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
HZ Hasting Micro-Seismic Consulting DOI

Network Data API

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