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
4N (2024-2025) 4N - New Jersey 2024 Earthquake Sequence DOI
4S (2019-2020) Active seismic imaging of a leaky CO2 fault system
DOI
4P (2022-2026) AdriaArray Temporary Network: Italy - north, south
4O (2024-2025) Aeolian Islands Network
4B (2016-2018) ANR-Remake Quito basin
DOI
4E (2022-2023) Antarctica Ice Rift Experiment
DOI
4J (2014-2016) AQ3 SW Queensland and NW New South Wales
DOI
4F (2007-2011) Askja 2007
DOI
4V (2022-2023) Aurora Vent Field Gakkel Ridge
4L (2020-2022) Bedload Monitoring of Ephemeral Streams 2022 Nodal Portion
DOI
4Z (2023-2023) Boise Geothermal Summer Camp
DOI
4L (2017-2019) Canoe Reach Geothermal Field
DOI
4P (2020-2021) Carnegie Washington Backyard Network DOI
4N (2017-2022) China-Western Australia Seismic array
DOI
4W (2022-2023) Coupling erosion, weathering, and hydrologic function in an active orogenic system
DOI
4A (2010-2011) Darfield RAMP Aftershock Deployment, NZ
DOI
4U (2018-2019) Dry Alluvium Geology Gradiometry
DOI
4H (2009-2010) EAL1
DOI
4B (2021-2021) El Paso Iglesias DOI
4H (2022-2022) Embayment Seismic Excitation Experiment 2022
DOI
4A (2009-2009) Emersito Seismic Network for Site Effect Studies in L'Aquila town (Central Italy)
DOI
4G (2007-2030) EMSO-Azores
DOI
4N (2023-2023) Fast Response Aftershock network for the Moroccan Earthquake 2023 DOI
4E (2015-2016) Field Research Station broadband seismometer network
DOI
4K (2024-2025) Fiordland Seismological Sounding of Landslides and Earthquakes (FISSLE) DOI
4E (2012-2013) G9
4X (2021-2023) GEObyIT seismic network in Oslo, Norway DOI
4M (2016-2016) GEODES SP Crater Active Seismic Experiment 2016
DOI
4C (2015-2015) GeoGirls outreach experiment at Mount St. Helens
4R (2022-2027) GEOREAL DOI
4Q (2019-2021) GFZ contribution to the COSEISMIQ seismic network DOI
4L (2014-2016) IMAGE Reykjanes
DOI
4A (2020-2020) Imaging Yellowstone's shallow Magma Reservoir
DOI
4C (2020-2024) Inter-Wind
DOI
4A (2008-2008) Investigating mechanisms of subglacial hydrology and basal shear stress beneath Whillans Ice Stream using passive seismology
DOI
4B (2019-2020) iTarg3T
DOI
4A (2021-2021) Kamara Mine Network DOI
4O (2018-2020) Longmen P
DOI
4M (2018-2019) Los Angeles Basin Seismic Experiment
DOI
4A (2022-2024) Mapping the structure of the Duluth Complex & Animikie Basin
DOI
4E (2010-2011) MARS/Testing of cabled broadband OBS using MARS test facility
DOI
4K (2023-2023) Mount Rainier 2023
DOI
4P (2019-2019) Mpala wildlife 2019
4H (2018-2021) Mulhouse Seismo Citizen
4H (2011-2012) Nabro Urgency Array
DOI
4C (2011-2014) NERA-JRA1-A
4E (2020-2021) Nodal seismic experiment at the Berkeley section of the Hayward fault DOI
4F (2015-2025) North Texas Earthquake Study: Venus (Johnson County), TX
DOI
4P (2006-2018) NSF EarthScope USArray Magnetotelluric Transportable and Backbone Arrays DOI
4H (2014-2017) Oklahoma State University Seismic Network
DOI

Network Data API

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