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
H2 Hawaii 2 Observatory United States of America
HA Hellenic Seismological Network, University of Athens, Seismological Laboratory
  • University of Athens
Greece DOI
HC Seismological Network of Crete
  • Technological Educational Institute of Crete
Crete and South Aegean, Greece DOI
HE Finnish National Seismic Network
  • University of Helsinki
Finland DOI
HF Swedish Seismic Array Network
  • Swedish Defence Research Agency (FOI)
HG High-Gain Long-Period Network Global DOI
HI ITSAK Strong Motion Network
  • (ITSAK) Institute of Engineering Seimology Earthquake Engineering
Greece DOI
HK Hong Kong Seismograph Network
  • Hong Kong Observatory
HL National Observatory of Athens Seismic Network
  • National Observatory of Athens, Institute of Geodynamics, Athens
Greece DOI
HM GeoRisk Seismic Network Hungary DOI
HN Hungarian National Infrasound Network
  • Geodetic and Geophysical Research Institute
Hungary DOI
HP University of Patras, Seismological Laboratory
  • University of Patras
Greece DOI
HS Hessischer Erdbebendienst (HED) Germany
HT Aristotle University of Thessaloniki Seismological Network
  • Aristotle University of Thessaloniki
Greece DOI
HU Hungarian National Seismological Network
  • Geodetic and Geophysical Research Institute
Hungary DOI
HV Hawaiian Volcano Observatory Network United States of America DOI
HW Hanford Washington Seismic Network United States of America
  • 17 networks

Network Data API

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