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
GR German Regional Seismic Network
  • BGR Federal Institute for Geosciences and Natural Resources (BGR, Germany)
DOI
GQ German Strong Earthquake Network
  • BGR Federal Institute for Geosciences and Natural Resources (BGR, Germany)
GY Geyokcha Array, Turkmenistan
DOI
GX GFZ Affiliated Stations
GH Ghana Digital Seismic Network
  • Ghana Geological Survey
DOI
GD Global Positioning System (GPS) Displacement Measurements
  • None
IU Global Seismograph Network (GSN - IRIS/USGS)
DOI
II Global Seismograph Network - IRIS/IDA
  • Scripps Institution of Oceanography (SIO)
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)
DOI
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
DOI
SM Icelandic Strong Motion Network
  • University of Iceland
Iceland
WW Idaho Seismic Network DOI
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
LX Instituto Dom Luiz (IDL) - Faculdade de Ciencias Universidade de Lisboa
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

Network Data API

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