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
ZT (2003-2004) Testing of a Deep-Water, Acoustically-Linked, Moored- Buoy Seafloor Observatory
  • IRIS HQ, United States of America
—
3L (2010-2023) Testing of the effectiveness of incorporating seismic data in seismic hazard assessment within a traditional field course
  • University of Indiana
DOI
2G (2010-2015) Testing of the effectiveness of incorporating seismic data in seismic hazard assessment within a traditional field course
  • Indiana University Bloomington (IU Bloomington), United States of America
DOI
YE (2011-2025) Testing TA & FA vaults and directly buried sensor (3T)
  • IRIS PASSCAL Instrument Center @ New Mexico Tech, United States of America
DOI
8F (2017-2017) Test study to detect moisture in a Playa lake bed
  • Texas Tech University, United States of America
DOI
YZ (2022-2022) Tete Rousse — DOI
YC (2013-2017) Texas Brine Corporation Louisiana Seismic Network
—
ZZ (2017-2018) Texas-Geothermal Seismic Exploration and Monitoring Via Ambient Seismic Noise Interferometry
—
X4 (2010-2014) Texas Gulf Coastal Plain, USA
DOI
4T (2018-2099) Texas Seismological Network
DOI
2T (2018-2099) Texas Temporary Arrays
DOI
XB (2024-2025) The Caucasus Seismic Network: The Uplift and Structure of the Greater and Lesser Caucasus
  • University of Missouri (MU), United States of America
 United States of America —
XA (2017-2023) The Caucasus Seismic Network: The Uplift and Structure of the Greater and Lesser Caucasus
  • University of Missouri (MU), United States of America
DOI
XY (2017-2017) The Central Iberian Mountain Range a Key Asset to the Deformation Mechanisms of Iberia
DOI
ZA (2006-2008) The Colima Deep Seismic Experiment: Imaging the Magmatic Root of Colima Volcano
  • University of Alaska, Fairbanks (UAF), United States of America
DOI
XR (2001-2002) The Florida to Edmonton Broadband Experiment
DOI
XF (2020-2020) The GEYER seismic network — DOI
ZK (2021-2023) The Irpinia seismic Array — DOI
3P (2017-2021) Theistareykir monitoring network — DOI
YS (2009-2013) The life cycle of Andean volcanoes:Combining space-based and field studies
  • Cornell University, United States of America
DOI
7C (2015-2019) The Mackenzie Mountains Transect: Active Deformation from Margin to Craton
  • Colorado State University (CSU), United States of America
DOI
YK (2023-2023) The Milun fault Drilling and All-inclusive Sensing (MiDAS) project — DOI
6O (2016-2025) The Ohio State University School of Earth Sciences FanQuakes Project
DOI
XO (1997-1999) The Origins of Mantle Anisotropy beneath Eastern North America
  • Brown University, United States of America
DOI
5J (2014-2016) The Sardinia Passive Array Experiment (SPAE)
DOI
XJ (1997-1997) The Sierran Paradox Experiment
DOI
ZS (2017-2020) The SWATH
DOI
ZH (2020-2020) The Valencia-Islalink Distributed Acoustic Sensing Experiment
  • University of Michigan, United States of America
 — DOI
5F (2022-2022) The Xinfengjiang (XFJ) Water Reservoir Distributed Acoustic Sensing Experiment — DOI
ZD (2020-2020) ThunderSeis Seismo-Acoustic Network
  • Universitat Wien (University of Vienna), Austria
DOI
5V (2022-2023) Thwaites Eastern Ice Shelf Daggers and Pinning Point Shear Zone
  • Oregon State University
DOI
7U (2019-2021) Thwaites Margins Seismic Broadband
  • University of Oklahoma
DOI
XC (1991-1992) Tibetan Plateau Passive-Source Experiment
DOI
XE (2008-2008) TICO-CAVA
  • Woods Hole Oceanographic Institution (WHOI), United States of America
 United States of America —
ZF (2005-2006) Tidal modulation of ice stream flow, Tides
DOI
ZH (2004-2004) Tidal modulation of ice stream flow, Tides B Grounding Line
DOI
ZG (2004-2004) Tidal modulation of ice stream flow, Tides B Upstream
DOI
YX (2003-2004) Tides — —
ZD (2005-2006) Tides E 2005
—
YO (2010-2011) Tidewater glacier and ice marginal dynamic behavior
  • USACE - Cold Regions Research and Engineering Laboratory (CRREL), United States of America
DOI
XW (2024-2024) Tierra Grande Nodal Deployment
DOI
7H (2001-2002) TIGGER BB
DOI
7P (2002-2002) TIGGER SP
DOI
6L (2022-2023) TIME_NODES Phase II (formerly Thwaites Margins)
  • University of Oklahoma (OU), United States of America
DOI
7P (2023-2024) TIME_NODES Phase III (formerly Thwaites Margins)
  • University of Oklahoma
DOI
2N (2018-2018) TIME Tornillo, Texas Shot Testing I
  • University of Texas at El Paso (UTEP), United States of America
 — DOI
7B (2008-2010) TIPAGE
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
DOI
ZW (2004-2005) TIPTEQ North
DOI
X4 (2004-2005) TIPTEQ-Seismology (South)
  • Universitat Potsdam, Germany
—
6C (2013-2014) TIPTIMON AFGHANISTAN
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
DOI

Network Data API

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