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
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
1H (2024-2024)	Mundi Mundi Passive Seismic Array	University of Adelaide, Australia	—	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
Y4 (2024-2027)	MZSCF Seismic Network in Campi Flegrei, Italy	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy	—	—
N2	N2	Other	—	—
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
NX	Nanometrics Research Network	Nanometrics Seismological Instruments, Canada		DOI
DE	Nanometrics Research Network	Nanometrics Seismological Instruments, Canada		—
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
RK	NASA READI Kinematic GPS	Central Washington University, United States of America	United States of America	DOI
HL	National Observatory of Athens Seismic Network	National Observatory of Athens, Institute of Geodynamics, Athens, Greece		DOI
RI	National Seismic Network of Argentina	Instituto Nacional de Prevencion Sismica, Argentina	Argentina	DOI
AB	National Seismic Network of Azerbaijan	Republic Center of Seismic Survey/Acad. of Sciences of Azerbaijan, Azerbaijan		—
BS	National Seismic Network of Bulgaria	National Institute of Geophysics, Geodesy and Geography - BAS (NIGGG - BAS), Bulgaria		DOI
GO	National Seismic Network of Georgia	Ilia State University- Seismic Monitoring Centre of Georgia, Georgia		DOI
IN	National Seismic Network of India	India Meteorological Department, India		—
MZ	National Seismic Network of Mozambique	Instituto Nacional de Minas (INAMI), Mozambique	—	DOI
RQ	National Seismic Network of URBAN-INCERC	Institutul Naţional de Cercetare-Dezvoltare in Construcţii Urbanism şi Dezvoltare Teritorială Durabilă (URBAN-INCERC), Romania	—	DOI
AT	National Tsunami Warning Center Alaska Seismic Network	National Oceanic and Atmospheric Administration (NOAA), United States of America		DOI
XD (1999-2000)	Natural Seismicity Investigation of Active Continental Breakup in the Woodlark Basin	IRIS/PASSCAL		DOI
YY (2000-2001)	NCISP1	Institute of Geology and Geophysics, CAS (CAS ), China		DOI
ZQ (2001-2003)	NCISP2	Institute of Geology and Geophysics, CAS (CAS ), China		DOI
ZX (2003-2004)	NCISP3	Institute of Geology and Geophysics, CAS (CAS ), China		DOI
X2 (2005-2006)	NCISP4	Institute of Geology and Geophysics, CAS (CAS ), China		DOI
Z8 (2006-2008)	NCISP5	Institute of Geology and Geophysics, CAS (CAS ), China		DOI
1A (2007-2008)	NCISP6	Institute of Geology and Geophysics, CAS (CAS ), China		DOI
8B (2008-2009)	NCISP7	Institute of Geology and Geophysics, CAS (CAS ), China		DOI
XQ (2011-2011)	NEESR-CR: Topographic Effects in Strong Ground Motion - From Physical and Numerical Modeling to Design	University of Arkansas - Fayetteville, United States of America		DOI
NK	Nepal Kathmandu	National Seismological Centre (NSC), Nepal		DOI
NV	NEPTUNE	Ocean Networks Canada (ONC), Canada		DOI
4C (2011-2014)	NERA-JRA1-A	Observatoire de Grenoble, Grenoble, France		—
NL	Netherlands Seismic and Acoustic Network	Royal Netherlands Meteorological Institute (KNMI), Netherlands		DOI
NQ	NetQuakes	United States Geological Survey (USGS), United States of America		DOI

Network Data API

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