International Federation of Digital Seismograph Networks

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
YI (2017-2017) Mount St. Helens 3C Node Array
  • University of New Mexico (UNM), United States of America
DOI
YB (2005-2006) Mount Saint Helens Dense Array
  • USGS Menlo Park, United States of America
DOI
YU (2004-2005) Mount Saint Helens Broadband
  • University of Memphis, CERI, United States of America
United States of America
Y8 (2016-2021) Monitoring Entiat Earthquakes in Chelan County, Washington
  • Washington State Department of Natural Resources, United States of America
DOI
YO (2008-2008) Mogul west Reno
DOI
YT (2003-2003) MOBAL 03
DOI
YM (2023-2023) Mines Geophysics Field Camp 2023
DOI
YF (1999-2002) Midsea - Mantle Investigation of the Deep Suture between Eurasia and Africa
  • Eidgendssisch Technische Hochschule - Swiss Seismological Service (ETH), Switzerland
DOI
YW (2013-2015) MIDGE: Minimally Invasive Direct Glacial Exploration of Biogeochemistry, Hydrology and Glaciology of Blood Falls, McMurdo Dry Va
  • University of Alaska, Fairbanks (UAF), United States of America
DOI
YY (2012-2012) Mendenhall Glacier Outburst Flood Seismicity and Next-Generation Instrument Testing
  • UC Santa Cruz, United States of America
DOI
Y8 (2007-2007) MDS-AKA Kirkland and MDS
  • New Mexico Tech, United States of America
YL (2019-2019) Mayagüez Amplification and Site Response Pilot Study
  • University of Puerto Rico/Mayaguez Campus (UPRM), Puerto Rico
DOI
YY (2003-2004) Mariana Subdction Factory Experiment
  • Washington University in St. Louis (WUSTL), United States of America
YP (2017-2018) Margin Afar
DOI
YL (2021-2022) MangyStaU ARray (MSUAR) Feasibility Study
  • Michigan State University (MSU), United States of America
DOI
YQ (2009-2011) Lincoln Noise Study
  • University of Leicester (SEIS UK), United Kingdom
DOI
Y1 (2010-2012) Libris
  • Institut des Sciences de la Terre, France
France
YX (2013-2015) Lhasa Block Top to Bottom--Lithospheric Evolution of Asia’s Leading Edge
  • Lehigh University, United States of America
YL (2009-2011) Lau Basin OBS Experiment
  • Woods Hole Oceanographic Institution (WHOI), United States of America
YK (2022-2022) Large High-Performance Outdoor Shake Table Upgrade Project - Characterization Tests DOI
YL (2023-2023) Landslide Monitoring via Distributed Acoustic Sensing DOI
YQ (2024-2025) Lake basin seismic response measurements for Lake Skilak, Alaska
  • USGS
DOI
YH (2008-2009) LaBarge Experiment
  • University of Arizona, United States of America
DOI
YL (2000-2000) KTB 2000 Fluid Injection Experiment
  • Eidgendssisch Technische Hochschule - Swiss Seismological Service (ETH), Switzerland
YY (2009-2011) KRAFLA-09
  • University of Cambridge Earth Sciences, United Kingdom
YD (1999-2000) Koacelli, Turkey
YR (2022-2025) Kerguelen seismic network DOI
YQ (2003-2003) Katla 2003
  • Nordic Volcanological Institute (NORDVULK), Iceland
Y2 (2015-2016) Islands of the Four Mountains 2015-16
DOI
YW (2016-2016) IRIS Community Wavefield Experiment in Oklahoma
  • IRIS HQ, United States of America
DOI
YT (2007-2025) IPY POLENET-Antarctica: Investigating links between geodynamics and ice sheets
  • Washington University in St. Louis (WUSTL), United States of America
DOI
YK (2003-2018) Investigation of Crustal Structure and Site Response in the San Francisco North Bay
  • USGS Menlo Park, United States of America
DOI
YM (2024-2025) INGV temporary seismic network on the Pantelleria Island (Italy)
YD (2018-2018) INGV SISMIKO Emergency Seismic Network for Molise-Italy
DOI
YA (2021-2022) Infrasound measurements at Wind Turbines in Germany
  • Federal Institute for Geosciences and Natural Resources (BGR), Germany
DOI
YJ (2010-2014) Infrasound From Earthquakes: Signal Characteristics and Depth Discrimination
DOI
YH (1999-2003) Imaging Galapagos Upwelling & Neotectonics of the Archipelago
DOI
YV (2019-2020) Hydraulic Fracturing Test Site-Enhance Oil Recovery
DOI
YR (1999-2002) Horn of Africa (Ethiopa, Yemen) broad-band experiment
  • Institut de Physique du Globe de Strasbourg (IPGS), France
DOI
YA (2008-2008) HLP-3
  • Stanford University, United States of America
YQ (2001-2002) Himalaya Tectonic
YL (2001-2002) Himalayan Seismotectonics, Nepal and Tibet
DOI
YH (2014-2015) Hikurangi Ocean Bottom Investigation of Tremor and Slow Slip
  • University of Texas at Austin, United States of America
DOI
YS (2022-2022) High-­resolution imaging of the crustal-­scale structure of the Central Pyrenees and role of Variscan inheritance on its geodynamic evolution
DOI
YT (2006-2006) Herdubreid 2006
  • University of Cambridge Earth Sciences, United Kingdom
YB (2010-2010) Haiti Earthquake Aftershock Experiment
DOI
Y9 (2009-2014) Guerrero Gap Experiment (Mexico)
  • Observatoire de Grenoble, Grenoble, France
DOI
Y2 (2012-2012) Green County Observation
  • University of Pittsburgh (Pitt), United States of America
Y4 (2023-2023) Graz Inner City Global DAS '23 Experiment DOI
YZ (2024-2030) Gotthard Highway Tunnel Baseline Seismic Monitoring Network, Switzerland
  • Eidgendssisch Technische Hochschule - Swiss Seismological Service (ETH), Switzerland
DOI

Network Data API

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