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
Y3 (2011-2011) Cornell-USGS Virgina Aftershock iMaging exPeriment
DOI
7J (2011-2011) Correlating seismic and visual (TLS) signals at Breidamerkurjokull, Iceland
DOI
CG Coso Microearthquake Network United States of America
XB (2008-2008) Costa Rica Active Source OBS Experiment
ZX (2005-2007) Costa Rica Poco Sol
XA (1983-1983) Costa Rica Seismic Experiment
X8 (2011-2011) Coulman High VSP, Antarctica, 2010
DOI
5J (2024-2025) Coupar Angus To Enochdu Rechargeable Autonomous Nodal Survey DOI
4W (2022-2023) Coupling erosion, weathering, and hydrologic function in an active orogenic system
DOI
YZ (2008-2008) Crater Lake 2008
DOI
XW (2012-2012) CRESIS Greenland 2012
DOI
ZS (2009-2009) CReSIS Greenland Lake Drainage 2009
DOI
ZD (1996-1997) Crete-TE
HR Croatian Research Seismic Network
CR Croatian Seismograph Network
DOI
9H (2022-2026) CRONOS - Croatia/Norway Contribution to AdriaArray Temporary Network
1E (2015-2016) Crustal Magma Plumbing of the Santorini Volcanic System
DOI
3E (2015-2015) Crustal Magma Plumbing of the Santorini Volcanic System - Land Component
DOI
3H (2014-2015) Crustal Seismicity along for the Southern Andes Volcanic Zone
DOI
YA (1998-2000) Crustal Structure of Coso Geothermal Field, California
DOI
2F (2017-2020) Crust and lithosphere Investigation of the Easternmost expression of the Laramide Orogeny - Pilot Experiment
DOI
Y1 (2018-2021) Crust and mantle structure and the expression of extension in the Turkana Depression of Kenya and Ethiopia
DOI
XT (2003-2005) Crust-Mantle Interactions during Continental Growth and High-Pressure Rock Exhumation at an Oblique Arc-Continent Collision Zone: SE Caribbean Margin
DOI
5H (2013-2016) Crust of the Oman Ophiolite and its Lithosphere
DOI
XR (2004-2007) CSEDI: Observational and Theoretical Constraints on the Structure and Rotation of the Inner Core
DOI
ZT (2025-2025) CTEMPs DAS and DTS fiber optic test bed
DOI
WC Curacao Seismic Network
1F (2009-2009) Curnamona
DOI
3X (2022-2022) Curnamona Cube MT & Passive Seismic Array DOI
ZZ (2002-2005) CYCLADES
DOI
CQ Cyprus Broadband Seismological Network
DOI
C9 Czech Microbarograph Network Czechia DOI
CZ Czech Regional Seismic Network
DOI
YI (2011-2014) DAFNE
DA Dagestan Regional Seismic Network of the Russian Federation DOI
X9 (2008-2011) Dallas Earthquake Swarm
DOI
7L (2020-2025) DAMAST (Dams and Seismicity)
DG Dam Gallery Bhutan DOI
TY Dam Safety Monitoring Network DOI
XV (2025-2028) Danish landslides 2025 DOI
DK Danish Seismological Network
DOI
Y4 (2017-2019) DanSeis infrastructure installation project Southern Scandinavia
Y7 (2020-2021) DARE: Dense ARray for seismic site effect Estimation DOI
4A (2010-2011) Darfield RAMP Aftershock Deployment, NZ
DOI
8S (2023-2048) Dark Fiber Horta, Faial, Açores DOI
6H (2015-2017) Darsser Schwelle
1Q (2018-2018) Darss Sill shallow water OBS Test
X4 (2023-2023) DAS experiment at Nanjing University Campus (Nanjing, China) DOI
9G (2021-2022) DAS La Palma 2021 eruption DOI
YS (2024-2025) DAS monitoring of geohazards and environmental hazards project
DOI

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