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
3M (2013-2016)	Australia-Indonesia Tectonics Observatory 2013-2016	Australian National University (ANU), Australia		DOI
3L (2024-2024)	Volunteer Teaching Faculty for the Juneau Icefield Research Program	Polar		DOI
3L (2010-2023)	Testing of the effectiveness of incorporating seismic data in seismic hazard assessment within a traditional field course	University of Indiana		DOI
3K (2023-2025)	MOSAICMO Seismic Network in Molise-Sannio region, Italy	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy	—	—
3K (2022-2022)	Sao Jorge 2022	Instituto Dom Luiz (FCUL formerly CGUL-LX Portugal) (IDL), Portugal	—	—
3K (2021-2021)	Noise Field Characterisation at UCD Campus	Dublin Institute for Advanced Studies (DIAS), Ireland University College Dublin (UCD), Ireland	—	—
3K (2016-2019)	TROODOS: Tomography and Receiver function Observations of an Ophiolite using Data Obtained from Seismology	Imperial College London, United Kingdom		DOI
3K (2014-2015)	Acehseis	Syiah Kuala University, Indonesia	—	—
3J (2023-2025)	Interactions between the Tonga-Lau subduction system and the Samoan plume	Woods Hole Oceanographic Institution (WHOI), United States of America		—
3J (2021-2022)	Basal conditions of Malaspina Glacier	University of Alaska Fairbanks		DOI
3J (2019-2019)	RAMP deployment of 3C nodal for July Searles Valley 2019 Earthquake	UC Santa Barbara, United States of America		DOI
3J (2016-2018)	Broadband Array in Longmenshan Seismic Gap	Chengdu University of Technology (CDUT), China Chinese Academy of Science, Inst. of Geodesy and Geophysics, China		DOI
3J (2013-2015)	HIRE-II	GEOFON Program (GFZ-Potsdam, Germany), Germany		DOI
3J (2011-2012)	Deep OCean Test ARray DOCTAR (OBS part)	University of Potsdam (UP), Germany	—	—
3I (2020-2030)	French Landslide Observatory – OMIV - Temporary data NODES	ISTerre (ISTERRE), France	—	—
3H (2023-2024)	An Open Access Experiment to Seismically Image Galapagos Plume-Ridge Interaction	whoi.edu		DOI
3H (2022-2022)	Rainier_2022	University of Oregon, United States of America		DOI
3H (2021-2021)	Shasta21	United States Geological Survey (USGS), United States of America	—	DOI
3H (2018-2020)	Monchique	Instituto Dom Luiz (FCUL formerly CGUL-LX Portugal) (IDL), Portugal		—
3H (2017-2017)	Indian Heaven 2017	University of Arizona, United States of America	United States of America	—
3H (2016-2016)	Renland	ISTerre (ISTERRE), France		DOI
3H (2014-2015)	Crustal Seismicity along for the Southern Andes Volcanic Zone	GEOMAR, Germany		DOI
3H (2011-2013)	OSISEC : Seismological Observation of the Ecuadorian Subduction Zone	Geoazur (Geoazur), France		DOI
3H (2010-2010)	INGV Temporary Seismic Network for Fermo and Macerata area 2010 (Central Italy)	Istituto Nazionale di Geofisica e Vulcanologia	—	DOI
3H (2009-2009)	Norcia basin (Italy) temporary network	GEOFON Program (GFZ-Potsdam, Germany), Germany		DOI
3G (2024-2025)	Monzón baseline	Lithica SCCL (Lithica), Spain	—	DOI
3G (2021-2023)	Olympics 2021	USGS Menlo Park, United States of America	—	DOI
3G (2018-2019)	Marla Line	Australian National University (ANU), Australia		DOI
3G (2007-2016)	TÜBITAK Marmara Research Center Earth Sciences Institution Network	TÜBITAK Marmara Research Center (MRC Turkey), Türkiye		DOI
3F (2023-2024)	GREENest	Universidad de Salamanca (USAL), Spain	—	DOI
3F (2020-2022)	Macquarie Ridge	Australian National University (ANU), Australia	—	DOI
3F (2016-2019)	SIR-MIUR Project INSIEME - broadband seismic network in Val d'Agri, southern Italy	Consiglio Nazionale delle Ricerche (CNR IMAA), Italy		DOI
3F (2013-2014)	HUMMING WOMBAT	Weston Geophysical Corp, United States of America		DOI
3F (2011-2011)	Vogtland2011	Universitat Potsdam, Germany	—	DOI
3F (2010-2010)	USGS flume seismic monitoring	USGS Vancouver WA, United States of America		DOI
3E (2022-2024)	Islands of the Four Mountains 2022-23	Carnegie Institution for Science (CIS), United States of America	—	DOI
3E (2018-2018)	Experiment in Fuego	University of Liverpool, United Kingdom		DOI
3E (2016-2016)	Yasur Volcano Temporary Deployment, Summer 2016	University of Alaska, Fairbanks (UAF), United States of America		DOI
3E (2015-2015)	Crustal Magma Plumbing of the Santorini Volcanic System - Land Component	University of Oregon, United States of America		DOI
3E (2012-2014)	Mauritius Seismic Land Station	Institute for Geosciences - Goethe University, Germany		DOI
3E (2010-2011)	Exploring Seismic Velocity of Sediments in the Mississippi Embayment	University of Memphis, CERI, United States of America		DOI
3D (2021-2025)	INGV temporary network for seismic monitoring of the island of Vulcano to increase volcanic activity (Sicily, Italy)	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy	—	DOI
3D (2018-2019)	Raspberry Pi Enhanced Reftek (RaPiER) Ambient Seismic Noise Interferometry 2	Baylor University, United States of America		DOI
3D (2014-2016)	HART Pisagua Earthquake	GEOFON Program (GFZ-Potsdam, Germany), Germany		DOI
3D (2010-2013)	Morocco-Muenster	Westfalische Wilhelms-Universitat Munster (WWU), Germany		DOI
3C (2022-2025)	Modeling, Uplift, Seismology, and Igneous-geochemistry in the Colombian Andes	Carnegie Institution for Science (CIS), United States of America		DOI
3C (2019-2021)	M5 Le Teil 20191111 PostSeismic	ISTerre (ISTERRE), France		DOI
3C (2017-2018)	NZ3D FWI	Imperial College London, United Kingdom		DOI
3C (2016-2016)	Indio Ranch	University of Texas at El Paso (UTEP), United States of America		DOI
3C (2014-2014)	Arizona Rapid Array Array Mobilization Program	Arizona Geological Survey, United States of America		DOI

Network Data API

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