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
JP Japan Meteorological Agency Seismic Network
  • Japan Meteorological Agency (JMA), Japan
5T (2023-2023) JAMSTEC-Muroto
  • IFREE/JAMSTEC (Japan Agency for Marine-Earth Science and Technology), Japan
DOI
JM Jamaica Seismograph Network
  • University of the West Indies - Mona, Jamaica
7G (2016-2018) Jailolo network, West Halmahera - Indonesia
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
DOI
ZI (1999-1999) Izmit
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
Germany
XK (2017-2019) Ivrea - AlpArray Complementary Experiment
HI ITSAK Strong Motion Network
  • Institute of Engineering Seimology Earthquake Engineering (ITSAK), Greece
DOI
4B (2019-2020) iTarg3T
  • Institute Earth Sciences "Jaume Almera" (ICTJA), Spain
DOI
IT Italian Strong Motion Network
DOI
IV Italian National Seismic Network
DOI
IZ Italian Experimental Seismic Network
  • Other
B2 Itaipu Binacional Brazil DOI
IJ Istanbul University Seismic Network
DOI
ZQ (2023-2023) Istanbul IRIS DASMonth DOI
XH (2000-2000) ISSA2000
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
Germany
ZP (1999-2001) ISSA
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
IS Israel National Seismic Network
1D (2012-2013) ISOLDE
  • Alfred Wegener Institute (AWI), Germany
1O (2022-2025) ISMENET - ISMEtpasa seismic NETwork
3E (2022-2024) Islands of the Four Mountains 2022-23 DOI
Y2 (2015-2016) Islands of the Four Mountains 2015-16
DOI
IX Irpinia Seismic Network
1M (2003-2015) Irish Seismological Lithospheric Experi­ment / Irish Seismological Upper Mantle Experiment DOI
EI Irish National Seismic Network
DOI
EA IRIS Education and Research Network
  • IRIS HQ, United States of America
United States of America
YW (2016-2016) IRIS Community Wavefield Experiment in Oklahoma
  • IRIS HQ, United States of America
DOI
XN (1996-1996) Irian Jaya RAMP
DOI
5T (2010-2022) Ireland Array DOI
MP Iraqi Seismic Observatory
  • Seismological Laboratory of University of Basrah (SLUB), Iraq
DOI
I1 Iranian Strong Motion Network Iran DOI
I2 Iranian National Broadband Seismic Network Iran
IL Iranian Long Period Array
  • Institute of Geophysics, University of Tehran, Iranian Seis Center, Iran
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
9C (2007-2008) IPY Project "Continental Margin"
YT (2007-2025) IPY POLENET-Antarctica: Investigating links between geodynamics and ice sheets
  • Washington University in St. Louis (WUSTL), United States of America
DOI
T1 IPE_ETE
  • Institute of Physics of the Earth Masaryk University, Czechia
DOI
D1 IPE_EDU
  • Institute of Physics of the Earth Masaryk University, Czechia
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
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
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
YK (2003-2018) Investigation of Crustal Structure and Site Response in the San Francisco North Bay
  • USGS Menlo Park, United States of America
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
ZI (2018-2019) Investigating Thickness of Peridotites in New Caledonia (formerly CaNappe)
  • Victoria University of Wellington, New Zealand
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
9R (2022-2023) Investigating the Detachment Fault Cycle at the Mid-Cayman Spreading Center
  • Woods Hole Oceanographic Institution (WHOI), United States of America
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
8G (2018-2019) Investigating Geophysical Unrest at Sierra Negra
DOI
4C (2020-2024) Inter-Wind
DOI
IR International Registry
  • International Seismological Centre (ISC), United Kingdom
United Kingdom
IO International OGS Network
DOI

Network Data API

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