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
OA	AusArray Transportable Array	Geoscience Australia (GA), Australia	Australia	—
OE	Austrian Seismic Network	ZAMG - Zentralanstalt für Meterologie und Geodynamik (ZAMG), Austria		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	—
OF	European Multidisciplinary Seafloor and Water Column Observatory - France	CNRS (Centre National Recherche Scientifique), France		—
OX	North-East Italy Seismic Network	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS), Italy		DOI
OC	Observatorio Sismológico CIGEOBIO CONICET	CONICET (OSCO), Argentina		—
OV	Observatorio Vulcanológico y Sismológico de Costa Rica	Obsercatorio Vulcanológico y Sismológico de Costa Rica, Universidad Nacional (OVSICORI-UNA), Costa Rica		DOI
OI	Oceania International	USGS	—	DOI
OW	Ocean Networks Canada Onshore Network	Ocean Networks Canada (ONC), Canada	—	DOI
OO	Ocean Observatories Initiative	Rutgers University, United States of America		DOI
OY	OGS Mobile LAB	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS), Italy		DOI
OH	Ohio Seismic Network	Ohio Geological Survey, United States of America		DOI
O2	Oklahoma Consolidated Temporary Seismic Networks	Oklahoma Geological Survey (OGS), United States of America		DOI
OK	Oklahoma Seismic Network	Oklahoma Geological Survey (OGS), United States of America		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
OB	Osservatorio Sismico "A. Bina"	Osservatorio Sismico "A. Bina", Perugia, Italy	Italy	—
OT	OTRIONS	University of Bari "Aldo Moro" (UNIBA), Italy		DOI
ON	Rede Sismográfica do Sul e do Sudeste	Observatório Nacional, Rio de Janeiro, RJ, Brazil		DOI
OS	Seismological Observatory, Brasilia Brazil	University of Brasilia, Brazil	Brazil	—
OG	Sismalp	Observatoire de Grenoble, Grenoble, France	France	—
OZ	SRC eqServer	Seismology Research Centre (SRC), Australia		—

Network Data API

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