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
I Iranian Seismological Center National Network
I2 Iranian National Broadband Seismic Network Iran
IL Iranian Long Period Array
8A (2008-2009) IPY: Stability of Larsen C Ice Shelf in a Warming Climate
DOI
9C (2007-2008) IPY Project "Continental Margin" DOI
YT (2007-2025) IPY POLENET-Antarctica: Investigating links between geodynamics and ice sheets
DOI
T1 IPE_ETE
DOI
D1 IPE_EDU
DOI
ZN (2013-2013) Investigation of subglacial hydrologic seismic signals, Breidamerkurjokull Glacier, Iceland- a WISSARD test case
DOI
XV (2011-2013) INVESTIGATION OF SOURCES OF INTRAPLATE VOLCANISM USING PASSCAL BROADBAND INSTRUMENTS IN MADAGASCAR, THE COMORES, AND MOZAMBIQUE
DOI
ZI (2016-2017) Investigation of crustal structure of the Matador Arch, testing of short period vs long period receiver function
DOI
YK (2003-2018) Investigation of Crustal Structure and Site Response in the San Francisco North Bay
DOI
7P (2018-2020) Investigating West Texas Seismicity and Structure with Dense Geophone Arrays DOI
ZI (2018-2019) Investigating Thickness of Peridotites in New Caledonia (formerly CaNappe)
DOI
XP (2010-2013) Investigating the relationship between pluton growth and volcanism at two active intrusions in the central Andes
DOI
9R (2022-2023) Investigating the Detachment Fault Cycle at the Mid-Cayman Spreading Center
4A (2008-2008) Investigating mechanisms of subglacial hydrology and basal shear stress beneath Whillans Ice Stream using passive seismology
DOI
8G (2018-2019) Investigating Geophysical Unrest at Sierra Negra
DOI
4C (2020-2024) Inter-Wind
DOI
IR International Registry United Kingdom
IO International OGS Network
DOI
IM International Miscellaneous Stations
DOI
SG International Geodynamics and Earth Tide Service
DOI
IW Intermountain West Seismic Network
DOI
2H (2016-2025) Interim Broadband Monitoring of the Mount Erebus Volcano
DOI
3J (2023-2025) Interactions between the Tonga-Lau subduction system and the Samoan plume
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
DOI
5F (2018-2020) INTAROS temporary Ocean Bottom Seismometers (OBS) on northern Mid Atlantic Ridge
DOI
XI (2018-2023) Instrumentation for Multidisciplinary Monitoring of an Alaskan Peatland
DOI
IP Instituto Superior Tecnico Broadband Seismic Network
8J (2015-2015) INSPIRE DOI
ZV (2021-2021) Insights into the subsurface architecture of the Monahans Dune Field with active & passive source seismology and microgravity
DOI
7I (2011-2022) InSight pre and post-flight test data
7J (2016-2030) InSight pre and post-flight synthetic data
XB (2016-2023) InSight Mission Data
DOI
IQ Inquique Local Network
DOI
IE INL Seismic Monitoring Program
DOI
YM (2024-2025) INGV temporary seismic network on the Pantelleria Island (Italy)
2I (2024-2050) INGV temporary seismic network of Osservatorio Vesuviano DOI
9N (2011-2016) INGV Temporary Seismic Network for Pollino 2011 Sequence DOI
2D (2008-2009) INGV Temporary Seismic Network for Parma 2008 Sequence (North Italy) DOI
2J (2011-2011) INGV Temporary Seismic Network for Montefeltro 2011 Sequence (Central Italy) DOI
9K (2013-2014) INGV Temporary Seismic Network for Matese 2013 Sequence (Southern Italy) DOI
8H (2009-2011) INGV Temporary Seismic Network for L'Aquila 2009 Sequence DOI
5H (2009-2010) INGV Temporary Seismic Network for Frusinate 2009 Sequence (Central Italy) DOI

Network Data API

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