International Federation of Digital Seismograph Networks
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System Upgrade 2026-07-02

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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
BI University of Dhaka Seismographic Network
—
BJ Baikal Regional Seismic Network of the Russian Federation — DOI
BK Berkeley Digital Seismograph Network
DOI
BL Brazilian Lithospheric Seismic Project
—
BM BRGM seismometer Network — —
BN UK-Net, Blacknest Array
DOI
BO Full Range Seismograph Network of Japan Japan DOI
BP Berkeley Parkfield High Resolution Seismic Network
DOI
BQ Bensberg Earthquake Network
DOI
BR University of Brasilia Seismic Network
—
BS National Seismic Network of Bulgaria
DOI
BT Red Sismológica de la Sabana de Bogotá Colombia —
BU Boise State University Seismic Network United States of America —
BV Bolivian Seismic Network
DOI
BW BayernNetz
DOI
BX Botswana Seismological Network
DOI
BY Seismic Network of Belarus Belarus DOI
BZ ZIMBABWE SEISMIC NETWORK Zimbabwe DOI
C Chilean National Seismic Network
—
C0 Colorado Geological Survey Seismic Network
DOI
C1 Red Sismologica Nacional
DOI
C2 Canadian National Geomagnetic Network
DOI
C3 Central and East European Earthquake Research Network
DOI
C4 CERN Seismic Network
DOI
C5 University of Cambridge seismology United Kingdom DOI
C6 Canadian National Riometer Network — —
C7 Red Sísmica Canaria
DOI
C8 Canadian Seismic Research Network
DOI
C9 Czech Microbarograph Network Czechia DOI
CA Catalan Seismic Network
DOI
CB China National Seismic Network, Data Management Centre of China National Seismic Network at Institute of Geophysics, CEA
DOI
CC Cascade Chain Volcano Monitoring
DOI
CD China Digital Seismograph Network
DOI
CE California Strong Motion Instrumentation Program
DOI
CF Red Acelerografica Nacional de la Comision Federal de Electricidad (CFE) Mexico —
CG Coso Microearthquake Network United States of America —
CH Switzerland Seismological Network
DOI
CI Southern California Seismic Network
DOI
CJ Community Seismic Network
DOI
CK CAREMON Central Asian Cross-border network
—
CL Corinth Riff Laboratory
DOI
CM Red Sismológica Nacional de Colombia
DOI
CN Canadian National Seismograph Network
DOI
CO South Carolina Seismic Network
DOI
CP CIVISA Seismo-Volcanic Monitoring Network-Azores Islands
DOI
CQ Cyprus Broadband Seismological Network
DOI
CR Croatian Seismograph Network
DOI
CS Caucusus Array
—
CT California Transect Network
—
CU Caribbean Network
DOI

Network Data API

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