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
UE	Seismological Network of United Arab Emirates	National Center of Meteorology and Seismology, United Arab Emirates	United Arab Emirates	—
OS	Seismological Observatory, Brasilia Brazil	University of Brasilia, Brazil	Brazil	—
S	Seismology at School Program, ETH Zurich	Eidgendssisch Technische Hochschule - Swiss Seismological Service (ETH), Switzerland		DOI
S8	SensorEra Seismic Network	Sensorera (SensorEra Inc), United States of America	—	DOI
SJ	Serbian Seismological Network	Seismological Survey of Serbia, Serbia		DOI
SV	Servicio Nacional de Estudios Territoriales (SNET), El Salvador	Servicio Nacional de Estudios Territoriales (SNET), El Salvador		—
G3	Servicio Sismologico IN3, UMG	Servicio Sismologico IN3 (SSIN3), Guatemala	Guatemala, Centro America	DOI
CW	Servicio Sismologico Nacional de Cuba	National Centre for Seismological Research (CENAIS), Cuba		DOI
EW	ShakeAlert - Earthquake Early Warning System	U.S. Geological Survey, United States of America	California	—
SH	Shumagin-East Aleutian Network	Lamont Doherty Earth Observatory, Columbia University (LDEO), United States of America		DOI
MS	Singapore Seismological Network	Meteorological Service of Singapore, Singapore		—
SS	SINGLE STATION	Incorporated Research Institutions For Seismology (IRIS), United States of America		DOI
OG	Sismalp	Observatoire de Grenoble, Grenoble, France	France	—
SK	Slovak National Seismic Network	Geophysical Institute, Slovak Academy of Sciences, Slovakia		DOI
S5	Slovenian Karst NFO Network	Research Centre of the Slovenian Academy of Sciences and Arts (ZRC SAZU), Slovenia Slovenian Environment Agency (ARSO), Slovenia	—	DOI
SW	Solomon Islands Seismology & Volcanology Network	Solomon Islands Geoscience Observatory (Seismology Unit), Solomon Islands	Solomon Islands	—
SQ	South African National Seismograph Network	Council for Geoscience, Geological Survey (CG), South Africa	—	DOI
SP	South Carolina Earth Physics Project	University of South Carolina, United States of America		DOI
CO	South Carolina Seismic Network	University of South Carolina, United States of America		DOI
SE	Southeastern Appalachian Cooperative Seismic Network	None,		—
A1	Southern African Co-located Academic Network	Pangaea Geophyics and Geodesy Working Group, South Africa	South Africa	—
CI	Southern California Seismic Network	California Institute of Technology and United States Geological Survey Pasadena (Caltech and USGS), United States of America		DOI
SN	Southern Great Basin Network	University of Nevada Reno (UNR), United States of America		DOI
IG	Southern Spain Broadband Seismic Network	Instituto Andaluz de Geofisica, Granada University, Spain	Spain	—
ES	Spanish Digital Seismic Network	Instituto Geografico Nacional, Spain, Spain		DOI
OZ	SRC eqServer	Seismology Research Centre (SRC), Australia		—
S9	Sudetic Seismological Network	Polish Geological Institute - National Research Institute (PGI), Poland	—	DOI
UP	Swedish National Seismic Network	Uppsala University, Sweden		DOI
HF	Swedish Seismic Array Network	Swedish Defence Research Agency (FOI), Sweden		—
CH	Switzerland Seismological Network	Swiss Seismological Service, Switzerland		DOI
SX	SXNET Saxon Seismic Network	University of Leipzig, Germany		DOI
SY	Synthetic Seismograms	IRIS DMC, United States of America		—
TQ	Taiwan multi-parametric environmental seismic monitoring network	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam), Germany	—	DOI
VT	Taiwan Volcano Observatory	Taiwan Volcano Observatory (TVO), Taiwan		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
T9	TAMU Seismic Network	Texas A&M University, United States of America	—	DOI
TO	Tectonic Observatory - MASE, VEOX , PeruSE, CCSE	California Institute of Technology (CIT), United States of America		DOI
TS	TERRAscope (Southern California Seismic Network)	California Institute of Technology (CIT), United States of America		—
TX	Texas Seismological Network	Bureau of Economic Geology, The University of Texas at Austin (BEG UTEXAS), United States of America		DOI
TM	Thai Seismic Monitoring Network	Earthquake Observation Division (EOD), Thailand Thai meteorological department (TMD), Thailand		—
O1	The NWMO Seismic Network	Nanometrics Seismological Instruments, Canada	—	—
I0	The Scientific Induced Seismicity Monitoring Network	Alberta Geological Survey (AGS), Canada	—	—
WU	The Southern Ontario Seismic Network	Nanometrics Seismological Instruments, Canada		—
TH	Thüringer Seismologisches Netz	Institut fuer Geowissenschaften, Friedrich-Schiller-Universitaet Jena, Germany		DOI
LT	Timor Leste Seismic Network	Other		DOI
T	Tonga Seismic Network	Tonga Geological Services (TGS), Tonga	—	—
TD	TransAlta Monitoring Network	TransAlta Corporation, Canada		—
ST	Trentino Seismic Network	Geological Survey-Provincia Autonoma di Trento, Italy		DOI
TU	Turkish National Seismic Network	Disaster and Emergency Management Authority (AFAD), Türkiye		DOI

Network Data API

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