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
3H (2017-2017) Indian Heaven 2017
  • University of Arizona, United States of America
United States of America
3H (2018-2020) Monchique
3H (2021-2021) Shasta21 DOI
3H (2022-2022) Rainier_2022
  • University of Oregon, United States of America
DOI
3H (2023-2024) An Open Access Experiment to Seismically Image Galapagos Plume-Ridge Interaction
  • whoi.edu
3J (2011-2012) Deep OCean Test ARray DOCTAR (OBS part)
3J (2013-2015) HIRE-II
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
DOI
3J (2016-2018) Broadband Array in Longmenshan Seismic Gap
DOI
3J (2019-2019) RAMP deployment of 3C nodal for July Searles Valley 2019 Earthquake
  • UC Santa Barbara, United States of America
DOI
3J (2021-2022) Basal conditions of Malaspina Glacier
  • University of Alaska Fairbanks
DOI
3J (2023-2025) Interactions between the Tonga-Lau subduction system and the Samoan plume
  • whoi.edu
3K (2014-2015) Acehseis
3K (2016-2019) TROODOS: Tomography and Receiver function Observations of an Ophiolite using Data Obtained from Seismology
  • Imperial College London, United Kingdom
DOI
3K (2021-2021) Noise Field Characterisation at UCD Campus
3K (2022-2022) Sao Jorge 2022
3K (2023-2025) MOSAICMO Seismic Network in Molise-Sannio region, Italy
3L (2010-2023) Testing of the effectiveness of incorporating seismic data in seismic hazard assessment within a traditional field course
  • University of Indiana
DOI
3M (2013-2016) Australia-Indonesia Tectonics Observatory 2013-2016
DOI
3M (2018-2022) Gebze Technical University
DOI
3M (2023-2023) La Jencia Fault Zone Preliminary data collection
  • NMT
DOI
3N (2018-2018) Charleston land streamer 2018
DOI
3N (2019-2021) Permasense
DOI
3N (2022-2022) Paleovalley ICDP site survey (resubmission for NSF)
  • University of Oklahoma (OU), United States of America
DOI
3N (2023-2024) North York Moors Array
  • University of Oxford, United Kingdom
DOI
3O (2019-2020) AKIMBA
DOI
3O (2022-2022) Fluvial morphology and urban karst development in Cincinnati, Hamilton County, OH
  • University of Cincinnati
DOI
3P (2017-2021) Theistareykir monitoring network DOI
3P (2022-2024) Fault zone hydrogeological response to earthquakes
  • Lawrence Berkeley National Lab
DOI
3Q (2019-2019) Dublin pilot test train experiment, phase 1 DOI
3Q (2021-2021) Dublin pilot test train experiment, phase 2 DOI
3Q (2024-2027) INGV SISMIKO Emergency Seismic Network for Pietrapaola Sequence 2024 (Southern Italy)
DOI
3R (2018-2021) Kongsberg experiment DOI
3R (2022-2025) Collaborative research: A better understanding of seismic hazard in Tehuantepec, Mexico, using amphibious MT studies
DOI
3S (2018-2019) Archimedes DOI
3S (2021-2022) Monte Cotugno Reservoir Seismic Experiment DOI
3S (2023-2024) Jotul Vent Field Seismic Network (Knipovich Ridge)
  • Alfred Wegener Institute (AWI), Germany
3T (2013-2018) Temporal network Tungurahua
  • Escuela Politecnica Nacional-Instituto Geofisico, Chile
DOI
3T (2019-2019) France 2019, Preliminary campaign at DARE project: Temporary Dense nodal seismic array in the Rhône Valley DOI
3T (2020-2026) Einstein Telescope Seismic Campaigns
DOI
3U (2018-2019) Hawkes Bay SSE experiment
  • Lamont Doherty Earth Observatory, Columbia University (LDEO), United States of America
DOI
3U (2021-2022) Domo de San Pedro BB DOI
3U (2023-2023) Potsdam-Ferch, global DAS campaign 2023 DOI
3V (2019-2021) Monitoring water flow in karst using passive seismic ‘listening’
3V (2022-2028) Onshore seismic network of the Integrated Deep-Ocean Observing System (IDOOS) at the Atacama seismic gap in northern Chile DOI
3W (2022-2023) Peace River Induced Seismic Monitoring
  • University of Alberta, Canada
DOI
3X (2022-2022) Curnamona Cube MT & Passive Seismic Array DOI
3Y (2020-2022) Along-Dip Influence of the Challenger Fault Zone on Slip Behavior and Rheology, Chile 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

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