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
7X (2022-2023)	LU contribution to _EIFEL-LNX	European Center for Geodynamics and Sesimology (ECGS), Luxembourg	—	DOI
7W (2022-2023)	VECTOR seismic array in the Irish Midlands	GEOFON Program (GFZ-Potsdam, Germany), Germany	—	DOI
7V (2022-2025)	San Jacinto FaultScan Project	UC San Diego, United States of America	—	DOI
7V (2019-2019)	GEODES Hawaii Active Seismic Experiment 2019	University of Maryland		DOI
7U (2022-2023)	SPRESSO South Pole Distributed Acoustic Sensing	California Institute of Technology (CIT), United States of America		DOI
7U (2019-2021)	Thwaites Margins Seismic Broadband	University of Oklahoma (OU), United States of America		DOI
7U (2007-2008)	SEAL3	Australian National University (ANU), Australia		DOI
7T (2023-2025)	Greenland SLIDE project: passive seismic network	University of Sheffield, United Kingdom	—	DOI
7T (2022-2022)	Quantification and identification of erosion processes leading to the retreat of headwall in high alpine environment	INSTAAR, CU Boulder		DOI
7T (2019-2020)	LHS	China University of Geosciences (CUG CUGB), China	—	DOI
7T (2007-2007)	SEAL2	Australian National University (ANU), Australia		DOI
7S (2022-2023)	Nodal Deployment for the Elgin-Lugoff South Carolina earthquake swarm	Georgia Institute of Technology-Georgia Tech (EAS), United States of America	—	DOI
7S (2019-2021)	Dense Westland Arrays Researching Fault Segmentation: What controls earthquake segmentation along New Zealand's Alpine Fault?	GNS Science (IGNS), New Zealand		DOI
7S (2006-2007)	SETA	Australian National University (ANU), Australia		DOI
7R (2022-2024)	Geophysical Habitat of Subglacial Thwaites	Central Washington University, United States of America		DOI
7R (2018-2019)	Southern Oklahoma Aulacogen MT Survey	University of Alberta, Canada	—	DOI
7R (2005-2006)	EVA	Australian National University (ANU), Australia		DOI
7Q (2024-2025)	Seismic Investigation of the Scotian Margin	National Facility for Seismological Investigations (NFSI), Canada	—	DOI
7Q (2023-2023)	Greenland Ice Drilling for Climate History; site selection	Penn State		DOI
7Q (2021-2022)	P- and S-wave survey of landslide	Lawrence Berkeley National Lab (LBL), United States of America		DOI
7Q (2019-2020)	RAPID: Capturing aftershock sequence of 2019 Mw 6.4 Ridgecrest and 7.1 Ridgecrest earthquakes	University of California, Riverside (UCR), United States of America		DOI
7Q (2004-2005)	SEAL	Australian National University (ANU), Australia		DOI
7P (2023-2024)	TIME_NODES Phase III (formerly Thwaites Margins)	University of Oklahoma (OU), United States of America		DOI
7P (2021-2022)	Einstein Telescope Sardinia Temporary Seismic Arrays	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy	—	—
7P (2018-2020)	Investigating West Texas Seismicity and Structure with Dense Geophone Arrays	University of Texas at El Paso (UTEP), United States of America	—	DOI
7P (2002-2002)	TIGGER SP	Australian National University (ANU), Australia		DOI
7O (2018-2025)	New England Seismic Transect	Yale University, United States of America		DOI
7O (2000-2000)	AF00	Australian National University (ANU), Australia		DOI
7N (2023-2024)	Eastwind Glacier Geophysical Surveys ON Top of Antarctic Ice Shelf Transition, Phase II	University of Texas at El Paso (UTEP), United States of America		DOI
7N (2018-2022)	Arraiolos	Institute of Earth Sciences, University of Evora (ICT-UE), Portugal		DOI
7N (1999-1999)	MB99	Australian National University (ANU), Australia		DOI
7M (2025-2025)	MACIV nodal Arrays	ISTerre (ISTERRE), France	—	—
7M (2023-2024)	SAFE: OBS and DAS acquisition off the coast of Estepona (Spain)	Institute of Marine Sciences (ICM), Spain	—	DOI
7M (2022-2022)	SAGE 2022 investigations of the Valles Caldera - Node	IRIS/PASSCAL		DOI
7M (2021-2021)	Temporary seismic network in the urban area of Rome city (Central Italy)	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy	—	DOI
7M (2019-2020)	Storfjorden	University of Bergen (UiB Norway), Norway		DOI
7M (2014-2018)	Capricorn Orogen Passive-source Array	Macquarie University, Australia	—	DOI
7M (1998-1998)	LF98	Australian National University (ANU), Australia		DOI
7L (2020-2025)	DAMAST (Dams and Seismicity)	Karlsruhe Institute of Technology (KIT GPI), Germany		—
7L (2019-2019)	Soil Soundscape from Seismic Arrays at Golden Gate (Tennessee Valley): GPR extension	IRIS PASSCAL Instrument Center		—
7L (2017-2018)	Strokkur_1yr	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam), Germany		DOI
7L (2016-2016)	Taupo temporary infrasound network - May 3, 2016	GNS Science (IGNS), New Zealand	—	DOI
7L (2011-2013)	EAL3	Australian National University (ANU), Australia		DOI
7K (2024-2025)	CAREER: A comprehensive seismic investigation to the crust and uppermost mantle beneath the South Pole, East Antarctica	Stony Brook University		DOI
7K (2020-2023)	Oreo Earth Flow	University of California, Santa Cruz (UCSC), United States of America		DOI
7K (2018-2019)	AtlanticNoise	Woods Hole Oceanographic Institution (WHOI), United States of America		DOI
7K (2014-2017)	Peru Coastal Seismic Data	Liverpool University, United Kingdom		DOI
7K (2007-2008)	SOC - Southern Craton	Australian National University (ANU), Australia		DOI
7J (2016-2030)	InSight pre and post-flight synthetic data	Institut de Physique du Globe de Paris (IPGP), France		—
7J (2013-2015)	Poker Flat Permafrost Seismic Interferometry Experiment	Sandia National Laboratories, United States of America		DOI

Network Data API

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