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
YK (2003-2018) Investigation of Crustal Structure and Site Response in the San Francisco North Bay
DOI
ZI (2016-2017) Investigation of crustal structure of the Matador Arch, testing of short period vs long period receiver function
DOI
XV (2011-2013) INVESTIGATION OF SOURCES OF INTRAPLATE VOLCANISM USING PASSCAL BROADBAND INSTRUMENTS IN MADAGASCAR, THE COMORES, AND MOZAMBIQUE
DOI
ZN (2013-2013) Investigation of subglacial hydrologic seismic signals, Breidamerkurjokull Glacier, Iceland- a WISSARD test case
DOI
D1 IPE_EDU
DOI
T1 IPE_ETE
DOI
YT (2007-2025) IPY POLENET-Antarctica: Investigating links between geodynamics and ice sheets
DOI
9C (2007-2008) IPY Project "Continental Margin" DOI
8A (2008-2009) IPY: Stability of Larsen C Ice Shelf in a Warming Climate
DOI
IL Iranian Long Period Array
I2 Iranian National Broadband Seismic Network Iran
I Iranian Seismological Center National Network
I1 Iranian Strong Motion Network Iran DOI
MP Iraqi Seismic Observatory
DOI
5T (2010-2022) Ireland Array DOI
XN (1996-1996) Irian Jaya RAMP
DOI
YW (2016-2016) IRIS Community Wavefield Experiment in Oklahoma
DOI
EA IRIS Education and Research Network United States of America
EI Irish National Seismic Network
DOI
X5 (2021-2021) Irish Sea OBSs deployment experiment
1M (2003-2015) Irish Seismological Lithospheric Experi­ment / Irish Seismological Upper Mantle Experiment DOI
IX Irpinia Seismic Network
X9 (2024-2024) Isla Navarino Phased Array
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 DOI
1D (2012-2013) ISOLDE
IS Israel National Seismic Network
ZP (1999-2001) ISSA
XH (2000-2000) ISSA2000 Germany
ZQ (2023-2023) Istanbul IRIS DASMonth DOI
IJ Istanbul University Seismic Network
DOI
B2 Itaipu Binacional Brazil DOI
IZ Italian Experimental Seismic Network
IV Italian National Seismic Network
DOI
IT Italian Strong Motion Network
DOI
4B (2019-2020) iTarg3T
DOI
HB ITSAK Network of Lowcost Accelerometers DOI
HI ITSAK Strong Motion Network
DOI
XK (2017-2019) Ivrea - AlpArray Complementary Experiment
DOI
MA IZIIS North Macedonia DOI
ZI (1999-1999) Izmit Germany
7G (2016-2018) Jailolo network, West Halmahera - Indonesia
DOI
JM Jamaica Seismograph Network
5T (2023-2023) JAMSTEC-Muroto DOI
JP Japan Meteorological Agency Seismic Network
Z3 (2010-2013) Jemez Pueblo Geothermal Exploration
DOI
XH (2025-2028) Jersey Valley Seismic Array DOI
XN (2011-2013) joint summer field camp BSU/CSM/Imperial College of London
DOI
JS Jordan Seismic Network

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