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
6E (2024-2024)	Bedload Monitoring - flume test	New Mexico Tech		DOI
6L (2019-2020)	BEAMISH 2019-20, Rutford Ice Stream, West Antarctica`	British Antarctic Survey (BAS), United Kingdom		DOI
9B (2016-2019)	BEAMISH	British Antarctic Survey (BAS), United Kingdom		DOI
B3	BC Hydro	—	—	—
XE (1994-1995)	BBand Andean Joint Exp. / Seismic Exploration of Deep Andes	IRIS/PASSCAL		DOI
BW	BayernNetz	Department of Earth and Environmental Sciences, Geophysical Observatory, University of Munchen, Germany		DOI
BH	Bay Area Urban Hazards	U.S. Geological Survey, United States of America	United States of America	—
YB (2009-2009)	Batholiths Controlled Source	Virginia Polytechnic Institute and State University (Virginia Tech), United States of America		DOI
1P (2011-2013)	Bass Strait	Australian National University (ANU), Australia		DOI
5A (2010-2012)	Basin & Range, Pleasant Valley Faulting, Crustal-Scale Geometry of Active Continental Normal Faults	Oregon State University (OSU), United States of America		DOI
3J (2021-2022)	Basal conditions of Malaspina Glacier	University of Alaska Fairbanks		DOI
YZ (2003-2003)	Bardwell, KY Aftershock Deployment	University of Memphis, CERI, United States of America		—
XG (2014-2014)	Barcelonnette 2014 aftershock sequence	Sismos a l'Ecole, Geosciences Azur, France		DOI
ZF (2003-2004)	BAM Earthquake Aftershock Experiment	Observatoire de Grenoble, Grenoble, France		DOI
Y2 (2013-2013)	Balcombe	University of Bristol, United Kingdom		DOI
BD	Bakun Dam Micro-Seismic Monitoring Network	Kinemetrics, United States of America	United States of America	—
BJ	Baikal Regional Seismic Network of the Russian Federation	Baikal Branch of the Geophysical Survey of the Russian Academy of Sciences	—	DOI
YA (2017-2019)	Back-arc rifting in New Zealand	Tulane University (TU), United States of America		DOI
8S (2022-2022)	Azores Network	University College London (UCL), United Kingdom	—	DOI
X1 (2007-2008)	Aysen Chile Aftershock Deployment	University of Liverpool, United Kingdom		—
8U (2022-2022)	Axial Volcano compliance tests	Lamont Doherty Earth Observatory, Columbia University (LDEO), United States of America	—	DOI
AW	AWI Network Antarctica	—		DOI
7G (2019-2020)	Autocorrelation of ambient noise and P-wave coda for crustal structure	Purdue University, United States of America		DOI
OE	Austrian Seismic Network	ZAMG - Zentralanstalt für Meterologie und Geodynamik (ZAMG), Austria		DOI
M8	Australian Semi-Permanent Support Network	Australian National University (ANU), Australia	—	DOI
S1	Australian Seismometers in Schools	Australian National University (ANU), Australia		DOI
AU	Australian National Seismograph Network	Geoscience Australia (GA), Australia		DOI
3M (2013-2016)	Australia-Indonesia Tectonics Observatory 2013-2016	Australian National University (ANU), Australia		DOI
OA	AusArray Transportable Array	Geoscience Australia (GA), Australia	Australia	—
6K (2020-2022)	AusArray SA	Geological Survey of South Australia, Australia		DOI
4V (2022-2023)	Aurora Vent Field Gakkel Ridge	Alfred Wegener Institute (AWI), Germany	—	—
X5 (2023-2025)	Auckland-Hauraki Node Array	Australian National University (ANU), Australia	—	DOI
7K (2018-2019)	AtlanticNoise	Woods Hole Oceanographic Institution (WHOI), United States of America		DOI
9O (2019-2020)	ASTUTI Costa Rica	U.S. Geological Survey, United States of America		DOI
XB (1996-1996)	A study of the Abitibi-Greenville lithoshpere by teleseismic analyses	IRIS/PASSCAL		DOI
6F (2024-2025)	Astracan	University of Oviedo (UNIOVI), Spain	—	DOI
1B (2013-2013)	Assured Arctic Awareness	University of Washington, United States of America		DOI
5J (2017-2019)	ASR	Australian National University (ANU), Australia		DOI
4F (2007-2011)	Askja 2007	University of Cambridge, United Kingdom		DOI
XB (2000-2002)	Array studies of anisotropy and converted phases in the Marlborough Fault Zone of New Zealand	IRIS/PASSCAL		DOI
1C (2016-2016)	Array in Wittewierum, Netherlands	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam), Germany		DOI
7N (2018-2022)	Arraiolos	Institute of Earth Sciences, University of Evora (ICT-UE), Portugal		DOI
TL	Armutlu Local Seismic Network	Kocaeli University, Türkiye		DOI
A2	Armenian Seismological Network	Institute Of Geological Sciences, NAS, RA (IGS), Armenia		DOI
A0	Armenian National Seismic Network	Armenian National Survey for Seismic Protection (NSSP), Armenia		DOI
YR (2016-2017)	Armatrice Sequence International	British Geological Survey, United Kingdom		DOI
1A (2009-2012)	Arlita	Reseau sismologique et géodésique français (RESIF), France		DOI
AH	Arkhangelsk Seismic Network	N. Laverov Federal Center for Integrated Arctic Research (FCIARctic), Russian Federation		DOI
AO	Arkansas Seismic Observatory	University of Arkansas at Little Rock (UALR), United States of America		—
AG	Arkansas Seismic Network	Arkansas Geological Survey (AGS), United States of America		—

Network Data API

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