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
1O (2022-2025) ISMENET - ISMEtpasa seismic NETwork DOI
3E (2022-2024) Islands of the Four Mountains 2022-23 DOI
Y2 (2015-2016) Islands of the Four Mountains 2015-16
DOI
X9 (2024-2024) Isla Navarino Phased Array
  • University of North TX, AERI
DOI
IX Irpinia Seismic Network
1M (2003-2015) Irish Seismological Lithospheric Experi­ment / Irish Seismological Upper Mantle Experiment DOI
X5 (2021-2021) Irish Sea OBSs deployment experiment
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
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) and Laboratory of Seismology and Spatial Data Analysis of University of Baghdad (LSDAUoB), Iraq (SLUB and LSDAUoB), 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
IM International Miscellaneous Stations
  • Various Institutions, Multiple Countries
DOI
SG International Geodynamics and Earth Tide Service
  • Multiple Operators, Belgium
DOI
IW Intermountain West Seismic Network
DOI
2H (2016-2025) Interim Broadband Monitoring of the Mount Erebus Volcano
  • New Mexico Tech, United States of America
DOI
3J (2023-2025) Interactions between the Tonga-Lau subduction system and the Samoan plume
  • whoi.edu
8C (2018-2018) Integration of Noble Gas and Seismic Measurements for Small Yield Event Discrimination and Yield Estimation
DOI
XH (2002-2003) Integrated Seismological Studies of Crust and Upper Mantle Structure in Western Anatolia
DOI
9H (2007-2011) Integrated observations from NEAR shore sourcES of Tsunamis: towards an early warning system
9D (2014-2014) Integrated Geosciences in the Merida Andes, Venezuela
DOI
3B (2015-2016) Integrated Geosciences in the Merida Andes, Venezuela
3B (2017-2019) InTarsis
  • Institute Earth Sciences "Jaume Almera" (ICTJA), Spain
DOI
5F (2018-2020) INTAROS temporary Ocean Bottom Seismometers (OBS) on northern Mid Atlantic Ridge
  • University of Bergen, Inst of Geophysics (UiB), Norway
DOI
XI (2018-2023) Instrumentation for Multidisciplinary Monitoring of an Alaskan Peatland
DOI
IP Instituto Superior Tecnico Broadband Seismic Network
LX Instituto Dom Luiz (IDL) - Faculdade de Ciencias Universidade de Lisboa
DOI
8J (2015-2015) INSPIRE
  • Oregon State University (OSU), United States of America
DOI

Network Data API

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