International Federation of Digital Seismograph Networks

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
GH Ghana Digital Seismic Network
  • Ghana Geological Survey
DOI
GD Global Positioning System (GPS) Displacement Measurements
  • None
II Global Seismograph Network - IRIS/IDA
  • Scripps Institution of Oceanography (SIO)
DOI
IU Global Seismograph Network - IRIS/USGS
DOI
GT Global Telemetered Seismograph Network (USAF/USGS)
DOI
GP GPS Data Products for Solid Earth Science
  • California Institute of Technology (Caltech)
United States of America
GB Great Britain Seismograph Network
GG Greenland Ice Sheet Monitoring Network
  • IRIS HQ (DC)
GL Guadeloupe Seismic and Volcano Observatory Network
DOI
AY Haitian Seismic Network
  • Bureau of Mines and Energy (Haiti)
HW Hanford Washington Seismic Network
H2 Hawaii 2 Observatory
HV Hawaiian Volcano Observatory Network
DOI
HA Hellenic Seismological Network, University of Athens, Seismological Laboratory
  • University of Athens
DOI
HS Hessischer Erdbebendienst Germany DOI
VD High Agri Valley geophysical Observatory
DOI
HG High-Gain Long-Period Network
DOI
HK Hong Kong Seismograph Network
  • Hong Kong Observatory
HN Hungarian National Infrasound Network
  • Institute of Earth Physics and Space Science
DOI
HU Hungarian National Seismological Network
  • Institute of Earth Physics and Space Science
DOI
IB IberArray
  • Institute Earth Sciences "Jaume Almera" CSIC (ICTJA Spain)
DOI
VI Icelandic National Digital Seismograph Network
  • Icelandic Meteorological Office
SM Icelandic Strong Motion Network
  • University of Iceland
Iceland
IF IFMS Seismic Network
DOI
IK IISERK Seismic Network
  • Indian Institute of Science Education and Research Kolkata (IISER)
India DOI
IA InaTEWS Indonesia Tsunami Early Warning System
  • Meteorological, Climatological and Geophysical Agency (BMKG Indonesia)
PU INGEMMET Peru
TV INGV experiments network
IE INL Seismic Monitoring Program
DOI
IQ Inquique Local Network
  • University of Kiel
DOI
IP Instituto Superior Tecnico Broadband Seismic Network
IW Intermountain West Seismic Network
DOI
SG International Geodynamics and Earth Tide Service
  • Multiple Operators
DOI
IM International Miscellaneous Stations
  • None
IO International OGS Network
DOI
IR International Registry
  • International Seismological Centre (ISC, UK)
United Kingdom
D1 IPE_EDU
  • Institute of Physics of the Earth Masaryk University (Czech)
DOI
T1 IPE_ETE
  • Institute of Physics of the Earth Masaryk University (Czech)
DOI
IL Iranian Long Period Array
  • Institute of Geophysics (University of Tehran, Iranian Seis Center-Iran)
I2 Iranian National Broadband Seismic Network Iran
I1 Iranian Strong Motion Network Iran DOI
MP Iraqi Seismic Observatory
  • Seismological Laboratory of University of Basrah (SLUB)
DOI
EA IRIS Education and Research Network
  • IRIS HQ (DC)
United States of America
EI Irish National Seismic Network
DOI
IX Irpinia Seismic Network
IS Israel National Seismic Network
IJ Istanbul University Seismic Network
DOI
B2 Itaipu Binacional Brazil DOI
IZ Italian Experimental Seismic Network
  • Other
IV Italian National Seismic Network
DOI

Network Data API

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