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
OU	Ulaanbaatar seismic network	Institute of Astronomy and Geophysics of Mongolian Academy of Science (IAG), Mongolia	—	DOI
UK	UK Schools Seismic Network	University of Leicester (SEIS UK), United Kingdom		—
UT	Ukrainian National Seismic Network	Subbotin Institute of Geophysics of National Academy of Sciences of Ukraine (IGPH), Ukraine	—	DOI
BN	UK-Net, Blacknest Array	Blacknest (AWE), United Kingdom		DOI
UR	UKArray	British Geological Survey, United Kingdom	United Kingdom	DOI
UH	UH Infrasound Network	University of Hawaii (UH), United States of America		—
UN	Uganda National Seismological Network	Directorate of Geological Survey and Mines, Uganda (DGSM), Uganda	Uganda	DOI
HY	UEH Seismic Network	Université d'Etat d'Haiti (UEH), Haiti	—	DOI
SB	UC Santa Barbara Engineering Seismology Network	UC Santa Barbara, United States of America		DOI
FA	UCLA Seismic Network	UC Los Angeles (UCLA), United States of America		—
GC	UCLA Geonet Network	UC Los Angeles (UCLA), United States of America	United States of America	—
TK	Turkish National Strong Motion Network	Disaster and Emergency Management Authority (AFAD), Türkiye		DOI
TU	Turkish National Seismic Network	Disaster and Emergency Management Authority (AFAD), Türkiye		DOI
ST	Trentino Seismic Network	Geological Survey-Provincia Autonoma di Trento, Italy		DOI
TD	TransAlta Monitoring Network	TransAlta Corporation, Canada		—
T	Tonga Seismic Network	Tonga Geological Services (TGS), Tonga	—	—
LT	Timor Leste Seismic Network	Other		DOI
TH	Thüringer Seismologisches Netz	Institut fuer Geowissenschaften, Friedrich-Schiller-Universitaet Jena, Germany		DOI
WU	The Southern Ontario Seismic Network	Nanometrics Seismological Instruments, Canada		—
I0	The Scientific Induced Seismicity Monitoring Network	Alberta Geological Survey (AGS), Canada	—	DOI
O1	The NWMO Seismic Network	Nanometrics Seismological Instruments, Canada	—	—
TM	Thai Seismic Monitoring Network	Earthquake Observation Division (EOD), Thailand Thai meteorological department (TMD), Thailand		—
TX	Texas Seismological Network	Bureau of Economic Geology, The University of Texas at Austin (BEG UTEXAS), United States of America		DOI
TS	TERRAscope (Southern California Seismic Network)	California Institute of Technology (CIT), United States of America		—
TO	Tectonic Observatory - MASE, VEOX , PeruSE, CCSE	California Institute of Technology (CIT), United States of America		DOI
T9	TAMU Seismic Network	Texas A&M University, United States of America	—	DOI
TF	Tajikistan National Seismic Network	Insitute of Geology, Earthquake Engineering and Seismology of the NAST (IGEES NAST), Tajikistan	—	DOI
TJ	Tajikistan National Seismic Network	Geophysical Survey of the National Academy of sciences of Tajikistan (GS NAST), Tajikistan		DOI
VT	Taiwan Volcano Observatory	Taiwan Volcano Observatory (TVO), Taiwan		DOI
TQ	Taiwan multi-parametric environmental seismic monitoring network	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam), Germany	—	DOI
SY	Synthetic Seismograms	IRIS DMC, United States of America		—
SX	SXNET Saxon Seismic Network	University of Leipzig, Germany		DOI
CH	Switzerland Seismological Network	Swiss Seismological Service, Switzerland		DOI
HF	Swedish Seismic Array Network	Swedish Defence Research Agency (FOI), Sweden		—
UP	Swedish National Seismic Network	Uppsala University, Sweden		DOI
S9	Sudetic Seismological Network	Polish Geological Institute - National Research Institute (PGI), Poland	—	DOI
ES	Spanish Digital Seismic Network	Instituto Geografico Nacional, Spain, Spain		DOI
IG	Southern Spain Broadband Seismic Network	Instituto Andaluz de Geofisica, Granada University, Spain	Spain	—
SN	Southern Great Basin Network	University of Nevada Reno (UNR), United States of America		DOI
CI	Southern California Seismic Network	California Institute of Technology and United States Geological Survey Pasadena (Caltech and USGS), United States of America		DOI
A1	Southern African Co-located Academic Network	Pangaea Geophyics and Geodesy Working Group, South Africa	South Africa	—
SE	Southeastern Appalachian Cooperative Seismic Network	None,		—
CO	South Carolina Seismic Network	University of South Carolina, United States of America		DOI
SP	South Carolina Earth Physics Project	University of South Carolina, United States of America		DOI
SQ	South African National Seismograph Network	Council for Geoscience, Geological Survey (CG), South Africa	—	DOI
SW	Solomon Islands Seismology & Volcanology Network	Solomon Islands Geoscience Observatory (Seismology Unit), Solomon Islands	Solomon Islands	—
S5	Slovenian Karst NFO Network	Research Centre of the Slovenian Academy of Sciences and Arts (ZRC SAZU), Slovenia Slovenian Environment Agency (ARSO), Slovenia	—	DOI
SK	Slovak National Seismic Network	Geophysical Institute, Slovak Academy of Sciences, Slovakia		DOI
D6	Sistema de Detección Microsismica Mexicana	SisDeMi (SisDeMi), Mexico	—	DOI
D5	Sistema de Detección Microsismica de la Ciudad de México	SisDeMi (SisDeMi), Mexico	—	DOI

Network Data API

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