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 network operator operator country deployment country/region DOI
IC New China Digital Seismograph Network Albuquerque Seismological Laboratory (ASL)/USGS US: United States China DOI
IW Intermountain West Seismic Network Albuquerque Seismological Laboratory (ASL)/USGS US: United States United States DOI
IU Global Seismograph Network (GSN - IRIS/USGS) Albuquerque Seismological Laboratory (ASL)/USGS US: United States Global DOI
IS Israel National Seismic Network Geophysical Institute of Israel (GII Israel) IL: Israel Israel
IE INL Seismic Monitoring Program Idaho National Laboratory (INL) US: United States United States DOI
IN National Seismic Network of India India Meteorological Department IN: India India
IK IISERK Seismic Network Indian Institute of Science Education and Research Kolkata (IISER) IN: India India
IB IberArray Institute Earth Sciences "Jaume Almera" CSIC (ICTJA Spain) ES: Spain Spain DOI
IL Iranian Long Period Array Institute of Geophysics (University of Tehran, Iranian Seis Center-Iran) IR: Iran Iran
IG Southern Spain Broadband Seismic Network Instituto Andaluz de Geofisica, Granada University ES: Spain Spain
IH Red Sismica Dominicana del INDRHI Instituto Nacional de Recursos Hidraulicos DO: Dominican Republic Dominican Republic
IP Instituto Superior Tecnico Broadband Seismic Network Instituto Superior Tecnico (IST Universidade Tecnica de Lisboa, Portugal) PT: Portugal Portugal
I2 Iranian National Broadband Seismic Network Internationa Institute of Earthquake Engineering and Seismology JP: Japan Japan
IR International Registry International Seismological Centre (ISC, UK) GB: United Kingdom United Kingdom
IV Italian National Seismic Network Istituto Nazionale di Geofisica e Vulcanologia (INGV) IT: Italy Italy DOI
IO International OGS Network Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS) IT: Italy Global DOI
IJ Istanbul University Seismic Network Kandilli Observatory and Earthquake Research Institute, Bosphorus Univ. (KOERI) TR: Turkey Turkey DOI
IA InaTEWS Indonesia Tsunami Early Warning System Meteorological, Climatological and Geophysical Agency (BMKG Indonesia) ID: Indonesia Indonesia
IM International Miscellaneous Stations None : Global
IZ Italian Experimental Seismic Network Other
IT Italian Strong Motion Network Presidency of Counsil of Ministers - Civil Protection Department (PCM - DPC) IT: Italy Italy DOI
I1 Iranian Strong Motion Network Road, Housing & Urban Development Research Center (BHRC) IR: Iran Iran DOI
II IRIS/IDA Seismic Network Scripps Institution of Oceanography (SIO) US: United States Global DOI
ID Project IDA VLP Seismometer Network (UCSD/SIO/IGPP) Scripps Institution of Oceanography (SIO) US: United States Global DOI
IY Rete Sismica Unical Universita Della Calabria, Italy IT: Italy Italy DOI
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