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 (requires login)
Generate citations for network data

Network Code Network Name Operated By Deployment DOI
XN (2022-2023) TANGO-Node
  • University of Arizona, United States of America
DOI
XN (2024-2024) GUANCHE 2024 OBS network DOI
XO (1995-1995) CINCA95
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
XO (1996-1996) ANCORP96-AN
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
Germany
XO (1997-1999) The Origins of Mantle Anisotropy beneath Eastern North America
  • Brown University, United States of America
DOI
XO (2000-2001) Santa Clara Valley 2000
  • USGS Menlo Park, United States of America
DOI
XO (2003-2004) US-Japan Collaborative Research: Multi-scale seismic imaging of the Mariana Subduction Factory
DOI
XO (2005-2005) Eastern Black Sea Seismic Experiment
  • University of Southampton, United Kingdom
XO (2006-2006) NOISY
  • Stanford University, United States of America
United States of America
XO (2007-2009) INDEPTH IV
  • University of Cambridge Earth Sciences, United Kingdom
DOI
XO (2010-2010) Deep Fault Drilling Project, Alpine Fault, New Zealand: Whataroa-Wanganui Passive Seismology Experiment 2010
  • Victoria University of Wellington, New Zealand
DOI
XO (2011-2015) Ozark Illinois Indiana Kentucky (OIINK) Flexible Array Experiment
  • Indiana University Bloomington (IU Bloomington), United States of America
DOI
XO (2016-2017) Seismic Network for Site Effect Studies in Amatrice Area (Central Italy)
DOI
XO (2018-2019) AACSE: Alaska Amphibious Community seismic Experiment
  • Cornell University, United States of America
DOI
XO (2020-2020) Determination of the deep shear wave velocity structure of northwestern Washoe Valley
DOI
XO (2021-2022) Vuache
  • Universite de Savoie (LGIT-ISTERRE), France
DOI
XP (1994-1995) High resolution experiment along the Hikurangi subduction zone in New Zealand, Taupo Volcanic Zone
DOI
XP (1998-1998) TaskForce Adana 1998
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
XP (2000-2004) A Broadband Seismic Investigation of Deep Continental Structure Across the East-West Antarctic Boundary
DOI
XP (2005-2007) Discrete vs. Continuous Continental Deformation and the Role of the Lower Crust in the Tien Shan
DOI
XP (2008-2009) Colorado Rockies Experiment and Seismic Transect
  • New Mexico Tech, United States of America
DOI
XP (2010-2013) Investigating the relationship between pluton growth and volcanism at two active intrusions in the central Andes
  • University of Alaska, Fairbanks (UAF), United States of America
DOI
XP (2014-2014) VOLCARRAY
DOI
XP (2015-2019) Seismic Experiment for Imaging Structure beneath Connecticut
  • Yale University, United States of America
DOI
XP (2020-2021) Aftershock deployment for Stanley, ID earthquake 2020
DOI
XP (2022-2022) EGS Collab: 4100L
  • Lawrence Berkeley National Lab
DOI
XP (2023-2027) AdriaArray Temporary Network: France - MACIV backbone (Multiscale seismic imaging of Massif Central) DOI
XQ (1995-1995) Green River Experiment
XQ (1999-2000) RUSH-I Reflectors Under Scottish Highlands, phase I
  • University of Bristol, United Kingdom
DOI
XQ (2001-2002) Hikurangi Subduction System (New Zealand) Seismic Transects, North Island Geophysical Transect Passive
DOI
XQ (2003-2005) Oregon Array for Teleseismic Study
  • University of Wisconsin, Madison, United States of America
XQ (2006-2006) Collaborative Research: Understanding Fault Zone Compliance by Seismic Probing of InSAR Anomalies, Mojave Fault-Zone Compliance
DOI
XQ (2007-2009) Seismic and Geodetic Investigations of Mendocino Triple Junction Dynamics
  • University of Oregon, United States of America
DOI
XQ (2010-2010) Pismo BeachNet
  • Cuesta Community college, United States of America
United States of America
XQ (2011-2011) NEESR-CR: Topographic Effects in Strong Ground Motion - From Physical and Numerical Modeling to Design
  • University of Arkansas - Fayetteville, United States of America
DOI
XQ (2012-2014) Pre-Hydrofracking Regional Assessment of Central Carolina Seismicity
DOI
XQ (2015-2016) Rapid response to the Mw 7.9 earthquake of April 25, 2015 in Nepal
  • Oregon State University (OSU), United States of America
XQ (2017-2017) Salt Lake 2017 Land Streamer profiling
DOI
XQ (2019-2019) Chile Glacial Volcano Experiment
  • University of North Carolina at Chapel Hill (UNC), United States of America
DOI
XQ (2020-2024) CHAUVET
DOI
XR (1994-1994) INDEPTH II
XR (1997-1999) INDEPTH-III
DOI
XR (2000-2000) Kolbeinsey Ridge - Iceland Seismic Experiment
  • University of Oregon, United States of America
DOI
XR (2001-2002) The Florida to Edmonton Broadband Experiment
DOI
XR (2003-2003) Mammoth 2003
XR (2004-2007) CSEDI: Observational and Theoretical Constraints on the Structure and Rotation of the Inner Core
DOI
XR (2008-2011) Seismic Investigation of Edge Driven Convection Associated with the Rio Grande Rift.
  • University of Texas at Austin, United States of America
DOI
XR (2012-2014) Deployment of a simultaneous broadband gradiometers to quantify the effects of aperture and near-surface geology on gradient-der
  • East Carolina University (ECU), United States of America
DOI
XR (2015-2015) Bowdoin glacier, NE Greenland
  • Swiss Federal Institute of Technology, Zurich (ETHZ), Switzerland
XR (2016-2017) Seismicity near the Nemaha fault in northern Oklahoma
  • Cornell University, United States of America
DOI

Network Data API

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