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
NW	Northwestern University Seismic Network	Northwestern University, United States of America		—
NV	NEPTUNE	Ocean Networks Canada (ONC), Canada		DOI
NU	Nicaraguan Seismic Network	Instituto Nicaraguense de Estudios Territoriales (INETER), Nicaragua		DOI
NT	USGS Geomagnetism Program	United States Geological Survey (USGS), United States of America	United States of America	DOI
NS	University of Bergen Seismic Network	University of Bergen (UiB Norway), Norway		DOI
NR	NARS	Utrecht University (UU), Netherlands		DOI
NQ	NetQuakes	United States Geological Survey (USGS), United States of America		DOI
NP	United States National Strong-Motion Network	United States Geological Survey (USGS), United States of America		DOI
NO	NORSAR Station Network	NORSAR, Norway		DOI
NN	Nevada Seismic Network	University of Nevada Reno (UNR), United States of America		DOI
NM	Cooperative New Madrid Seismic Network	CERI - University of Memphis		—
NL	Netherlands Seismic and Acoustic Network	Royal Netherlands Meteorological Institute (KNMI), Netherlands		DOI
NK	Nepal Kathmandu	National Seismological Centre (NSC), Nepal		DOI
NJ	Nigerian National Network of Seismographi Stations (NNNSS)	Centre for Geodesy and Geodynamics (CGG), Nigeria		DOI
NI	North-East Italy Broadband Network	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS), Italy University of Trieste, Italy		DOI
NH	Geological Survey of North Rhine - Westphalia	Geological Survey of North Rhine - Westphalia (GD NRW), Germany		DOI
NG	Reserved for Papua New Guinea Seismic Network	—	—	—
NF	North Fork Valley Seismic Network	National Institute for Occupational and Health (NIOSH), United States of America	United States of America	—
NE	New England Seismic Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
ND	New CaleDonia Broadband Seismic Network	Centre IRD de Noumea, Nouvelle-Caledonie, New Caledonia		DOI
NC	USGS Northern California Seismic Network	USGS Menlo Park, United States of America		DOI
NB	Northeastern Brazil UFRN	Universidade Federal do Rio Grande do Norte (UFRN), Brazil		—
NA	Caribbean Netherlands Seismic Network	Royal Netherlands Meteorological Institute (KNMI), Netherlands		DOI
N9	N9 - Svalbard Glaciers Surge Monitoring	University of Oslo (UiO), Norway	—	DOI
N4	Central and Eastern US Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
N3	CATACA	Other	—	—
N2	N2	Other	—	—
N1	NGSA Seismic Network	Nigerian Geological Survey Agency (NGSA), Nigeria University of Abuja, Nigeria	—	DOI
N0	North Osetia Regional Seismic Network of the Russian Federation	North Osetia Branch of the Geophysical Survey of the Russian Academy of Sciences, Russian Federation	—	DOI
MZ	National Seismic Network of Mozambique	Instituto Nacional de Minas (INAMI), Mozambique	—	DOI
MY	Malaysian National Seismic Network	Malaysian Meteorological Service, Ministry of Science, Tech and Innovation (MOSTI-MMD-MET), Malaysia		—
MX	Mexican National Seismic Network	Universidad Nacional Autónoma de México (UNAM), Mexico		DOI
MW	Malawi National Seismic Network	Geological Survey Department of Malawi (GSDM), Malawi		DOI
MV	Montserrat Volcano Observatory	University of the West Indies, Seismic Research Centre, Trinidad and Tobago	Trinidad and Tobago	—
MU	Miami University Seismic Network	Miami University, Ohio, United States of America		—
MT	French Landslide Observatory / OMIV: Permanent seismological records on unstable slopes	Ecole et Observatoire des Sciences de la Terre (EOST), France		DOI
MS	Singapore Seismological Network	Meteorological Service of Singapore, Singapore		—
MR	Mauritius Seismic Network	Mauritius Meteorological Services, Mauritius		—
MQ	Martinique Seismic and Volcano Observatory Network	Institut de Physique du Globe de Paris (IPGP), France		DOI
MP	Iraqi Seismic Observatory	• Seismological Laboratory of University of Basrah (SLUB) and Laboratory of Seismology and Spatial Data Analysis of University of Baghdad (LSDAUoB), Iraq (SLUB and LSDAUoB), Iraq		DOI
MO	Morocco Seismic Network	Institut National de Géophysique, Rabat (CNRST), Morocco	Morocco	—
MN	Mediterranean Very Broadband Seismographic Network	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy		DOI
MM	Myanmar National Seismic Network	Department of Meteorology and Hydrology - National Earthquake Data Center (DMH-NEDC), Myanmar		DOI
ML	Malta Seismic Network	University of Malta (UM), Malta		DOI
MK	Seismological network of the Republic of North Macedonia	Seismological Observatory at the Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University, Skopje, Republic of Macedonia (SORM), Macedonia	—	DOI
MJ	Mongolian National Network	Institute of Astronomy and Geophysics of Mongolian Academy of Science (IAG), Mongolia	—	DOI
MI	USGS Northern Mariana Islands Network	USGS Alaska Anchorage, United States of America		DOI
MH	Mobile Earthquake Recording in Marine Areas by Independent Divers	Princeton University, United States of America	Global	DOI
MG	Permanent Seismic Network of Queretaro State, Mexico	Instituto de Geociencias, UNAM (IGc), Mexico		DOI
MF	Laboratorio de Ingeniería Sísmica	Universidad de Costa Rica, Costa Rica		DOI

Network Data API

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