International Federation of Digital Seismograph Networks
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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
TJ Tajikistan National Seismic Network
  • Geophysical Survey of the National Academy of sciences of Tajikistan (GS NAST)
DOI
T9 TAMU Seismic Network
  • Texas A&M University
 — DOI
TO Tectonic Observatory - MASE, VEOX , PeruSE, CCSE
  • California Institute of Technology (Caltech)
DOI
TS TERRAscope (Southern California Seismic Network)
  • California Institute of Technology (Caltech)
—
TX Texas Seismological Network
DOI
TM Thai Seismic Monitoring Network
—
WU The Southern Ontario Seismic Network
—
TH Thüringer Seismologisches Netz
  • Institut fuer Geowissenschaften, Friedrich-Schiller-Universitaet Jena
DOI
LT Timor Leste Seismic Network
  • Other
DOI
TD TransAlta Monitoring Network
  • TransAlta Corporation
—
ST Trentino Seismic Network
DOI
TU Turkish National Seismic Network
DOI
TK Turkish National Strong Motion Network
DOI
GC UCLA Geonet Network
  • UC Los Angeles (UCLA)
 United States of America —
FA UCLA Seismic Network
  • UC Los Angeles (UCLA)
—
SB UC Santa Barbara Engineering Seismology Network
  • UC Santa Barbara
DOI
HY UEH Seismic Network — DOI
UN Uganda National Seismological Network
  • Directorate of Geological Survey and Mines, Uganda (DGSM)
 Uganda DOI
UH UH Infrasound Network
—
UR UKArray United Kingdom DOI
BN UK-Net, Blacknest Array
  • Blacknest (AWE UK)
—
UK UK Schools Seismic Network
  • University of Leicester (SEIS UK)
—
BA UniBAS
  • Universita della Basilicata
—
US United States National Seismic Network
DOI
NP United States National Strong-Motion Network
  • U.S. Geological Survey
DOI
KE Univerity of Nairobi, Kenya
DOI
RP Universidad de Panama Seismic Network Panama —
NS University of Bergen Seismic Network
DOI
BR University of Brasilia Seismic Network
—
C5 University of Cambridge seismology
  • University of Cambridge (UK) Earth Sciences
 United Kingdom DOI
BI University of Dhaka Seismographic Network
—
UM University of Montana Seismic Network
  • University Of Montana
DOI
HP University of Patras, Seismological Laboratory
  • University of Patras
DOI
UU University of Utah Regional Seismic Network
DOI
UB University of Zimbabwe 1 Zimbabwe DOI
UG Unocal Geothermal Northern California Network
  • Unocal Corporation
 United States of America —
RG Upper-Rhine Graben Geothermal Network
DOI
TA USArray Transportable Array
DOI
RE US Bureau of Reclamation Seismic Networks
  • U.S. State Department
—
GM U.S. Geological Survey Networks
  • U.S. Geological Survey
DOI
GS US Geological Survey Networks
DOI
NT USGS Geomagnetism Program United States of America DOI
UL USGS Low Frequency Geophysical Data Network
  • USGS Menlo Park
—
NC USGS Northern California Seismic Network
  • USGS Menlo Park
DOI
MI USGS Northern Mariana Islands Network
  • USGS Alaska Anchorage
DOI
EP UTEP Seismic Network
  • University of Texas at El Paso (UTEP)
—
UZ Uzbekistan Digital Seismic Network
DOI
VA VAL D'AGRI NETWORK
DOI
VB Valencian Broadband Seismic Network
DOI
VL Vale SA Network
  • Universidade de Sao Paulo, USP
 Brazil DOI

Network Data API

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