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
4A (2008-2008) Investigating mechanisms of subglacial hydrology and basal shear stress beneath Whillans Ice Stream using passive seismology
  • UC Santa Cruz
United States of America DOI
4A (2009-2009) Emersito Seismic Network for Site Effect Studies in L'Aquila town (Central Italy) Italy DOI
4A (2010-2011) Darfield RAMP Aftershock Deployment, NZ
  • University of Wisconsin, Madison
United States of America DOI
4A (2012-2014) Pollino Seismic Experiment
  • GEOFON Program (GFZ-Potsdam, Germany)
Germany DOI
4A (2016-2019) SP Crater Network United States of America DOI
  • GEOFON Program (GFZ-Potsdam, Germany)
4B (2010-2015) Raft River EGS United States of America
4B (2016-2018) ANR-Remake Quito basin France DOI
4B (2019-2020) iTarg3T
  • Institute Earth Sciences "Jaume Almera" CSIC (ICTJA Spain)
Spain DOI
4C (2005-2010) Semipalatinsk Test Site Network
  • Inst. of Geophysical Research National Nuclear Center of Republic of Kazakhstan
4C (2011-2014) NERA-JRA1-A
  • Observatoire de Grenoble, Grenoble
4C (2015-2015) GeoGirls outreach experiment at Mount St. Helens
  • USGS Vancouver WA
United States of America
4C (2017-2019) TIPTIMON AFGHANISTAN 2 Germany DOI
4D (1985-2009) Seismological Experiments on Swiss Glaciers Switzerland DOI
4D (2010-2011) Parkfield Experiment to Record Microseismicity and Tremor Germany
4D (2012-2025) Swiss temporary deployments on glaciers Switzerland DOI
4E (2010-2011) MARS/Testing of cabled broadband OBS using MARS test facility
  • UC San Diego
United States of America
4E (2015-2016) Field Research Station broadband seismometer network
  • University of Bristol (UK)
United Kingdom DOI
4E (2018-2018) Raton 3C Nodes 2018
  • University of New Mexico (UNM)
United States of America DOI
4E (2019-2019) Valles 3C Node Transect
  • University of New Mexico (UNM)
4F (2007-2011) Askja 2007
  • University of Cambridge (UK) Earth Sciences
United Kingdom
4F (2013-2014) Temp-CNCH
  • Escuela Politecnica Nacional-Instituto Geofisico
Chile DOI
4F (2015-2021) North Texas Earthquake Study: Venus (Johnson County), TX
  • Southern Methodist University (SMU TX)
United States of America DOI
4G (2007-2025) EMSO-MOMAR France
4H (2011-2012) Nabro Urgency Array United Kingdom DOI
4H (2014-2017) Oklahoma State University Seismic Network
  • Oklahoma State University (OSU USA)
United States of America DOI
4H (2018-2021) Mulhouse Seismo Citizen
  • University of Strasbourg (Unistra)
4J (2014-2016) AQ3 SW Queensland and NW New South Wales
  • Australian National University (ANU, Australia)
Australia DOI
4J (2017-2024) Bioko Seismic Network
  • Drexel University
United States of America DOI
4K (2014-2016) UAE transects across the Semail Ophiolite United Arab Emirates DOI
4K (2017-2022) Ruegen Cliff Observatory Germany DOI
4L (2017-2019) Canoe Reach Geothermal Field
  • University of Calgary (U of C Canada)
4S (2018-2018) STAK
  • University of East Anglia (UEA)
United Kingdom DOI
4T (2018-2019) Texas Seismological Network United States of America DOI
  • 34 networks

Network Data API

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