Network Codes

The following network codes are assigned by the FDSN to facilitate unique identifiers for seismological data streams.

Request a new network code (requires login)
Generate citations for network data

Show network types:
All Permanent Temporary
Show only network codes starting with:

1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Search for network code or name:

Network Code	Network Name	Operated By	Deployment	DOI
YJ (2024-2025)	Ambient Noise records of San Vito Romano landslide	Sapienza University of Rome, Italy	—	DOI
XG (1997-1998)	Amazon	GEOFON Program (GFZ-Potsdam, Germany), Germany	Germany	—
XH (1996-1997)	Altiplano-Puna Volcanic Complex Seismic Experiment	IRIS/PASSCAL		DOI
AN	Altay-Sayan Regional Seismic Network of the Russian Federation	Altay-Sayan Branch of the Geophysical Survey of the Russian Academy of Sciences		DOI
XM (2005-2006)	ALPASS	IRIS/PASSCAL		—
Z3 (2015-2022)	AlpArray	Eidgendssisch Technische Hochschule - Swiss Seismological Service (ETH), Switzerland		DOI
2V (2019-2020)	Along-Dip Segmentation of the Slip Behavior and Rheology of the Copiapó Ridge, Chile	Universidad de Chile, Dept de Geofisica (DGF), Chile	—	DOI
3Y (2020-2022)	Along-Dip Influence of the Challenger Fault Zone on Slip Behavior and Rheology, Chile	Universidad de Chile, Dept de Geofisica (DGF), Chile	—	DOI
D	Algerian Near Field Tsunami Seismic Network	University of Sciences and Technology Houari Boumediene (USTHB), Algeria	—	DOI
YR (2008-2010)	ALFA08	Institute of Geological and Nuclear Science (GNS), New Zealand		DOI
8T (2018-2022)	Aleutian Subduction Zone GNSS-A 2017-2023	University of Washington, United States of America		DOI
9C (2014-2016)	Aleutian Array of Arrays	UC Riverside, United States of America		DOI
ZJ (2003-2003)	Alborz Transect	Observatoire de Grenoble, Grenoble, France	France	—
XW (2019-2022)	ALBION2	CNRS (Centre National Recherche Scientifique), France		DOI
1K (2013-2015)	Albany-Fraser Experiment	Australian National University (ANU), Australia		DOI
X3 (2022-2024)	AlbaNian TectonIcs of Continental Subduction	Karlsruhe Institute of Technology (KIT GPI), Germany	—	—
AC	Albanian Seismological Network	Institute of GeoSciences, Polytechnic University of Tirana (IGEO PUT), Albania		DOI
2D (2010-2011)	Albacore	UC San Diego, United States of America		—
AV	Alaska Volcano Observatory	Alaska Volcano Observatory/USGS (AVO/USGS), United States of America		DOI
ZB (1994-1996)	Alaska TE	GEOFON Program (GFZ-Potsdam, Germany), Germany		—
AL	Alaskan Long Period Array	University of Alaska, Fairbanks (UAF), United States of America		—
ZF (2011-2011)	Alaska Langseth Experiment to Understand the megaThrust	Lamont Doherty Earth Observatory, Columbia University (LDEO), United States of America		DOI
AK	Alaska Geophysical Network	Alaska Earthquake Center, Univ. of Alaska Fairbanks (AEC), United States of America		DOI
XD (2018-2019)	Alaska Community OBS Experiment	IRIS OBSIP (OBSIP), United States of America		—
3O (2019-2020)	AKIMBA	Australian National University (ANU), Australia		DOI
XA (2012-2012)	AIDA_Maine	Cornell University, United States of America		—
6J (2023-2025)	Agua Negra Deep Experiment Site	Karlsruhe Institute of Technology (KIT GPI), Germany	—	DOI
YI (2023-2026)	AGEMERA	Geosciences Barcelona (GEO3BCN - CSIC), Spain	—	—
XP (2020-2021)	Aftershock deployment for Stanley, ID earthquake 2020	Boise State University, United States of America Idaho Geological Survey (IGS), United States of America		DOI
ZP (2007-2009)	Africa Array- Uganda/Tanzania	None,		DOI
ZP (2010-2013)	Africa Array- Uganda/Tanzania	Penn State University, United States of America		—
YH (2010-2011)	AfricaArray SE Tanzania Basin Experiment	Penn State University, United States of America		DOI
ZQ (2006-2010)	Africa Array- S.Africa mine network	Penn State University, United States of America		—
