Network Codes

The following network codes are assigned by the FDSN archive (IRIS DMC) to provide uniqueness to seismological data streams.

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Network Code	Network Name	Operated By	Deployment	DOI
4A (2008-2008)	Investigating mechanisms of subglacial hydrology and basal shear stress beneath Whillans Ice Stream using passive seismology	UC Santa Cruz	United States of America	DOI
4A (2009-2009)	Emersito Seismic Network for Site Effect Studies in L'Aquila town (Central Italy)	Istituto Nazionale di Geofisica e Vulcanologia (INGV)	Italy	DOI
4A (2010-2011)	Darfield RAMP Aftershock Deployment, NZ	University of Wisconsin, Madison	United States of America	DOI
4A (2012-2014)	Pollino Seismic Experiment	GEOFON Program (GFZ-Potsdam, Germany)	Germany	DOI
4A (2016-2019)	SP Crater Network	Northern Arizona University (NAU AEIC Arizona)	United States of America	DOI
4B (2008-2009)	TASK FORCE KIRGISTAN	GEOFON Program (GFZ-Potsdam, Germany)	Germany	—
4B (2010-2015)	Raft River EGS	Lawrence Berkeley Laboratory (LBNL, CA USA)	United States of America	—
4B (2016-2018)	ANR-Remake Quito basin	CEREMA (CEREMA)	France	DOI
4B (2019-2020)	iTarg3T	Institute Earth Sciences "Jaume Almera" CSIC (ICTJA Spain)	Spain	DOI
4C (2005-2010)	Semipalatinsk Test Site Network	Inst. of Geophysical Research National Nuclear Center of Republic of Kazakhstan	Kazakhstan	—
4C (2011-2014)	NERA-JRA1-A	Observatoire de Grenoble, Grenoble	France	—
4C (2015-2015)	GeoGirls outreach experiment at Mount St. Helens	USGS Vancouver WA	United States of America	—
4C (2017-2019)	TIPTIMON AFGHANISTAN 2	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam)	Germany	DOI
4D (1985-2009)	Seismological Experiments on Swiss Glaciers	Swiss Seismological Service	Switzerland	DOI
4D (2010-2011)	Parkfield Experiment to Record Microseismicity and Tremor	Karlsruhe Institute of Technology (KIT GPI Germany)	Germany	—
4D (2012-2020)	Swiss temporary deployments on glaciers	Swiss Seismological Service	Switzerland	DOI
4E (2010-2011)	MARS/Testing of cabled broadband OBS using MARS test facility	UC San Diego	United States of America	—
4E (2015-2016)	Field Research Station broadband seismometer network	University of Bristol (UK)	United Kingdom	DOI
4E (2018-2018)	Raton 3C Nodes 2018	University of New Mexico (UNM)	United States of America	DOI
4E (2019-2019)	Valles 3C Node Transect	University of New Mexico (UNM)	—	DOI
4F (2007-2011)	Askja 2007	University of Cambridge (UK) Earth Sciences	United Kingdom	—
4F (2013-2014)	Temp-CNCH	Escuela Politecnica Nacional-Instituto Geofisico	Chile	DOI
4F (2015-2021)	North Texas Earthquake Study: Venus (Johnson County), TX	Southern Methodist University (SMU TX)	United States of America	DOI
4G (2007-2025)	EMSO-MOMAR	Institut de Physique du Globe de Paris	France	—
4H (2011-2012)	Nabro Urgency Array	Birkbeck, University of London	United Kingdom	DOI
4H (2014-2017)	Oklahoma State University Seismic Network	Oklahoma State University (OSU USA)	United States of America	DOI
4H (2018-2021)	Mulhouse Seismo Citizen	University of Strasbourg (Unistra)	France	—
4J (2014-2016)	AQ3 SW Queensland and NW New South Wales	Australian National University (ANU, Australia)	Australia	DOI
4J (2017-2024)	Bioko Seismic Network	Drexel University	United States of America	DOI
4K (2014-2016)	UAE transects across the Semail Ophiolite	Khalifa University	United Arab Emirates	DOI
4K (2017-2022)	Ruegen Cliff Observatory	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam)	Germany	—
4S (2018-2018)	STAK	University of East Anglia (UEA)	United Kingdom	DOI
4T (2018-2019)	Texas Seismological Network	Bureau of Economic Geology, The University of Texas at Austin (BEG UTEXAS)	United States of America	DOI

33 networks

Network Data API

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