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
IU Global Seismograph Network (GSN - IRIS/USGS)
II Global Seismograph Network - IRIS/IDA
  • Scripps Institution of Oceanography (SIO), United States of America
IB IberArray
  • Institute Earth Sciences "Jaume Almera" (ICTJA), Spain
IF IFMS Seismic Network
IK IISERK Seismic Network
  • Indian Institute of Science Education and Research Kolkata (IISER), India
India DOI
IA InaTEWS Indonesia Tsunami Early Warning System
  • Meteorological, Climatological and Geophysical Agency (BMKG), Indonesia
IE INL Seismic Monitoring Program
IQ Inquique Local Network
  • University of Kiel, Germany
IP Instituto Superior Tecnico Broadband Seismic Network
IW Intermountain West Seismic Network
IM International Miscellaneous Stations
  • Various Institutions, Multiple Countries
IO International OGS Network
IR International Registry
  • International Seismological Centre (ISC), United Kingdom
United Kingdom
IL Iranian Long Period Array
  • Institute of Geophysics, University of Tehran, Iranian Seis Center, Iran
I2 Iranian National Broadband Seismic Network Iran
I1 Iranian Strong Motion Network Iran DOI
IX Irpinia Seismic Network
IS Israel National Seismic Network
IJ Istanbul University Seismic Network
IZ Italian Experimental Seismic Network
  • Other
IV Italian National Seismic Network
IT Italian Strong Motion Network
IN National Seismic Network of India
IC New China Digital Seismograph Network
ID Project IDA VLP Seismometer Network - UCSD/SIO/IGPP
  • Scripps Institution of Oceanography (SIO), United States of America
IH Red Sismica Dominicana del INDRHI Dominican Republic
IY Rete Sismica Unical
  • Universita Della Calabria, Italy, Italy
IG Southern Spain Broadband Seismic Network Spain
I0 The Scientific Induced Seismicity Monitoring Network
  • Alberta Geological Survey (AGS), Canada

Network Data API

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