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
5L (2024-2027)	Marlborough Observatory Reseearching fault Interconnectedness beneath the Alps	Victoria University of Wellington, New Zealand		DOI
3G (2018-2019)	Marla Line	Australian National University (ANU), Australia		DOI
X3 (2013-2014)	MARINER: Seismic Investigation of the Rainbow Hydrothermal Field	University of Hawaii (UH), United States of America		DOI
ZU (2009-2010)	Marine Observations of Anisotropy near Aotearoa	Woods Hole Oceanographic Institution (WHOI), United States of America		DOI
2F (2021-2021)	MARIBNO	Complutense University of Madrid, Spain	—	DOI
YY (2003-2004)	Mariana Subdction Factory Experiment	Washington University in St. Louis (WUSTL), United States of America		—
YP (2017-2018)	Margin Afar	University of Strasbourg (Unistra), France		DOI
8F (2016-2016)	MARGATS	Universite Brest, France		DOI
VM	Marche Seismic Network	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy	—	DOI
4A (2022-2024)	Mapping the structure of the Duluth Complex & Animikie Basin	United States Geological Survey (USGS), United States of America		DOI
Z6 (2019-2019)	Mapping the Seattle Basin Edge	Harvard University, United States of America		DOI
XF (2006-2007)	Mapping the Rivera Subduction Zone	IRIS/PASSCAL		DOI
8Q (2021-2023)	Mapping and Understanding Seismic Anisotropy in the Northeast Pacific Ocean	Woods Hole Oceanographic Institution (WHOI), United States of America		—
XF (2012-2013)	Mantle serpentinization and water cycling through the Mariana Trench and Forearc	Washington University in St. Louis (WUSTL), United States of America		DOI
Z6 (2006-2008)	Mantle Investigations of Norwegian Uplift Structures	Karlsruhe Institute of Technology (KIT GPI), Germany		—
Z1 (2009-2010)	Mantle flow and magma supply to the Eastern Lau Spreading Center	Washington University in St. Louis (WUSTL), United States of America		DOI
YL (2021-2022)	MangyStaU ARray (MSUAR) Feasibility Study	Michigan State University (MSU), United States of America		DOI
8E (2011-2013)	Mammoth Mountain Broadband Experiment	USGS Menlo Park, United States of America		—
XR (2003-2003)	Mammoth 2003	IRIS/PASSCAL	—	—
ML	Malta Seismic Network	University of Malta (UM), Malta		DOI
MY	Malaysian National Seismic Network	Malaysian Meteorological Service, Ministry of Science, Tech and Innovation (MOSTI-MMD-MET), Malaysia		—
MW	Malawi National Seismic Network	Geological Survey Department of Malawi (GSDM), Malawi		DOI
ZV (2012-2013)	Malargue seismic array	Delft University of Technology (TU), Netherlands		DOI
9A (2015-2016)	Makushin Volcano Plumbing	University of Wisconsin–Madison (UW), United States of America		DOI
1H (2013-2018)	Magnetotelluric Observations of Cascadia using a Huge Array	Oregon State University (OSU), United States of America	—	DOI
5F (2015-2016)	Magnetotelluric and seismic investigation of arc melt generation, delivery, and storage beneath Okmok Volcano	University of Wisconsin–Madison (UW), United States of America		DOI
2I (2022-2023)	Magnetic Field Characterization of Byerly Vault	UC Berkeley Seismological Laboratory		DOI
9H (2020-2021)	MAGma in ICeland	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam), Germany		DOI
XY (2005-2006)	Magma Accretion and the Formation of Batholiths	IRIS/PASSCAL		DOI
5J (2020-2022)	MAGIC - Distributed Acoustic Sensing	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam), Germany		DOI
XB (2003-2004)	Magdalena Ridge Observatory site noise study	IRIS/PASSCAL		DOI
XJ (2013-2015)	Magadi-Natron Magmatic Rifting Studies	University of Rochester, United States of America		DOI
M0	Magadan Regional Seismic Network of the Russian Federation	Magadan Branch of the Geophysical Survey of the Russian Academy of Sciences	—	DOI
ZX (2015-2018)	MADAM	ENS Paris, France		—
3F (2020-2022)	Macquarie Ridge	Australian National University (ANU), Australia	—	DOI
XF (2024-2027)	MACIV profiles (Multiscale seismic imaging of Massif Central)	ISTerre (ISTERRE), France Research Institute in Astrophysics and Planetology (IRAP), France	—	DOI
7M (2025-2025)	MACIV nodal Arrays	ISTerre (ISTERRE), France	—	—
ZO (2020-2020)	Machachi	Instituto Geofísico Escuela Politécnica Nacional (IGEPN), Ecuador		—
3C (2019-2021)	M5 Le Teil 20191111 PostSeismic	ISTerre (ISTERRE), France		DOI
LU	Luxembourg National Seismic Network	European Center for Geodynamics and Sesimology (ECGS), Luxembourg	Luxembourg	DOI
5D (2009-2020)	LuxBB	Karlsruhe Institute of Technology (KIT GPI), Germany	Germany	—
Z2 (2013-2013)	Luther OK	Cornell University, United States of America		—
LK	Lunitek Seismic Network	Lunitek srl, Italy		DOI
7X (2022-2023)	LU contribution to _EIFEL-LNX	European Center for Geodynamics and Sesimology (ECGS), Luxembourg	—	DOI
8C (2007-2016)	Lucky Strike OBS Network	—		—
LC	LSC (Laboratorio Subterraneo Canfranc)	Laboratorio Subterraneo de Canfranc (LSC), Spain		DOI
XD (1989-1989)	Low Frequency Acoustic Seismic Experiment	Woods Hole Oceanographic Institution (WHOI), United States of America		DOI
6G (2017-2018)	Los Humeros	GEOFON Program (GFZ-Potsdam, Germany), Germany		DOI
XN (1998-1999)	Los Angeles Region Seismic Experiment -- Passive Phase	IRIS/PASSCAL		DOI
LA	Los Angeles Basin Seismic Network	University of Southern California (USC), United States of America		—

Network Data API

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