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
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 (HED)
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
  • 17 networks

Network Data API

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