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
CV	Vigil Network, Cape Verde Islands	Instituto Superior Tecnico, Universidade Tecnica de Lisboa (IST), Portugal		—
C5	University of Cambridge seismology	University of Cambridge Earth Sciences, United Kingdom	United Kingdom	DOI
CH	Switzerland Seismological Network	Swiss Seismological Service, Switzerland		DOI
CI	Southern California Seismic Network	California Institute of Technology and United States Geological Survey Pasadena (Caltech and USGS), United States of America		DOI
CO	South Carolina Seismic Network	University of South Carolina, United States of America		DOI
CW	Servicio Sismologico Nacional de Cuba	National Centre for Seismological Research (CENAIS), Cuba		DOI
CM	Red Sismológica Nacional de Colombia	Servicio Geológico Colombiano (SGC), Colombia		DOI
C1	Red Sismologica Nacional	Universidad de Chile (UCH), Chile		DOI
C7	Red Sísmica Canaria	Instituto Volcanológico de Canarias (INVOLCAN), Spain		DOI
CF	Red Acelerografica Nacional de la Comision Federal de Electricidad (CFE)	Comision Federal de Electricidad (CFE), Mexico	Mexico	—
CX	Plate Boundary Observatory Network Northern Chile	GEOFON Program (GFZ-Potsdam, Germany), Germany		DOI
CZ	Czech Regional Seismic Network	Charles University in Prague, Czechia Institute of Geonics (IGN), Czechia Institute of Geophysics, Academy of Sciences of the Czech Republic, Czechia Institute of Physics of the Earth Masaryk University, Czechia Institute of Rock Structure and Mechanics (IRSM AS CR), Czechia		DOI
C9	Czech Microbarograph Network	Institute of Atmospheric Physics of the Czech Academy of Sciences	Czechia	DOI
CQ	Cyprus Broadband Seismological Network	Geological Survey Department Cyprus, Cyprus		DOI
CR	Croatian Seismograph Network	University of Zagreb, Croatia		DOI
CG	Coso Microearthquake Network	Geothermal Program Office/US Navy, United States of America	United States of America	—
CL	Corinth Riff Laboratory	Institut de Sciences de l'Univers (CNRS-INSU), France		DOI
CJ	Community Seismic Network	California Institute of Technology (CIT), United States of America		DOI
C0	Colorado Geological Survey Seismic Network	Colorado Geological Survey (CGS), United States of America		DOI
CP	CIVISA Seismo-Volcanic Monitoring Network-Azores Islands	Centro de Informação e Vigilância Sismovulcânica dos Açores (CIVISA), Portugal University of Azores, Portugal		DOI
CB	China National Seismic Network, Data Management Centre of China National Seismic Network at Institute of Geophysics, CEA	Institute of Geophysics China Earthquake Administration (IGPCEA), China		DOI
CD	China Digital Seismograph Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
C	Chilean National Seismic Network	Universidad de Chile, Dept de Geofisica (DGF), Chile		—
C4	CERN Seismic Network	European Organization for Nuclear Research (CERN), Multiple Countries		DOI
C3	Central and East European Earthquake Research Network	Central and East European Earthquake Research Network (CE3RN), Austria		DOI
CY	Cayman Islands	Cayman Islands Government, Cayman Islands		—
CS	Caucusus Array	Lamont Doherty Earth Observatory, Columbia University (LDEO), United States of America		—
CA	Catalan Seismic Network	Institut Cartogràfic i Geològic de Catalunya (ICGC), Spain		DOI
CC	Cascade Chain Volcano Monitoring	Cascades Volcano Observatory (CVO), United States of America		DOI
CU	Caribbean Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
CK	CAREMON Central Asian Cross-border network	GEOFON Program (GFZ-Potsdam, Germany), Germany		—
C8	Canadian Seismic Research Network	Geological Survey of Canada, Canada		DOI
CN	Canadian National Seismograph Network	Natural Resources Canada (NRCAN), Canada		DOI
C6	Canadian National Riometer Network	Natural Resources Canada (NRCAN), Canada	—	—
C2	Canadian National Geomagnetic Network	Natural Resources Canada, Lands and Minerals Sector, Hazards, Adaptation, and Operations Branch, Canadian Hazard Information Service, Canada		DOI
CT	California Transect Network	UC Santa Cruz, United States of America		—
CE	California Strong Motion Instrumentation Program	California Geological Survey (CGS), United States of America		DOI

Network Data API

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