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
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)
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
DOI
4A (2020-2020) Imaging Yellowstone's shallow Magma Reservoir
DOI
4A (2021-2021) Kamara Mine Network
  • Aristotle University of Thessaloniki, Greece
DOI
4A (2022-2024) Mapping the structure of the Duluth Complex & Animikie Basin
DOI
4B (2008-2009) TASK FORCE KIRGISTAN
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
4B (2010-2015) Raft River EGS
4B (2016-2018) ANR-Remake Quito basin
DOI
4B (2019-2020) iTarg3T
  • Institute Earth Sciences "Jaume Almera" (ICTJA), Spain
DOI
4B (2021-2021) El Paso Iglesias
  • University of Texas at El Paso (UTEP), United States of America
DOI
4B (2022-2022) Seismometer to Investigate Ice and Ocean Structure (SIIOS) Field Experiment: Hiawatha Crater, Greenland
  • University of Arizona, United States of America
  • University of Maryland (UMD), United States of America
DOI
4B (2023-2025) Seismic Network Around Kangaroo Eyre Yorke DOI
4C (2005-2010) Semipalatinsk Test Site Network
  • Inst. of Geophysical Research National Nuclear Center of Republic of Kazakhstan, Kazakhstan
Kazakhstan
4C (2011-2014) NERA-JRA1-A
  • Observatoire de Grenoble, Grenoble, France
4C (2015-2015) GeoGirls outreach experiment at Mount St. Helens
  • USGS Vancouver WA, United States of America
4C (2016-2016) Summer of Applied Geophysical Experience Active Seismic 2016
  • IRIS PASSCAL Instrument Center @ New Mexico Tech, United States of America
DOI
4C (2017-2019) TIPTIMON AFGHANISTAN 2
DOI
4C (2020-2024) Inter-Wind
DOI
4D (1985-2009) Seismological Experiments on Swiss Glaciers Switzerland DOI
4D (2010-2011) Parkfield Experiment to Record Microseismicity and Tremor
4D (2012-2025) Swiss temporary deployments on glaciers Switzerland DOI
4E (2010-2011) MARS/Testing of cabled broadband OBS using MARS test facility
DOI
4E (2012-2013) G9
4E (2015-2016) Field Research Station broadband seismometer network
  • University of Bristol, 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), United States of America
DOI
4E (2020-2021) Nodal seismic experiment at the Berkeley section of the Hayward fault DOI
4E (2022-2023) Antarctica Ice Rift Experiment
  • University of Maryland (UMD), United States of America
DOI
4F (2007-2011) Askja 2007
DOI
4F (2013-2014) Temp-CNCH
  • Escuela Politecnica Nacional-Instituto Geofisico, Chile
DOI
4F (2015-2025) North Texas Earthquake Study: Venus (Johnson County), TX
  • Southern Methodist University (SMU), United States of America
DOI
4G (2007-2025) EMSO-MOMAR
4H (2009-2010) EAL1
DOI
4H (2011-2012) Nabro Urgency Array
DOI
4H (2014-2017) Oklahoma State University Seismic Network
  • Oklahoma State University (OSU), United States of America
DOI
4H (2018-2021) Mulhouse Seismo Citizen
4H (2022-2022) Embayment Seismic Excitation Experiment 2022
  • University of Memphis
DOI
4H (2023-2024) Stypsi Geothermal Field Network
  • Aristotle University of Thessaloniki, Greece
DOI
4J (2014-2016) AQ3 SW Queensland and NW New South Wales
DOI
4J (2017-2024) Red sísmica Bioko
  • Drexel University, United States of America
DOI
4K (2014-2016) UAE transects across the Semail Ophiolite
DOI
4K (2017-2022) Ruegen Cliff Observatory
DOI
4K (2023-2023) Mount Rainier 2023
  • University of Oregon
DOI
4L (2014-2016) IMAGE Reykjanes
DOI
4L (2017-2019) Canoe Reach Geothermal Field
  • University of Calgary, Canada
DOI
4L (2020-2022) Bedload Monitoring of Ephemeral Streams 2022 Nodal Portion
  • New Mexico Tech, United States of America
DOI
4L (2023-2025) Tenerife-Gran Canaria Seismic Network (GUANCHE_INTEGRAL) DOI

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