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
GG Greenland Ice Sheet Monitoring Network
  • IRIS HQ (DC)
GH Ghana Digital Seismic Network
  • Ghana Geological Survey
GI Red Sismologica Nacional
DOI
GL Guadeloupe Seismic and Volcano Observatory Network
GM U.S. Geological Survey Networks
  • U.S. Geological Survey
DOI
GN Garni Dense Array
  • USGS Menlo Park
GO National Seismic Network of Georgia
  • Ilia State University- Seismic Monitoring Centre of Georgia (Georgia)
GP GPS Data Products for Solid Earth Science
  • California Institute of Technology (Caltech)
GQ German Strong Earthquake Network
  • BGR Federal Institute for Geosciences and Natural Resources (BGR, Germany)
GR German Regional Seismic Network
  • BGR Federal Institute for Geosciences and Natural Resources (BGR, Germany)
DOI
GS US Geological Survey Networks
DOI
GT Global Telemetered Seismograph Network (USAF/USGS)
DOI
GU Regional Seismic Network of North Western Italy
DOI
GX GFZ Affiliated Stations
GY Geyokcha Array, Turkmenistan
  • UC San Diego
GZ ANKARA-NET
H2 Hawaii 2 Observatory
HA Hellenic Seismological Network, University of Athens, Seismological Laboratory
  • University of Athens
DOI
HC Seismological Network of Crete
  • Technological Educational Institute of Crete
DOI
HE Finnish National Seismic Network
  • University of Helsinki
DOI
HF Swedish Seismic Array Network
  • Swedish Defence Research Agency (FOI)
HG High-Gain Long-Period Network
DOI
HI ITSAK Strong Motion Network
  • (ITSAK) Institute of Engineering Seimology Earthquake Engineering
DOI
HK Hong Kong Seismograph Network
  • Hong Kong Observatory
HL National Observatory of Athens Seismic Network
  • National Observatory of Athens, Institute of Geodynamics, Athens
DOI
HM GeoRisk Seismic Network
DOI
HN Hungarian National Infrasound Network
  • Geodetic and Geophysical Research Institute
DOI
HP University of Patras, Seismological Laboratory
  • University of Patras
DOI
HS Hessischer Erdbebendienst
DOI
HT Aristotle University of Thessaloniki Seismological Network
  • Aristotle University of Thessaloniki
DOI
HU Hungarian National Seismological Network
  • Geodetic and Geophysical Research Institute
DOI
HV Hawaiian Volcano Observatory Network
DOI
HW Hanford Washington Seismic Network
I1 Iranian Strong Motion Network
DOI
I2 Iranian National Broadband Seismic Network
IA InaTEWS Indonesia Tsunami Early Warning System
  • Meteorological, Climatological and Geophysical Agency (BMKG Indonesia)
IB IberArray
  • Institute Earth Sciences "Jaume Almera" CSIC (ICTJA Spain)
DOI
IC New China Digital Seismograph Network
DOI
ID Project IDA VLP Seismometer Network - UCSD/SIO/IGPP
  • Scripps Institution of Oceanography (SIO)
DOI
IE INL Seismic Monitoring Program
DOI
IF IFMS Seismic Network
DOI
IG Southern Spain Broadband Seismic Network
IH Red Sismica Dominicana del INDRHI
II Global Seismograph Network - IRIS/IDA
  • Scripps Institution of Oceanography (SIO)
DOI
IJ Istanbul University Seismic Network
DOI
IK IISERK Seismic Network
  • Indian Institute of Science Education and Research Kolkata (IISER)
DOI
IL Iranian Long Period Array
  • Institute of Geophysics (University of Tehran, Iranian Seis Center-Iran)
IM International Miscellaneous Stations
  • None
IN National Seismic Network of India
IO International OGS Network DOI

Network Data API

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