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 (IST Universidade Tecnica de Lisboa, Portugal)		—
C5	University of Cambridge seismology	University of Cambridge (UK) Earth Sciences	United Kingdom	DOI
CH	Switzerland Seismological Network	Swiss Seismological Service		DOI
CI	Southern California Seismic Network	California Institute of Technology and United States Geological Survey Pasadena (Caltech and USGS)		DOI
CO	South Carolina Seismic Network	University of South Carolina		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)		DOI
C1	Red Sismologica Nacional	Universidad de Chile (UCH)		DOI
C7	Red Sísmica Canaria	Instituto Volcanológico de Canarias (INVOLCAN)		DOI
CF	Red Acelerografica Nacional de la Comision Federal de Electricidad (CFE)	Comision Federal de Electricidad (CFE)	Mexico	—
CX	Plate Boundary Observatory Network Northern Chile	GEOFON Program (GFZ-Potsdam, Germany)		DOI
CZ	Czech Regional Seismic Network	Charles University in Prague (Czech) Institute of Geonics (IGN) Institute of Geophysics, Academy of Sciences of the Czech Republic Institute of Physics of the Earth Masaryk University (Czech) Institute of Rock Structure and Mechanics (IRSM AS CR)		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		DOI
CR	Croatian Seismograph Network	University of Zagreb		DOI
CG	Coso Microearthquake Network	Geothermal Program Office/US Navy	United States of America	—
CL	Corinth Riff Laboratory	Institut de Sciences de l'Univers (INSU) (CNRS-INSU)		DOI
CJ	Community Seismic Network	California Institute of Technology (Caltech)		DOI
C0	Colorado Geological Survey Seismic Network	Colorado Geological Survey (CGS)		DOI
CP	CIVISA Seismo-Volcanic Monitoring Network-Azores Islands	CIVISA - Centro de Informação e Vigilância Sismovulcânica dos Açores (CIVISA) University of Azores		—
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)		DOI
CD	China Digital Seismograph Network	Albuquerque Seismological Laboratory/USGS (ASL)		DOI
C	Chilean National Seismic Network	Universidad de Chile, Dept de Geofisica (DGF UChile Chile)		—
C4	CERN Seismic Network	CERN (CERN)		DOI
C3	Central and East European Earthquake Research Network	Central and East European Earthquake Research Network (CE3RN)		DOI
CY	Cayman Islands	Cayman Islands Government		—
CS	Caucusus Array	Lamont Doherty Earth Observatory (LDEO), Columbia University		—
CA	Catalan Seismic Network	Institut Cartogràfic i Geològic de Catalunya (ICGC)		DOI
CC	Cascade Chain Volcano Monitoring	Cascades Volcano Observatory/USGS		DOI
CU	Caribbean Network	Albuquerque Seismological Laboratory/USGS (ASL)		DOI
CK	CAREMON Central Asian Cross-border network	GEOFON Program (GFZ-Potsdam, Germany)		—
C8	Canadian Seismic Research Network	Natural Resources Canada (NRCAN Canada)		—
CN	Canadian National Seismograph Network	Natural Resources Canada (NRCAN Canada)		DOI
C2	Canadian National Geomagnetic Network	Natural Resources Canada (NRCAN Canada)	Canada	—
CT	California Transect Network	UC Santa Cruz		—
CE	California Strong Motion Instrumentation Program	California Division of Mines and Geology (CDMG)		DOI

Network Data API

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