International Federation of Digital Seismograph Networks

Network Codes

The following network codes are assigned by the FDSN archive (IRIS DMC) to provide uniqueness to seismological data streams.

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Network Code Network Name Operated By Deployment DOI
G GEOSCOPE
DOI
G1 GEOTEM
G3 Servicio Sismologico IN3, UMG DOI
GA GARNET Seismic Network
  • Geological Survey of Japan (GSJ AIST)
GB Great Britain Seismograph Network
GC UCLA Geonet Network
  • UC Los Angeles (UCLA)
GD Global Positioning System (GPS) Displacement Measurements
  • None
GE GEOFON
  • GEOFON Program (GFZ-Potsdam, Germany)
DOI
GF Geophysical borehole Observatory at the North Anatolian Fault
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

Network Data API

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