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.

Request a new network code
Generate citations for network data

Network Code Network Name Operated By Deployment DOI
XU (2016-2029) USGS NEHRP Proposal 2016-0180 - Greeley
  • University of Colorado
DOI
NC USGS Northern California Network
  • USGS Menlo Park
DOI
MI USGS Northern Mariana Islands Network
  • USGS Alaska Anchorage
DOI
ZZ (2015-2016) USGS Puerto Rico Trence
  • Woods Hole Oceanographic Institution (WHOI)
DOI
XA (2011-2011) Using Fault-Zone Trapped Waves to Document Subsuface Rock Damage Caused by the M6.3 Earthquake in Ne
  • University of Southern California (USC)
DOI
1B (2019-2019) Using passive seismics to determin a glacier sliding law
  • University of Wisconsin, Madison
DOI
XO (2003-2004) US-Japan Collaborative Research: Multi-scale seismic imaging of the Mariana Subduction Factory
DOI
ZU (2020-2023) USMTArray South Magnetotelluric Time Series
  • U.S. Geological Survey
DOI
ZI (2022-2025) Utah FORGE Long Term Seismic Borehole Monitoring DOI
EP UTEP Seismic Network
  • University of Texas at El Paso (UTEP)
ZJ (2017-2017) UTEP Source Test 2017
  • University of Texas at El Paso (UTEP)
DOI
YY (2017-2027) UTPMY
DOI
1U (2018-2022) Uturuncu volcano, Bolivia
  • Cornell University
DOI
ZK (2008-2008) UWTremTexBS - EarthScope Flex Array
  • University of Washington
DOI
UZ Uzbekistan Digital Seismic Network
DOI
ZO (2013-2013) Vaigat United Kingdom
VA VAL D'AGRI NETWORK
DOI
VB Valencian Broadband Seismic Network
DOI
VL Vale SA Network
  • Universidade de Sao Paulo, USP
Brazil DOI
4E (2019-2019) Valles 3C Node Transect
  • University of New Mexico (UNM)
DOI
Y5 (2021-2021) Valles Caldera and Gallina Fault Node Array 2021
  • University of New Mexico
DOI
VU Vanuatu Seismic Network
ZK (2014-2014) Vatnajokull Icequake and Tremor Array: Lite
  • University of Cambridge (UK) Earth Sciences
Y3 (2012-2012) Vaughn-Lewis Icefall Seismicity Project
  • Stanford University
DOI
XM (2004-2004) Vestmanna04 (SeiFaBa Project)
  • University of Cambridge (UK) Earth Sciences
2S (2019-2020) Vestnaesa Ridge
Y9 (2020-2021) Vestnesa Ridge
  • Alfred Wegener Institute (AWI)
Z5 (2016-2016) Vibration measurement at the MROI Inner Beam Combining Area technical slab, instrument optical tables and Delay Line Area
  • New Mexico Tech
DOI
CV Vigil Network, Cape Verde Islands
XB (1977-1982) Viking Mission France
Y4 (2020-2022) Villarrica_2020 DOI
Z8 (2020-2020) Villarrica_2020
  • Boise State University
DOI
ZZ (2013-2014) Virginia seismic experiment
  • USGS National Center/Reston (United States Geological Survey)
DOI
VR Virgo Interferometric Antenna for Gravitational Waves Detection
DOI
ZC (2000-2000) Vogtland
  • GEOFON Program (GFZ-Potsdam, Germany)
Germany
3F (2011-2011) Vogtland2011
  • Universitat Potsdam
DOI
YO (2009-2009) Volacano Geophysics Field Course and Digital Signal Processing at Tungurahua, Ecuador
DOI
XZ (2016-2017) Volatile recycling at the Lesser Antilles Arc: Processes and consequences
DOI
ZO (2010-2010) Volcanic stress field analysis using non-local seismic sources at Hekla Volcano, Iceland
  • University of South Florida (USF)
DOI
XP (2014-2014) VOLCARRAY
DOI
VN Voronezh Regional Seismic Network of the Russian Federation
  • Voronezh Laboratory of the Geophysical Survey of the Russian Academy of Sciences
DOI
X6 (2017-2017) Vp/Vs 30 Refraction Survey of the Palisadoes Tombolo in Kingston, Jamaica
  • Southern Methodist University
DOI
XU (1993-1993) VSP at Hole 504
  • Woods Hole Oceanographic Institution (WHOI)
DOI
XO (2021-2022) Vuache
  • Universite de Savoie (LGIT-ISTERRE-France)
DOI
XO (2023-2033) WA Array DOI
ZT (2021-2022) Wabash River Flow (WARF) Seismic Experiment
  • Purdue University
DOI
XM (1995-1996) Wabash Valley Array Study
DOI
6E (2013-2016) Wabash Valley Seismic Zone
  • Southern Illinois University Carbondale (SIUC)
DOI
WK Wake Island Hydrophone Array United States of America
1M (2021-2022) Walker Ranch Nodal Seismic Array
  • U.S. Geological Survey
DOI

Network Data API

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