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
ZE (2012-2014)	SELASOMA Project, Madagascar 2012-2014	GEOFON Program (GFZ-Potsdam, Germany)		DOI
4C (2005-2010)	Semipalatinsk Test Site Network	Inst. of Geophysical Research National Nuclear Center of Republic of Kazakhstan	Kazakhstan	—
5C (2015-2016)	September 16, 2015 Illapel Earthquake: Seismicity and Segmentation of the Nazca-South America Subudction Zone in Chile	University of Florida		DOI
SJ	Serbian Seismological Network	Seismological Survey of Serbia		DOI
SV	Servicio Nacional de Estudios Territoriales (SNET), El Salvador	Servicio Nacional de Estudios Territoriales (SNET El Salvador)		—
G3	Servicio Sismologico IN3, UMG	Servicio Sismologico IN3 (SSIN3)	Guatemala, Centro America	DOI
CW	Servicio Sismologico Nacional de Cuba	National Centre for Seismological Research (CENAIS Cuba)		DOI
7S (2006-2007)	SETA	Australian National University (ANU, Australia)		DOI
YU (1996-2002)	Several Greek networks	GEOFON Program (GFZ-Potsdam, Germany)		DOI
YL (2020-2020)	SF	Boise State University		DOI
EW	ShakeAlert - Earthquake Early Warning System	U.S. Geological Survey	California	—
YR (2018-2018)	Shale Hills Critical Zone Observatory 3D Seismic Experiment	Penn State University		DOI
5A (2019-2019)	Shale Hills Critical Zone Observatory Mini-Array 2 Experiment	Penn State University		DOI
XZ (2019-2019)	Shale Hills Critical Zone Observatory Mini-Array Experiment	Penn State University		DOI
3H (2021-2021)	Shasta21	U.S. Geological Survey	—	DOI
ZL (2010-2010)	Shatsky Rise Active Source Experiment OBSIP	Woods Hole Oceanographic Institution (WHOI)		—
ZP (2003-2003)	Shear-Velocity Profile Along the San Gabriel River, Southern CA	University of Nevada Reno		DOI
ZU (2002-2002)	Shear Wave Studies of Hydrate Ridge, Oregon Continental Margin	University of Texas at Austin		—
8N (2021-2023)	SHM Hautbois	Grenoble Alpes University (UGA)	—	—
9E (2000-2030)	Short term noise tests / structural / foundation monitoring at SED, ETHZ	Swiss Seismological Service	Switzerland	DOI
SH	Shumagin-East Aleutian Network	Lamont Doherty Earth Observatory (LDEO), Columbia University		DOI
XJ (1998-1999)	Side Edge of Kamchatka Subduction	IRIS/PASSCAL		DOI
9M (2022-2022)	Sierentz Post-Seismic	University of Strasbourg	—	—
XE (2009-2011)	Sierra Negra Array Galapagos	University of Rochester		DOI
XE (2005-2007)	Sierra Nevada EarthScope Project	EarthScope Transportable Array		DOI
XL (1994-1994)	Sierras Broadband II	IRIS/PASSCAL		DOI
XT (1999-2000)	SIGAR (Kenya)	IRIS/PASSCAL		—
ZD (2021-2022)	SIIOS Flagstaff 2021 Mini Campaign	University of Arizona		DOI
1L (2019-2020)	SIIOS Temporary Deployment	Oregon State University		DOI
ZE (2004-2006)	SIKKIM	University of Cambridge (UK) Earth Sciences	United Kingdom	—
YI (2008-2009)	SIMBAAD-Etransect (Seismic Imaging of the Mantle Beneath the Anatolian-Aegan Domain)	Observatoire de Grenoble, Grenoble		DOI
ZB (2005-2006)	Simeulue	University of Cambridge (UK) Earth Sciences		—
MS	Singapore Seismological Network	Meteorological Service of Singapore		—
SS	SINGLE STATION	Incorporated Research Institutions For Seismology (IRIS)		DOI
ZC (2009-2009)	SINOPROBE-2 Controlled Source	University of Oklahoma (OU)		DOI
5G (2011-2011)	SinoProbe: Northeast China Transect	University of Oklahoma (OU)		DOI
XW (2003-2006)	Siple Coast Antarctica, Microearthquake Project	IRIS/PASSCAL		—
1F (2011-2012)	Sipoholon seismic network for geothermal exploration	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam)		—
3F (2016-2019)	SIR-MIUR Project INSIEME - broadband seismic network in Val d'Agri, southern Italy	CNR IMAA Consiglio Nazionale delle Ricerche (Italy) (CNR IMAA)		DOI
5M (2021-2023)	SISLACQ2021	Observatoire Midi-Pyrenes (OMP France)	—	DOI
OG	Sismalp	Observatoire de Grenoble, Grenoble	France	—
8H (2007-2007)	SISMANTILLES-2	Geoazur (Geoazur)		DOI
6F (2021-2022)	SISMEAUCLIM	Chrono-Environment Laboratory (LCE)	—	—
XA (2010-2010)	Sismic Imaging of the Moroccan Atlas	Institut de Ciencies de la Terra "Jaume Almera" (ICTJA-CSIC)		DOI
ZN (2004-2005)	SISMOVALP	Politecnico Milano	Italy	—
8G (2008-2012)	SISVAR	CEREMA (CEREMA)		—
6B (2016-2016)	Site Effect on Portoviejo City, Ecuador	Escuela Politecnica Nacional-Instituto Geofisico		DOI
ZN (2014-2015)	Site response in the Washington, DC, area	USGS National Center/Reston (United States Geological Survey)		DOI
7B (1993-1996)	SKIPPY	Australian National University (ANU, Australia)		DOI
YC (2000-2002)	Slab Geometry in the Southern Andes	IRIS/PASSCAL		DOI

Network Data API

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