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
4A (2008-2008) Investigating mechanisms of subglacial hydrology and basal shear stress beneath Whillans Ice Stream using passive seismology
  • UC Santa Cruz, United States of America
DOI
9R (2022-2023) Investigating the Detachment Fault Cycle at the Mid-Cayman Spreading Center
  • Woods Hole Oceanographic Institution (WHOI), United States of America
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
ZI (2018-2019) Investigating Thickness of Peridotites in New Caledonia (formerly CaNappe)
  • Victoria University of Wellington, New Zealand
DOI
7P (2018-2020) Investigating West Texas Seismicity and Structure with Dense Geophone Arrays
  • University of Texas at El Paso (UTEP), United States of America
DOI
YK (2003-2018) Investigation of Crustal Structure and Site Response in the San Francisco North Bay
  • USGS Menlo Park, United States of America
DOI
ZI (2016-2017) Investigation of crustal structure of the Matador Arch, testing of short period vs long period receiver function
  • Texas Tech University, United States of America
DOI
XV (2011-2013) INVESTIGATION OF SOURCES OF INTRAPLATE VOLCANISM USING PASSCAL BROADBAND INSTRUMENTS IN MADAGASCAR, THE COMORES, AND MOZAMBIQUE
  • Washington University in St. Louis (WUSTL), United States of America
DOI
ZN (2013-2013) Investigation of subglacial hydrologic seismic signals, Breidamerkurjokull Glacier, Iceland- a WISSARD test case
  • UC Santa Cruz, United States of America
DOI
YT (2007-2025) IPY POLENET-Antarctica: Investigating links between geodynamics and ice sheets
  • Washington University in St. Louis (WUSTL), United States of America
DOI
9C (2007-2008) IPY Project "Continental Margin"
8A (2008-2009) IPY: Stability of Larsen C Ice Shelf in a Warming Climate
  • IRIS PASSCAL Instrument Center @ New Mexico Tech, United States of America
DOI
5T (2010-2022) Ireland Array DOI
XN (1996-1996) Irian Jaya RAMP
DOI
YW (2016-2016) IRIS Community Wavefield Experiment in Oklahoma
  • IRIS HQ, United States of America
DOI
X5 (2021-2021) Irish Sea OBSs deployment experiment
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
1M (2003-2015) Irish Seismological Lithospheric Experi­ment / Irish Seismological Upper Mantle Experiment DOI
Y2 (2015-2016) Islands of the Four Mountains 2015-16
DOI
3E (2022-2024) Islands of the Four Mountains 2022-23 DOI
1O (2022-2025) ISMENET - ISMEtpasa seismic NETwork
1D (2012-2013) ISOLDE
  • Alfred Wegener Institute (AWI), Germany
ZP (1999-2001) ISSA
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
XH (2000-2000) ISSA2000
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
Germany
ZQ (2023-2023) Istanbul IRIS DASMonth DOI
4B (2019-2020) iTarg3T
  • Institute Earth Sciences "Jaume Almera" (ICTJA), Spain
DOI
XK (2017-2019) Ivrea - AlpArray Complementary Experiment
ZI (1999-1999) Izmit
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
Germany
7G (2016-2018) Jailolo network, West Halmahera - Indonesia
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
DOI
5T (2023-2023) JAMSTEC-Muroto
  • IFREE/JAMSTEC (Japan Agency for Marine-Earth Science and Technology), Japan
DOI
Z3 (2010-2013) Jemez Pueblo Geothermal Exploration
  • TBA Inc, United States of America
DOI
XN (2011-2013) joint summer field camp BSU/CSM/Imperial College of London
DOI
XA (1992-1992) Joshua Tree Aftershock
DOI
3A (2019-2019) JPL Active Source Balloon Infrasound Experiment at EMRTC
  • Jet Propulsion Laboratory, NASA (JPL), United States of America
DOI
ZW (2010-2012) JULS
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
DOI
5C (2018-2025) JuraQuake
XR (2024-2026) K3-Lez
  • Institut des Sciences de la Terre, France
9G (2018-2020) Kalimantan Temporary Network
  • University of Cambridge Earth Sciences, United Kingdom
DOI
4A (2021-2021) Kamara Mine Network
  • Aristotle University of Thessaloniki, Greece
DOI
1W (2022-2022) Kamara Mine Network Continuation
  • Aristotle University of Thessaloniki, Greece
Greece
5K (2019-2020) Kamb Ice Stream Outlet Channel
  • Victoria University of Wellington, New Zealand
DOI
Z7 (2017-2017) Kansas and Nebraska Magnetotelluric Time Series (USGS-GGGSC, Kansas 2017 Long Period) DOI
YQ (2003-2003) Katla 2003
  • Nordic Volcanological Institute (NORDVULK), Iceland
ZK (2024-2024) Kauai Test Facility - Missile Launch
  • Sandia National Laboratories
DOI
YR (2022-2025) Kerguelen seismic network DOI
6G (2008-2012) Ketzin Seismic Monitoring Network
DOI
1C (2017-2017) Keweenaw fault imaging and fractured rock characterization projects
  • Michigan Technological University (MTU), United States of America
DOI
2Q (2019-2019) Kilauea 2019
DOI
ZN (2017-2018) Kilauea seismic and infrasound
  • Michigan Technological University (MTU), United States of America
9B (2008-2008) Kilauea Volcano Seismo-acoustic Source and Propagation-2008
  • New Mexico Tech, United States of America
DOI
9B (2010-2010) Kilauea Volcano Seismo-Acoustic Source and Propagation-2010
  • New Mexico Tech, United States of America
DOI

Network Data API

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