International Federation of Digital Seismograph Networks
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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
Y8 (2022-2026) AdriaArray Temporary Network: Bulgaria, Moldova, Poland, Romania, Ukraine
  • Aarhus University (AU), Denmark
  • Department of Earth Sciences, Uppsala University
  • Department of Seismic Activity of Carpathian area (Lviv), Institute of Geophysics by S.I. Subbotin, National Academy of Sciences of Ukraine
  • Institute of Earth Sciences, University of Silesia
  • Institute of Geology and Seismology, Moldavian Academy of Sciences
  • Institute of Geophysics, Czech Academy of Sciences
  • Institute of Geophysics, Polish Academy of Sciences (IGF PAN), Poland
  • Institute of Geophysics, University of Warsaw
  • Institute of Rock Structure and Mechanics of the Czech Academy of Sciences
  • Institute of Seismology, Department of Geosciences and Geography, University of Helsinki
  • National Institute for Earth Physics (NIEP), Romania
  • National Institute of Geophysics, Geodesy and Geography, Bulgarian Academy of Sciences
  • Sodankylä Geophysical Observatory, University of Oulu
  • Sofia University “St. Kliment Ohridski”
  • Technische Universität Bergakademie Freiberg
 — DOI
Y9 (2007-2008) Tocopilla
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
DOI
Y9 (2009-2014) Guerrero Gap Experiment (Mexico)
  • Observatoire de Grenoble, Grenoble, France
DOI
Y9 (2016-2019) Rapid response for fairview aftershock in Oklahoma
  • University of Oklahoma (OU), United States of America
DOI
Y9 (2020-2021) Vestnesa Ridge
  • Alfred Wegener Institute (AWI), Germany
 — DOI
Y9 (2022-2025) Amplify EGS Monitoring Network — DOI
YA (1998-2000) Crustal Structure of Coso Geothermal Field, California
DOI
YA (2001-2001) Bhuj Aftershock Study
—
YA (2003-2004) Collaborative research in Eastern Tibet: Evolution and dynamics of the crust and mantle, and surface topography.
DOI
YA (2005-2005) Torfajokull 2005
  • Nordic Volcanological Institute (NORDVULK), Iceland
—
YA (2006-2007) Transylvanian Basin Attenuation and Anisotropy Deployment
  • University of Florida, United States of America
—
YA (2008-2008) HLP-3
  • Stanford University, United States of America
—
YA (2009-2011) Undervolc
  • Observatoire de Grenoble, Grenoble, France
DOI
YA (2012-2013) Dynamics of the Lake Kivu System
  • University of Rochester, United States of America
DOI
YA (2014-2015) Fuego Volcano VLP and tilt experiment Continued
  • Michigan Technological University (MTU), United States of America
—
YA (2016-2016) Yucca Valley Seismic Experiment
  • USGS Menlo Park, United States of America
DOI
YA (2017-2019) Back-arc rifting in New Zealand
  • Tulane University (TU), United States of America
DOI
YA (2020-2020) Southern San Andreas Fault Zone
  • University of California San Diego
DOI
YA (2021-2022) Infrasound measurements at Wind Turbines in Germany
  • Federal Institute for Geosciences and Natural Resources (BGR), Germany
 — DOI
YA (2023-2025) Eastern Anatolian Fault Zone Afershock Deployment for the
  • University of Missouri (MU), United States of America
DOI
YB (1996-1997) Black Thunder Mine
DOI
YB (1998-1999) Broad Band Array Study in South Africa
DOI
YB (2000-2001) Central Zagros 2001 transect
DOI
YB (2003-2003) Puerto Plata, Dominican Republic Aftershock Study - RAMP
DOI
YB (2004-2004) Cavola a Broadband Dense Array on a Landslide
DOI
YB (2005-2006) Mount Saint Helens Dense Array
  • USGS Menlo Park, United States of America
DOI
YB (2007-2007) Trichonis Lake network
  • University of Patras, Greece
DOI
YB (2008-2008) Fuego 2008
  • Michigan Technological University (MTU), United States of America
DOI
YB (2009-2009) Batholiths Controlled Source
  • Virginia Polytechnic Institute and State University (Virginia Tech), United States of America
DOI
YB (2010-2010) Haiti Earthquake Aftershock Experiment
DOI
YB (2011-2012) Faroe Islands Passive Seismic Experiment
—
YB (2013-2015) Continental Dynamics/Central Anatolian Tectonics: Surface to mantle dynamics during collision to escape
  • University of Missouri (MU), United States of America
DOI
YB (2016-2016) Evolution of Slow-Spreading Oceanic Crust: South Atlantic
  • Texas A&M University, United States of America
DOI
YB (2017-2017) Yosemite Valley Deep Refraction Microtremor
DOI
YB (2018-2021) Deep Fault Structure Beneath the Mojave from a High Density, Passive Seismic Profile
  • University of Texas at Austin, United States of America
DOI
YB (2022-2022) GOLDFINGER — DOI
YB (2023-2025) Eastern Anatolian Fault Zone Afershock Deployment for the
  • University of Missouri (MU), United States of America
DOI
YC (1999-1999) Osa Penninsula, Costa Rica
—
YC (2000-2002) Slab Geometry in the Southern Andes
DOI
YC (2003-2003) Eastern Oregon Mantle Experiment
DOI
YC (2004-2005) RABID
  • British Antarctic Survey (BAS), United Kingdom
 United Kingdom —
YC (2006-2010) Partnership in Research and Education in Volcanology
  • University of Alaska, Fairbanks (UAF), United States of America
DOI
YC (2011-2012) RAMP Virginia
  • IRIS PASSCAL Instrument Center @ New Mexico Tech, United States of America
DOI
YC (2013-2017) Texas Brine Corporation Louisiana Seismic Network
—
YC (2018-2020) Northern Borneo Orogeny Seismic Survey
DOI
YC (2021-2021) Seismic monitoring of the Muldrow Surge
  • University of Alaska Fairbanks
DOI
YC (2022-2027) Tonga Temporary Seismic Monitoring Network — DOI
YD (1999-2000) Koacelli, Turkey — —
YD (2003-2006) Calabria-Appennine-Tyrrhenian/Subduction-Collision-Accretion Network
DOI
YD (2007-2007) Toward Understanding Eruption Seismicity: Multidiscplinary Experiment at Santiaguito and Fuego Volcanos, Guatemala
  • University of New Hampshire (UNH), United States of America
DOI

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