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
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	U.S. Geological Survey, United States of America		DOI
EQ	Nevada Educational Seismic Network	University of Nevada Reno (UNR), United States of America	United States of America	—
NN	Nevada Seismic Network	University of Nevada Reno (UNR), United States of America		DOI
8B (2010-2015)	Newberry EGS	Lawrence Berkeley Laboratory (LBNL), United States of America	United States of America	—
9G (2012-2015)	Newberry Volcano EGS Demonstration MSA	AltaRock Energy Inc, United States of America		DOI
2M (2022-2026)	Newberry Volcano EGS monitoring	Lawrence Berkeley Laboratory (LBNL), United States of America	—	DOI
ND	New CaleDonia Broadband Seismic Network	Centre IRD de Noumea, Nouvelle-Caledonie, New Caledonia		DOI
IC	New China Digital Seismograph Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
Y8 (2008-2008)	New England Damage Experiment	Weston Geophysical Corp, United States of America		DOI
2C (2013-2013)	New England Damage Experiment Phase II	Weston Geophysical Corp, United States of America		DOI
NE	New England Seismic Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
7O (2018-2024)	New England Seismic Transect	Yale University, United States of America		DOI
ZG (2024-2026)	New Frontiers in Sound	University of Arizona		DOI
8H (2012-2012)	New Mexico Coupling of Seismic	Weston Geophysical Corp, United States of America		—
SC	New Mexico Tech Seismic Network	New Mexico Tech, United States of America		DOI
2Q (2020-2024)	NEWTON-g gravity imager	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy	—	DOI
6B (2010-2015)	New York Canyon EGS	Lawrence Berkeley Laboratory (LBNL), United States of America		—
NZ	New Zealand National Seismograph Network	Institute of Geological & Nuclear Sciences Ltd (GNS), New Zealand		DOI
XM (1994-1994)	New Zealand Study	IRIS/PASSCAL		DOI
N1	NGSA Seismic Network	Nigerian Geological Survey Agency (NGSA), Nigeria University of Abuja, Nigeria	—	DOI
NU	Nicaraguan Seismic Network	Instituto Nicaraguense de Estudios Territoriales (INETER), Nicaragua		DOI
YQ (2006-2008)	Nicoya Peninsula Seismic Network	UC Santa Cruz, United States of America		—
YZ (2009-2014)	Nicoya Seismogenic Zone	UC Santa Cruz, United States of America		DOI
LQ	Niedersächsischer Erdbebendienst (NED)	Landesamt für Bergbau, Energie und Geologie (LBEG), Germany	—	—
NJ	Nigerian National Network of Seismographi Stations (NNNSS)	Centre for Geodesy and Geodynamics (CGG), Nigeria		DOI
YP (2004-2007)	NISD	Multimax Inc, United States of America	United States of America	—

Network Data API

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