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
YR (2021-2021)	An Open-Access, OBS Controlled-Source Seismic Dataset Across the Cascadia Accretionary Wedge From Multi-Scale Regional OBS and Focus	Woods Hole Oceanographic Institution (WHOI), United States of America		DOI
6D (2023-2025)	A novel magnetometer network to capture the ongoing inflationary episode at Askja volcano, Iceland	Columbia University		DOI
4B (2016-2018)	ANR-Remake Quito basin	CEREMA (CEREMA), France		DOI
1U (2023-2025)	ANSAR	University of Auckland	—	DOI
4E (2022-2023)	Antarctica Ice Rift Experiment	University of Maryland (UMD), United States of America		DOI
XF (1995-1996)	Antarctic Microearthquake Project, Monitoring of Ice Stream C, West Antarctica	IRIS/PASSCAL		DOI
YI (1997-2002)	Antarctic Network of Unattended Broadband Seismometers	IRIS/PASSCAL		DOI
1C (2015-2015)	Antithesis 2	Geoazur (Geoazur), France		—
ZC (1995-1995)	Antofagasta	GEOFON Program (GFZ-Potsdam, Germany), Germany	Germany	—
XF (1987-1992)	Anza Borehole Experiment	University of California, San Diego (UCSD), United States of America		DOI
XA (1969-1977)	Apollo Passive Seismic Experiments	NASA Goddard Space Flight Center (GSFC), United States of America		DOI
Z4 (2009-2010)	Appalachian Seismic Transect	University of North Carolina at Chapel Hill (UNC), United States of America		DOI
Z2 (2023-2025)	Application of seismic geophones to define sediment volume transport through the middle reach of the White River, Washington.	US Army Corps of Engineers		DOI
4J (2014-2016)	AQ3 SW Queensland and NW New South Wales	Australian National University (ANU), Australia		DOI
1Q (2016-2017)	AQT	Australian National University (ANU), Australia		DOI
3S (2018-2019)	Archimedes	GEOMAR Helmholtz Centre for Ocean Research Kiel (IFM-GEOMAR), Germany	—	DOI
3A (2008-2009)	ARC-Vanuatu	Reseau sismologique et géodésique français (RESIF), France		DOI
ZO (2008-2009)	ARC-Vanuatu Seismic Experiment (Volcanoes)	Observatoire de Grenoble, Grenoble, France		DOI
8M (2022-2022)	Arette Cluster	Observatoire Midi-Pyrénées (OMP), France	—	DOI
XJ (1988-1988)	Argo Abyssal Plain VSP	Woods Hole Oceanographic Institution (WHOI), United States of America		DOI
XM (2012-2014)	ARGOS - Alutu and Regional Geophysical Observation Study	University of Bristol, United Kingdom		DOI
YP (2014-2015)	Argostoli earthquake aftershock experiment	Institut des Sciences de la Terre, France		DOI
3C (2014-2014)	Arizona Rapid Array Array Mobilization Program	Arizona Geological Survey, United States of America		DOI
1A (2009-2012)	Arlita	Reseau sismologique et géodésique français (RESIF), France		DOI
YR (2016-2017)	Armatrice Sequence International	British Geological Survey, United Kingdom		DOI
7N (2018-2022)	Arraiolos	Institute of Earth Sciences, University of Evora (ICT-UE), Portugal		DOI
2X (2023-2023)	Array-based seismic measurements of OSIRIS-REx’s re-entry	The Johns Hopkins University		DOI
1C (2016-2016)	Array in Wittewierum, Netherlands	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam), Germany		DOI
XB (2000-2002)	Array studies of anisotropy and converted phases in the Marlborough Fault Zone of New Zealand	IRIS/PASSCAL		DOI
4F (2007-2011)	Askja 2007	University of Cambridge, United Kingdom		DOI
5J (2017-2019)	ASR	Australian National University (ANU), Australia		DOI
1B (2013-2013)	Assured Arctic Awareness	University of Washington, United States of America		DOI
6F (2024-2025)	Astracan	University of Oviedo (UNIOVI), Spain	—	DOI
XB (1996-1996)	A study of the Abitibi-Greenville lithoshpere by teleseismic analyses	IRIS/PASSCAL		DOI
9O (2019-2020)	ASTUTI Costa Rica	U.S. Geological Survey, United States of America		DOI
7K (2018-2019)	AtlanticNoise	Woods Hole Oceanographic Institution (WHOI), United States of America		DOI
X5 (2023-2025)	Auckland-Hauraki Node Array	Australian National University (ANU), Australia	—	DOI
4V (2022-2023)	Aurora Vent Field Gakkel Ridge	Alfred Wegener Institute (AWI), Germany	—	—
6K (2020-2022)	AusArray SA	Geological Survey of South Australia, Australia		DOI
3M (2013-2016)	Australia-Indonesia Tectonics Observatory 2013-2016	Australian National University (ANU), Australia		DOI
7G (2019-2020)	Autocorrelation of ambient noise and P-wave coda for crustal structure	Purdue University, United States of America		DOI
8U (2022-2022)	Axial Volcano compliance tests	Lamont Doherty Earth Observatory, Columbia University (LDEO), United States of America	—	DOI
X1 (2007-2008)	Aysen Chile Aftershock Deployment	University of Liverpool, United Kingdom		—
8S (2022-2022)	Azores Network	University College London (UCL), United Kingdom	—	DOI
YA (2017-2019)	Back-arc rifting in New Zealand	Tulane University (TU), United States of America		DOI
Y2 (2013-2013)	Balcombe	University of Bristol, United Kingdom		DOI
ZF (2003-2004)	BAM Earthquake Aftershock Experiment	Observatoire de Grenoble, Grenoble, France		DOI
XG (2014-2014)	Barcelonnette 2014 aftershock sequence	Sismos a l'Ecole, Geosciences Azur, France		DOI
YZ (2003-2003)	Bardwell, KY Aftershock Deployment	University of Memphis, CERI, United States of America		—
3J (2021-2022)	Basal conditions of Malaspina Glacier	University of Alaska Fairbanks		DOI

Network Data API

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