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
MO	Morocco Seismic Network	Institut National de Géophysique, Rabat (CNRST), Morocco	Morocco	—
3K (2023-2025)	MOSAICMO Seismic Network in Molise-Sannio region, Italy	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy	—	—
8J (2018-2018)	Mount Adams Temporary Infrasound Arrays	University of California, Santa Barbara (UCSB), United States of America		DOI
XS (1996-1997)	Mount Erebus Observatory	IRIS/PASSCAL		DOI
XZ (1999-2000)	Mount Erebus Seismic Studies	IRIS/PASSCAL		DOI
ER	Mount Erebus Volcano Observatory Seismic Network	EarthScope Consortium, United States of America		DOI
ZR (2009-2011)	Mount Isa Northern Queensland	Australian National University (ANU), Australia		DOI
4K (2023-2023)	Mount Rainier 2023	University of Oregon		DOI
YU (2004-2005)	Mount Saint Helens Broadband	University of Memphis, CERI, United States of America	United States of America	—
YB (2005-2006)	Mount Saint Helens Dense Array	USGS Menlo Park, United States of America		DOI
9J (2021-2021)	Mount St. Helens 2021	University of Oregon, United States of America		DOI
X5 (2022-2022)	Mount St. Helens 2022	University of Oregon, United States of America		DOI
YI (2017-2017)	Mount St. Helens 3C Node Array	University of New Mexico (UNM), United States of America		DOI
6H (2011-2013)	Mozambique Rift Tomography	University of Bristol, United Kingdom		DOI
4P (2019-2019)	Mpala wildlife 2019	University of Oxford, United Kingdom	—	—
TB	MRC Earth and Marine Sciences Network	TÜBITAK Marmara Research Center (MRC Turkey), Türkiye		DOI
Z7 (2008-2009)	MROI Vibration Studies	New Mexico Tech, United States of America		DOI
1D (2014-2014)	MSH Node Array	University of New Mexico (UNM), United States of America		DOI
Z3 (2008-2008)	Mt.Carmel 2008 AFtershock Network	University of Memphis, CERI, United States of America		—
Y4 (2008-2009)	Mt. Erebus Volcano Observatory	New Mexico Tech, United States of America		DOI
Z1 (2013-2015)	MT Imaging of the Cascades Volcanic Arc GeoPRISMS/ES MT Experiment	Oregon State University (OSU), United States of America	United States of America	—
8L (2019-2019)	Mt. Meager Geothermal Nodal Array	University of Calgary, Canada		DOI
1U (2013-2015)	Mt. Paektu Seismic Network	Birkbeck, University of London, United Kingdom		DOI
ZC (2005-2005)	Mt. St.Helens Temporary Array 2005	University of Washington, United States of America		DOI
9L (2022-2023)	Mud volcanoes in SW Taiwan	ISTerre (ISTERRE), France	—	—
9M (2019-2021)	Mugello Temporary Seismic Deployment	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy		DOI
8M (2016-2016)	MULGA NT Array	Australian National University (ANU), Australia	—	DOI
4H (2018-2021)	Mulhouse Seismo Citizen	University of Strasbourg (Unistra), France		—
ZZ (2011-2011)	Multi-array observations of tectonic tremor in the Anza gap, San Jacinto fault, CA - Phase 1	California Institute of Technology (CIT), United States of America		DOI
XS (2006-2009)	Multi-disciplinary Experiments for Dynamic Understanding of Subduction under the Aegean Sea	Massachusetts Institute of Technology (MIT), United States of America		DOI
XW (1997-2001)	Multidisciplinary Investigation of the Mountain Building in the Tien Shan	University of California, San Diego (UCSD), United States of America		DOI
YV (2006-2009)	Multidisciplinary Observations Of Subduction	IRIS/PASSCAL		DOI
8N (2019-2019)	Multi-Modal DAG-4 Dataset	Lawrence Livermore National Laboratory (LLNL), United States of America		DOI
1M (2018-2020)	MultI-parameter monitoring and real-time risk assessment of hydroelectric DAMs in the Kyrgyz Republic	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam), Germany		DOI
6M (2013-2030)	Multi-year infrasound deployment at Volcán El Reventador	Pontificia Universidad Católica del Ecuador (PUCE), Ecuador		DOI
X1 (2020-2020)	MUSE - Myanmar Universities Nodal Seismic Experiments	Louisiana State University, United States of America		DOI
YW (2021-2025)	Muswellbrook	Geoscience Australia (GA), Australia	—	DOI
MM	Myanmar National Seismic Network	Department of Meteorology and Hydrology - National Earthquake Data Center (DMH-NEDC), Myanmar		DOI
6C (2018-2022)	Myanmar subduction to collision imaging array	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam), Germany		DOI
2D (2013-2016)	N2	University of Bergen, Inst of Geophysics (UiB), Norway		DOI
N9	N9 - Svalbard Glaciers Surge Monitoring	University of Oslo (UiO), Norway	—	DOI
4H (2011-2012)	Nabro Urgency Array	Birkbeck, University of London, United Kingdom		DOI
YW (2011-2012)	Nabro Urgency Array	Imperial College London, United Kingdom	United Kingdom	—
XC (1998-1999)	Namibia	GEOFON Program (GFZ-Potsdam, Germany), Germany		DOI
XG (1995-1996)	Nanga Parbat Pakistan, Crustal Reworking During Orogeny: An Active System Himalayan Perspective	IRIS/PASSCAL		DOI
DE	Nanometrics Research Network	Nanometrics Seismological Instruments, Canada		—
NX	Nanometrics Research Network	Nanometrics Seismological Instruments, Canada		DOI
Y4 (2016-2016)	Napa Seismic Investigation 2016	USGS Menlo Park, United States of America		DOI
NR	NARS	Utrecht University (UU), Netherlands		DOI
8P (2019-2022)	NASA Magnetotelluric Transportable Array	Incorporated Research Institutions For Seismology (IRIS), United States of America	—	DOI

Network Data API

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