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
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" CSIC (ICTJA Spain)
Spain DOI
IC New China Digital Seismograph Network China DOI
ID Project IDA VLP Seismometer Network - UCSD/SIO/IGPP
  • Scripps Institution of Oceanography (SIO)
Global DOI
IE INL Seismic Monitoring Program United States of America 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)
Global DOI
IJ Istanbul University Seismic Network Turkey DOI
IK IISERK Seismic Network
  • Indian Institute of Science Education and Research Kolkata (IISER)
India DOI
IL Iranian Long Period Array
  • Institute of Geophysics (University of Tehran, Iranian Seis Center-Iran)
IM International Miscellaneous Stations
  • None
IN National Seismic Network of India India
IO International OGS Network Global DOI
IP Instituto Superior Tecnico Broadband Seismic Network Portugal
IQ Inquique Local Network
  • University of Kiel
Chile DOI
IR International Registry
  • International Seismological Centre (ISC, UK)
United Kingdom
IS Israel National Seismic Network Israel
IT Italian Strong Motion Network Italy DOI
IU Global Seismograph Network - IRIS/USGS Global DOI
IV Italian National Seismic Network Italy DOI
IW Intermountain West Seismic Network United States of America DOI
IX Irpinia Seismic Network
IY Rete Sismica Unical
  • Universita Della Calabria, Italy
Italy DOI
IZ Italian Experimental Seismic Network
  • Other
  • 27 networks

Network Data API

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