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
YQ (2001-2002) Himalaya Tectonic
YL (2001-2002) Himalayan Seismotectonics, Nepal and Tibet
DOI
XQ (2001-2002) Hikurangi Subduction System (New Zealand) Seismic Transects, North Island Geophysical Transect Passive
DOI
8F (2014-2015) Hikurangi Ocean Bottom Investigation of Tremor and Slow Slip, LBPR and TXBP data
  • University of Texas at Austin, United States of America
DOI
YH (2014-2015) Hikurangi Ocean Bottom Investigation of Tremor and Slow Slip
  • University of Texas at Austin, United States of America
DOI
ZO (2014-2016) HiK-NET temporary experiment (RESIF-SISMOB)
DOI
9C (2010-2011) High Resolution Seismological Profiling across Sierra Nevad
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
DOI
2N (2022-2022) High Resolution Imaging of the Pedernales Earthquake Rupture Zone - Nodes Phase II
  • Lehigh University, United States of America
DOI
XE (2020-2020) High Resolution Imaging of the Pedernales Earthquake Rupture Zone - Nodes
  • Lehigh University, United States of America
DOI
9Y (2022-2022) High resolution Imaging of the Pedernales Earthquake Rupture zone, Ecuador (HIPER2) DOI
XF (2021-2022) High Resolution Imaging of the Pedernales Earthquake Rupture Zone - Broadbands
  • Lehigh University, United States of America
DOI
X2 (2020-2022) High Resolution Imaging of the Pedernales Earthquake Rupture zone
DOI
YS (2022-2022) High-­resolution imaging of the crustal-­scale structure of the Central Pyrenees and role of Variscan inheritance on its geodynamic evolution
DOI
XJ (2010-2010) High-resolution imaging of magma transport at the summit of Kilauea Volcano
DOI
XP (1994-1995) High resolution experiment along the Hikurangi subduction zone in New Zealand, Taupo Volcanic Zone
DOI
Z2 (2008-2008) High-Lava-Plains-Active-Vcomp
  • Stanford University, United States of America
DOI
Z5 (2008-2008) High Lava Plains Active - Single Component Subset A
  • University of Oklahoma (OU), United States of America
DOI
HG High-Gain Long-Period Network
DOI
VD High Agri Valley geophysical Observatory
DOI
X7 (2004-2005) Hi-CLIMB two-dimension array - Peking University DOI
HS Hessischer Erdbebendienst Germany DOI
XE (2021-2021) HERSK-TNA, Hekla Real-Time Seismic Network - Transnational Access Eurovolc project DOI
YT (2006-2006) Herdubreid 2006
  • University of Cambridge Earth Sciences, United Kingdom
ZJ (2005-2005) Herdubreid 2005
  • Geological Survey of Estonia (GSE), Estonia
HA Hellenic Seismological Network, University of Athens, Seismological Laboratory
  • University of Athens, Greece
DOI
XF (2018-2019) Hazard in Tanzanian Rift
DOI
3U (2018-2019) Hawkes Bay SSE experiment
  • Lamont Doherty Earth Observatory, Columbia University (LDEO), United States of America
DOI
ZF (1999-2001) Hawaii Plume
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
Z1 (2018-2018) Hawaii Nodal RAPID 2018
DOI
HV Hawaiian Volcano Observatory Network
DOI
XH (2007-2007) Hawaiian South Flank Slow EQ Project
DOI
H2 Hawaii 2 Observatory
HZ Hasting Micro-Seismic Consulting DOI
3D (2014-2016) HART Pisagua Earthquake
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
DOI
9A (2021-2022) HART-La Palma volcanic eruption DOI
ZB (2010-2015) HARP
  • Scripps Institution of Oceanography (SIO), United States of America
2V (2023-2025) Harnessing the Geothermal Potential of Oklahoma Sedimentary Basin
  • University of Oklahoma (OU), United States of America
DOI
HW Hanford Washington Seismic Network
9B (2021-2025) Hampton Roads Seismic Monitoring Network
  • Virginia Polytechnic Institute and State University (Virginia Tech), United States of America
DOI
Z2 (2006-2007) HAMNET
  • Federal Institute for Geosciences and Natural Resources (BGR), Germany
9L (2020-2020) Hall Ranch Nodal Seismic Array DOI
Z4 (2024-2027) Halloween Crack
  • British Antarctic Survey (BAS), United Kingdom
DOI
8J (2023-2025) Halden local seismic network DOI
Z2 (2021-2022) Haiti Response 2021 DOI
YB (2010-2010) Haiti Earthquake Aftershock Experiment
DOI
AY Haitian Seismic Network
  • Bureau of Mines and Energy, Haiti
X2 (2012-2012) Haida Gwaii OBS Experiment Canada
9U (2019-2021) GWatt temporary seismic network at UDDGP DOI
XV (2021-2023) Guyana Aftershock Study Network
  • Institute of Astronomy, Geophysics & Atmospheric Science, Univ. of Sao Paulo (IAG-USP), Brazil
ZF (2010-2010) GUMBO: Gulf of Mexico Basin Opening
DOI

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