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
FN Northern Finland Seismological Network
DOI
ZL (2011-2015) Northern Embayment Lithospheric Experiment
DOI
YU (2006-2014) Northern California Delta
DOI
YC (2018-2020) Northern Borneo Orogeny Seismic Survey
DOI
XY (1997-1998) Northern Baja Transect
DOI
AR Northern Arizona Network
Z1 (2006-2007) Northeast Tibet Plateu Seismic Experiment: Pilot
DOI
ZV (2008-2010) Northeast Tibet Plateau Seismic Experiment
DOI
OX North-East Italy Seismic Network
DOI
NI North-East Italy Broadband Network
DOI
NB Northeastern Brazil UFRN
YV (2000-2003) North East Atlantic Tomography
YW (2000-2001) North China Experiment 2000-2001
Y5 (2019-2020) North Bay Seismic Experiment (con't from YK 2003-2018) United States of America DOI
NO NORSAR Station Network
DOI
3H (2009-2009) Norcia basin (Italy) temporary network
DOI
XA (1993-1993) Non Proliferation Experiment (Chemical Kiloton at NTS)
DOI
ZA (2011-2013) NoMelt
Z2 (2009-2012) NOISY
XO (2006-2006) NOISY United States of America
3K (2021-2021) Noise Field Characterisation at UCD Campus
ZS (2021-2021) NODESPEGAIROLLES DOI
ZK (2017-2018) Node Soufriere
DOI
3A (2017-2017) Node deployment in Oaxaca, Mexico following the M8.1 Tehuantepec Earthquake DOI
9M (2016-2016) Node deployment along the intersection of the Denali Fault and Richardson Highway DOI
ZE (2019-2019) Node deployment along the intersection of the Denali Fault and Parks Highway
DOI
2A (2023-2023) Nodal Seismometer Deployment at Oak Ridge earthflow near San Jose, CA
DOI
Z7 (2024-2024) Nodal Seismometer Deployment at Oak Ridge earthflow near San Jose, CA
DOI
4E (2020-2021) Nodal seismic experiment at the Berkeley section of the Hayward fault DOI
5G (2024-2024) Nodal seismic array to image magmatic system structure and seismicity of the Three Sisters volcanic complex
DOI
8P (2024-2025) Nodal seismic array to examine the correlations between seismic and geodetic data
DOI
7S (2022-2023) Nodal Deployment for the Elgin-Lugoff South Carolina earthquake swarm DOI
8J (2019-2019) Nodal Deployment for Alaska Amphibious Community Seismic Experiment
DOI
XM (2025-2025) Nodal and DAS deployment on the frozen lake of Sankt Moritz, Switzerland DOI
6E (2007-2011) Nisyros network
YP (2004-2007) NISD United States of America
NJ Nigerian National Network of Seismographi Stations (NNNSS)
DOI
LQ Niedersächsischer Erdbebendienst (NED)
YZ (2009-2014) Nicoya Seismogenic Zone
DOI
YQ (2006-2008) Nicoya Peninsula Seismic Network
NU Nicaraguan Seismic Network
DOI
8X (2022-2023) NH contribution to _EIFEL-LNX
N1 NGSA Seismic Network DOI
XM (1994-1994) New Zealand Study
DOI
NZ New Zealand National Seismograph Network
DOI
6B (2010-2015) New York Canyon EGS
2Q (2020-2024) NEWTON-g gravity imager DOI
SC New Mexico Tech Seismic Network
DOI
8H (2012-2012) New Mexico Coupling of Seismic
ZG (2024-2026) New Frontiers in Sound
DOI

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