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
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
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
1F (2009-2009) Curnamona
DOI
3X (2022-2022) Curnamona Cube MT & Passive Seismic Array DOI
ZZ (2002-2005) CYCLADES
DOI
YI (2011-2014) DAFNE
X9 (2008-2011) Dallas Earthquake Swarm
DOI
7L (2020-2025) DAMAST (Dams and Seismicity)
XV (2025-2028) Danish landslides 2025 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
YL (2024-2025) DAS testing Black Forest
6H (2019-2019) Data Acquisition for 2020 Blind Trial of Surface-based Site Characterization Methods
DOI
ZL (2003-2004) David Glacier 2003-2004
1P (2022-2027) DB MISS DOI
XU (2005-2005) Deception Island Passive/Active Source
5L (2022-2022) Deep Crustal Magmatic Structure in the Vicinity of the Pāhala Earthquake Swarm DOI
XO (2010-2010) Deep Fault Drilling Project, Alpine Fault, New Zealand: Whataroa-Wanganui Passive Seismology Experiment 2010
DOI
YB (2018-2021) Deep Fault Structure Beneath the Mojave from a High Density, Passive Seismic Profile
DOI
Z8 (2009-2011) Deep Geothermal HADES seismic array
DOI
2R (2015-2020) Deep Geothermal northern HADES seismic array DOI
3J (2011-2012) Deep OCean Test ARray DOCTAR (OBS part)
Y7 (2011-2012) Deep OCean Test ARray experiment
X4 (2007-2009) Deep Structure of the Northeastern Tibet Collision Zone: INDEPTH IV
DOI
XN (2007-2007) Deep Structure of the Nortwaster Tibet Collison Zone
DOI
X8 (2012-2017) Deep Structure of Three Continental Sutures in Eastern North America
DOI
1P (2014-2016) DEEP-TEE Phase 1
DOI

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