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, Ghana
DOI
GI Red Sismologica Nacional
DOI
GL Guadeloupe Seismic and Volcano Observatory Network
DOI
GM U.S. Geological Survey Networks
DOI
GN Garni Dense Array
  • USGS Menlo Park, United States of America
Armenia
GO National Seismic Network of Georgia
  • Ilia State University- Seismic Monitoring Centre of Georgia, Georgia
DOI
GP GPS Data Products for Solid Earth Science United States of America
GQ German Strong Earthquake Network
  • Federal Institute for Geosciences and Natural Resources (BGR), Germany
GR German Regional Seismic Network
  • 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
GV Mobile RSNI DOI
GX GFZ Affiliated Stations
GY Geyokcha Array, Turkmenistan
DOI
GZ ANKARA-NET Türkiye
H2 Hawaii 2 Observatory
HA Hellenic Seismological Network, University of Athens, Seismological Laboratory
  • University of Athens, Greece
DOI
HC Seismological Network of Crete
  • Technological Educational Institute of Crete, Greece
DOI
HE Finnish National Seismic Network
  • University of Helsinki, Finland
DOI
HF Swedish Seismic Array Network
  • Swedish Defence Research Agency (FOI), Sweden
HG High-Gain Long-Period Network
DOI
HI ITSAK Strong Motion Network
  • Institute of Engineering Seimology Earthquake Engineering (ITSAK), Greece
DOI
HK Hong Kong Seismograph Network
  • Hong Kong Observatory, China
HL National Observatory of Athens Seismic Network
  • National Observatory of Athens, Institute of Geodynamics, Athens, Greece
DOI
HM GeoRisk Seismic Network
DOI
HN Hungarian National Infrasound Network
  • Institute of Earth Physics and Space Science, Hungary
DOI
HP University of Patras, Seismological Laboratory
  • University of Patras, Greece
DOI
HR Croatian Research Seismic Network
  • University of Zagreb, Croatia
HS Hessischer Erdbebendienst Germany DOI
HT Aristotle University of Thessaloniki Seismological Network
  • Aristotle University of Thessaloniki, Greece
DOI
HU Hungarian National Seismological Network
  • Institute of Earth Physics and Space Science, Hungary
DOI
HV Hawaiian Volcano Observatory Network
DOI
HW Hanford Washington Seismic Network
HY UEH Seismic Network DOI
HZ Hasting Micro-Seismic Consulting DOI
I0 The Scientific Induced Seismicity Monitoring Network
  • Alberta Geological Survey (AGS), Canada
I1 Iranian Strong Motion Network Iran DOI
I2 Iranian National Broadband Seismic Network Iran
IA InaTEWS Indonesia Tsunami Early Warning System
  • Meteorological, Climatological and Geophysical Agency (BMKG), Indonesia
IB IberArray
  • Institute Earth Sciences "Jaume Almera" (ICTJA), Spain
DOI
IC New China Digital Seismograph Network
DOI
ID Project IDA VLP Seismometer Network - UCSD/SIO/IGPP
  • Scripps Institution of Oceanography (SIO), United States of America
DOI
IE INL Seismic Monitoring Program
DOI
IF IFMS Seismic Network
DOI
IG Southern Spain Broadband Seismic Network Spain
IH Red Sismica Dominicana del INDRHI Dominican Republic
II Global Seismograph Network - IRIS/IDA
  • Scripps Institution of Oceanography (SIO), United States of America
DOI
IJ Istanbul University Seismic Network
DOI
IK IISERK Seismic Network
  • Indian Institute of Science Education and Research Kolkata (IISER), India
India DOI

Network Data API

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