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
ZD (2005-2006) Tides E 2005
ZW (2004-2005) TIPTEQ North
ZK (2003-2007) TOLSTOY
  • Lamont Doherty Earth Observatory, Columbia University (LDEO), United States of America
United States of America
ZA (1996-2000) TOR-TE
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
ZC (1996-1997) TOR-TO
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
ZM (2023-2023) Traintrack monitring with Distributed Acoustic Sensing, Switzerland DOI
ZO (2002-2004) Transalp II
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
ZJ (2012-2015) Transantarctic Mountains Northern Network
ZU (2013-2014) Trans-Haiti
  • University of Southampton, United Kingdom
ZM (2014-2015) UKFLUV14
ZM (2003-2004) Uraban Seismology
ZZ (2015-2016) USGS Puerto Rico Trence
  • Woods Hole Oceanographic Institution (WHOI), United States of America
ZU (2020-2023) USMTArray South Magnetotelluric Time Series
ZI (2022-2025) Utah FORGE Long Term Seismic Borehole Monitoring DOI
ZJ (2017-2017) UTEP Source Test 2017
  • University of Texas at El Paso (UTEP), United States of America
ZK (2008-2008) UWTremTexBS - EarthScope Flex Array
  • University of Washington, United States of America
ZO (2013-2013) Vaigat United Kingdom
ZK (2014-2014) Vatnajokull Icequake and Tremor Array: Lite
  • University of Cambridge Earth Sciences, United Kingdom
Z5 (2016-2016) Vibration measurement at the MROI Inner Beam Combining Area technical slab, instrument optical tables and Delay Line Area
  • New Mexico Tech, United States of America
Z8 (2020-2020) Villarrica_2020 DOI
ZZ (2013-2014) Virginia seismic experiment
  • USGS National Center/Reston, United States of America
ZC (2000-2000) Vogtland
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
ZO (2010-2010) Volcanic stress field analysis using non-local seismic sources at Hekla Volcano, Iceland
  • University of South Florida (USF), United States of America
ZT (2021-2022) Wabash River Flow (WARF) Seismic Experiment
  • Purdue University, United States of America
ZV (2011-2011) Wellington Active Source Transect
  • Victoria University of Wellington, New Zealand
ZA (2014-2022) Wellington, Kansas CO2 Sequestration Monitoring
  • Kansas Geological Survey, United States of America
ZT (2012-2014) WIsconsin, new Zealand, And Rensselaer Deployment
  • University of Wisconsin, Madison, United States of America
ZB (2021-2023) WW
ZF (1997-1998) Yakutia
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
ZS (2023-2023) Zurich-Limmat IRIS DASMonth
  • Swiss Federal Institute of Technology, Zurich (ETHZ), Switzerland

Network Data API

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