
  • University of Oregon
UP Swedish National Seismic Network
  • Uppsala University
UR UKArray United Kingdom DOI
US United States National Seismic Network
UU University of Utah Regional Seismic Network
UV Red Sismológica del Suroccidente Colombiano
UW Pacific Northwest Seismic Network - University of Washington
  • University of Washington
UY Observatorio Geofisico del Uruguay
  • Universidad de la Republica
UZ Uzbekistan Digital Seismic Network

Network Data API

The network data shown here is also available programmatically through a web service API.