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
H2 Hawaii 2 Observatory
HA Hellenic Seismological Network, University of Athens, Seismological Laboratory
  • University of Athens, Greece
HC Seismological Network of Crete
  • Technological Educational Institute of Crete, Greece
HE Finnish National Seismic Network
  • University of Helsinki, Finland
HF Swedish Seismic Array Network
  • Swedish Defence Research Agency (FOI), Sweden
HG High-Gain Long-Period Network
HI ITSAK Strong Motion Network
  • Institute of Engineering Seimology Earthquake Engineering (ITSAK), Greece
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
HM GeoRisk Seismic Network
HN Hungarian National Infrasound Network
  • Institute of Earth Physics and Space Science, Hungary
HP University of Patras, Seismological Laboratory
  • University of Patras, Greece
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
HU Hungarian National Seismological Network
  • Institute of Earth Physics and Space Science, Hungary
HV Hawaiian Volcano Observatory Network
HW Hanford Washington Seismic Network
HY UEH Seismic Network DOI

Network Data API

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