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
MJ	Mongolian National Network	Institute of Astronomy and Geophysics of Mongolian Academy of Science (IAG), Mongolia	—	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
ML	Malta Seismic Network	University of Malta (UM), Malta		DOI
MM	Myanmar National Seismic Network	Department of Meteorology and Hydrology - National Earthquake Data Center (DMH-NEDC), Myanmar		DOI
MN	Mediterranean Very Broadband Seismographic Network	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy		DOI
MO	Morocco Seismic Network	Institut National de Géophysique, Rabat (CNRST), Morocco	Morocco	—
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
MQ	Martinique Seismic and Volcano Observatory Network	Institut de Physique du Globe de Paris (IPGP), France		DOI
MR	Mauritius Seismic Network	Mauritius Meteorological Services, Mauritius		—
MS	Singapore Seismological Network	Meteorological Service of Singapore, Singapore		—
MT	French Landslide Observatory / OMIV: Permanent seismological records on unstable slopes	Ecole et Observatoire des Sciences de la Terre (EOST), France		DOI
MU	Miami University Seismic Network	Miami University, Ohio, United States of America		—
MV	Montserrat Volcano Observatory	University of the West Indies, Seismic Research Centre, Trinidad and Tobago	Trinidad and Tobago	—
MW	Malawi National Seismic Network	Geological Survey Department of Malawi (GSDM), Malawi		DOI
MX	Mexican National Seismic Network	Universidad Nacional Autónoma de México (UNAM), Mexico		DOI
MY	Malaysian National Seismic Network	Malaysian Meteorological Service, Ministry of Science, Tech and Innovation (MOSTI-MMD-MET), Malaysia		—
MZ	National Seismic Network of Mozambique	Instituto Nacional de Minas (INAMI), Mozambique	—	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
N1	NGSA Seismic Network	Nigerian Geological Survey Agency (NGSA), Nigeria University of Abuja, Nigeria	—	DOI
N2	N2	Other	—	—
N3	CATACA	Other	—	—
N4	Central and Eastern US Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
N9	N9 - Svalbard Glaciers Surge Monitoring	University of Oslo (UiO), Norway	—	DOI
NA	Caribbean Netherlands Seismic Network	Royal Netherlands Meteorological Institute (KNMI), Netherlands		DOI
NB	Northeastern Brazil UFRN	Universidade Federal do Rio Grande do Norte (UFRN), Brazil		—
NC	USGS Northern California Seismic Network	USGS Menlo Park, United States of America		DOI
ND	New CaleDonia Broadband Seismic Network	Centre IRD de Noumea, Nouvelle-Caledonie, New Caledonia		DOI
NE	New England Seismic Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
NF	North Fork Valley Seismic Network	National Institute for Occupational and Health (NIOSH), United States of America	United States of America	—
NG	Reserved for Papua New Guinea Seismic Network	—	—	—
NH	Geological Survey of North Rhine - Westphalia	Geological Survey of North Rhine - Westphalia (GD NRW), Germany		—
NI	North-East Italy Broadband Network	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale, University of Trieste (OGS & UniTS), Italy		DOI
NJ	Nigerian National Network of Seismographi Stations (NNNSS)	Centre for Geodesy and Geodynamics (CGG), Nigeria		DOI
NK	Nepal Kathmandu	National Seismological Centre (NSC), Nepal		DOI
NL	Netherlands Seismic and Acoustic Network	Royal Netherlands Meteorological Institute (KNMI), Netherlands		DOI
NM	Cooperative New Madrid Seismic Network	CERI - University of Memphis		—
NN	Nevada Seismic Network	University of Nevada Reno (UNR), United States of America		DOI
NO	NORSAR Station Network	NORSAR, Norway		DOI
NP	United States National Strong-Motion Network	U.S. Geological Survey, United States of America		DOI
NQ	NetQuakes	U.S. Geological Survey, United States of America		DOI
NR	NARS	Utrecht University (UU), Netherlands		DOI
NS	University of Bergen Seismic Network	University of Bergen (UiB Norway), Norway		DOI
NT	USGS Geomagnetism Program	U.S. Geological Survey, United States of America	United States of America	DOI
NU	Nicaraguan Seismic Network	Instituto Nicaraguense de Estudios Territoriales (INETER), Nicaragua		DOI
NV	NEPTUNE	Ocean Networks Canada (ONC), Canada		DOI
NW	Northwestern University Seismic Network	Northwestern University, United States of America		—
NX	Nanometrics Research Network	Nanometrics Seismological Instruments, Canada		DOI
NY	Yukon-Northwest Seismic Network	University of Ottawa, Canada		DOI
NZ	New Zealand National Seismograph Network	Institute of Geological & Nuclear Sciences Ltd (GNS), New Zealand		DOI
O1	The NWMO Seismic Network	Nanometrics Seismological Instruments, Canada	—	—

Network Data API

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