8A (2015-2018)	AfricaArray - Namibia	Penn State University, United States of America		DOI
AF	AfricaArray	Penn State University, United States of America		DOI
Z5 (2018-2021)	A four-dimensional view of deformation in the Eastern Alaska Range - where did the slip on the Denali fault go?	Australian National University (ANU), Australia		DOI
YQ (2017-2019)	Afar Margin Northern Profile	University of Southampton, United Kingdom		DOI
ZK (2009-2011)	Afar Depression Dense Seismic Array	Missouri University of Science & Technology (Missouri S&T), United States of America		DOI
ZF (2007-2009)	Afar Consortium Network	University of Bristol, United Kingdom		—
2H (2009-2013)	AFAR0911	University of Southampton, United Kingdom		DOI
ZE (2007-2009)	AFAR07	University of Rochester, United States of America		DOI
7O (2000-2000)	AF00	Australian National University (ANU), Australia		DOI
8K (2023-2023)	Advancing Forest Health Assessment through Multi-Method Geophysical Surveys: Case Study in Snodgrass, Colorado.	Lawrence Berkeley National Laboratory		DOI
4P (2022-2026)	AdriaArray Temporary Network: Italy - north, south	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy	—	—
2Y (2022-2026)	AdriaArray Temporary Network: Italy - northeast	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS), Italy	—	DOI
1Y (2022-2026)	AdriaArray Temporary Network: Greece, North Macedonia	Aristotle University of Thessaloniki, Greece National Observatory of Athens, Institute of Geodynamics, Athens, Greece Ruhr Universitaet Bochum (RUB), Germany Saints Cyril and Methodius University of Skopje, Macedonia University of Athens, Greece University of Patras, Greece	—	DOI
XP (2023-2027)	AdriaArray Temporary Network: France - MACIV backbone (Multiscale seismic imaging of Massif Central)	ISTerre (ISTERRE), France Research Institute in Astrophysics and Planetology (IRAP), France	—	DOI
Y8 (2022-2026)	AdriaArray Temporary Network: Bulgaria, Moldova, Poland, Romania, Ukraine	Aarhus University (AU), Denmark Department of Earth Sciences, Uppsala University Department of Seismic Activity of Carpathian area (Lviv), Institute of Geophysics by S.I. Subbotin, National Academy of Sciences of Ukraine Institute of Earth Sciences, University of Silesia Institute of Geology and Seismology, Moldavian Academy of Sciences Institute of Geophysics, Czech Academy of Sciences Institute of Geophysics, Polish Academy of Sciences (IGF PAN), Poland Institute of Geophysics, University of Warsaw Institute of Rock Structure and Mechanics of the Czech Academy of Sciences Institute of Seismology, Department of Geosciences and Geography, University of Helsinki National Institute for Earth Physics (NIEP), Romania National Institute of Geophysics, Geodesy and Geography, Bulgarian Academy of Sciences Sodankylä Geophysical Observatory, University of Oulu Sofia University “St. Kliment Ohridski” Technische Universität Bergakademie Freiberg	—	DOI
7B (2022-2026)	AdriaArray Temporary Network: Austria, Croatia, Slovakia	Croatian Seismological Survey (CSS), Croatia ORFEUS Data Center, Royal Netherlands Meteorological Institute (KNMI), Netherlands UniWien (Department of Meteorology and Geophysics), Austria	—	—
Z6 (2022-2026)	AdriaArray Temporary Network: Albania, Austria, Czech Rep., Germany, Hungary, Kosovo, Montenegro, Slovakia	Czech Academy of Sciences, Institute of Geophysics (GFÚ AV ČR), Czechia Friedrich Schiller University Jena (FSU), Germany Geologival Survey of Kosovo, Kosovo Institute of Earth Physics and Space Science, Budapest (EPSS), Hungary Kiel University (CAU), Germany Ludwig-Maximilians-Universität München (LMU), Germany Polytechnic University of Tirana (UPT), Albania Sector for Seismology, Institute of Hydrometeorology and Seismology of Montenegro (IHMS), Montenegro Slovak Academy of Sciences (SAS), Slovakia	—	DOI

Network Data API

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