International Federation of Digital Seismograph Networks

Network Codes

The following network codes are assigned by the FDSN archive (IRIS DMC) to provide uniqueness to seismological data streams.

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Network Code Network Name Operated By Deployment DOI
C Chilean National Seismic Network Chile
C0 Colorado Geological Survey Seismic Network United States of America DOI
C1 Red Sismologica Nacional Chile DOI
C2 Canadian National Geomagnetic Network Canada
C3 Central and East European Earthquake Research Network Austria DOI
C4 CERN Seismic Network Multiple Countries
C5 University of Cambridge seismology
  • University of Cambridge (UK) Earth Sciences
United Kingdom DOI
C7 Red Sísmica Canaria
  • Instituto Volcanológico de Canarias (INVOLCAN)
Canary Islands, Spain DOI
C8 Canadian Seismic Research Network
  • Geological Survey of Canada
C9 Czech Microbarograph Network
  • Institute of Atmospheric Physics, Czech Academy of Sciences
Czechia DOI
CA Catalan Seismic Network Catalonia DOI
CB China National Seismic Network, Data Management Centre of China National Seismic Network at Institute of Geophysics, CEA China DOI
CC Cascade Chain Volcano Monitoring United States of America DOI
CD China Digital Seismograph Network United States of America DOI
CE California Strong Motion Instrumentation Program
  • California Division of Mines and Geology (CDMG)
United States of America
CF Red Acelerografica Nacional de la Comision Federal de Electricidad (CFE) Mexico
CG Coso Microearthquake Network United States of America
CH Switzerland Seismological Network Switzerland DOI
CI Southern California Seismic Network United States of America DOI
CJ Community Seismic Network
  • California Institute of Technology (Caltech)
United States of America
CK CAREMON Central Asian Cross-border network
  • GEOFON Program (GFZ-Potsdam, Germany)
Central Asia
CL Corinth Riff Laboratory Greece DOI
CM Red Sismologica Nacional de Colombia Colombia DOI
CN Canadian National Seismograph Network
  • Geological Survey of Canada
Canada DOI
CO South Carolina Seismic Network
  • University of South Carolina
United States of America DOI
CP CIVISA Seismo-Volcanic Monitoring Network-Azores Islands
  • University of Azores
CQ Cyprus Broadband Seismological Network Cyprus DOI
CR Croatian Seismograph Network
  • University of Zagreb
CS Caucusus Array
  • Lamont Doherty Earth Observatory (LDEO), Columbia University
Russian Federation
CT California Transect Network
  • UC Santa Cruz
United States of America
CU Caribbean USGS Network Caribbean region DOI
CV Vigil Network, Cape Verde Islands Portugal
CW Servicio Sismologico Nacional de Cuba Cuba DOI
CX Plate Boundary Observatory Network Northern Chile
  • GFZ / IGPP / CSN / UdC / UCNA
Multiple Countries DOI
CY Cayman Islands
  • Cayman Islands Government
Cayman Islands
CZ Czech Regional Seismic Network Czechia DOI
  • 36 networks

Network Data API

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