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
O1	The NWMO Seismic Network	Nanometrics Seismological Instruments, Canada	—	—
O2	Oklahoma Consolidated Temporary Seismic Networks	Oklahoma Geological Survey (OGS), United States of America		DOI
OA	AusArray Transportable Array	Geoscience Australia (GA), Australia	Australia	DOI
OB	Osservatorio Sismico "A. Bina"	Osservatorio Sismico "A. Bina", Perugia, Italy	Italy	—
OC	Observatorio Sismológico CIGEOBIO CONICET	CONICET (OSCO), Argentina		—
OD	Open Seismometer Network	Universidad Autónoma de Madrid (UAM), Spain Universitat de València (UV), Spain	—	DOI
OE	Austrian Seismic Network	Central Institute for Meteorology and Geodynamics (ZAMG), Austria		DOI
OF	European Multidisciplinary Seafloor and Water Column Observatory - France	CNRS (Centre National Recherche Scientifique), France		—
OG	Sismalp	Observatoire de Grenoble, Grenoble, France	France	—
OH	Ohio Seismic Network	Ohio Geological Survey, United States of America		DOI
OI	Oceania International	United States Geological Survey (USGS), United States of America	—	DOI
OK	Oklahoma Seismic Network	Oklahoma Geological Survey (OGS), United States of America		DOI
OL	Cornegliano Laudense Seismic Network	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS), Italy	Italy	DOI
OM	Earthquake Monitoring Program of Oman	Sultan Qaboos University, Oman	Oman	—
ON	Rede Sismográfica do Sul e do Sudeste	Observatório Nacional, Rio de Janeiro, RJ, Brazil		DOI
OO	Ocean Observatories Initiative	NSF Ocean Observatories Initiative (OOI), United States of America		DOI
OP	Rete Sismica e Accelerometrica	Associazione Nazionale Carabinieri nucleo regionale umbria, Italy	—	DOI
OQ	Oklahoma Structural and Site Effects Network	Oklahoma State University (OSU), United States of America		DOI
OR	OR - Reykjavik Energy	Reykjavík Energy, Iceland	—	DOI
OS	Seismological Observatory, Brasilia Brazil	University of Brasilia (UnB), Brazil	Brazil	—
OT	OTRIONS	University of Bari "Aldo Moro" (UNIBA), Italy		DOI
OU	Ulaanbaatar seismic network	Institute of Astronomy and Geophysics of Mongolian Academy of Science (IAG), Mongolia	—	DOI
OV	Observatorio Vulcanológico y Sismológico de Costa Rica	Obsercatorio Vulcanológico y Sismológico de Costa Rica, Universidad Nacional (OVSICORI-UNA), Costa Rica		DOI
OW	Ocean Networks Canada Onshore Network	Ocean Networks Canada (ONC), Canada	—	DOI
OX	North-East Italy Seismic Network	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS), Italy		DOI
OY	OGS Mobile LAB	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS), Italy		DOI
OZ	Seismology Research Centre	Seismology Research Centre (SRC), Australia		—

Network Data API

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