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
2R (2022-2023)	Dense seismic node Arrays on Montagne Pelée, Martinique	Institut de Physique du Globe de Paris (IPGP), France	—	DOI
DO	Dense Oceanfloor Network System for Earthquakes & Tsunamis	Japan Marine Science and Technology Center (JAMSTEC), Japan	Japan	—
6E (2019-2019)	Dense nodal deployment at some test sites for the upcoming FaultScan project	Scripps Institution of Oceanography (SIO), United States of America		DOI
YH (2012-2013)	Dense Array for North Anatolia	University of Leeds, United Kingdom		DOI
8T (2023-2027)	Denman Glacier System	University of Tasmania, Australia	—	—
YM (2002-2003)	Denali Fault Aftershocks RAMP	IRIS/PASSCAL		DOI
XK (2016-2016)	Delineating preferential flow paths from recharge for water planning and management	New Mexico Tech, United States of America		DOI
Y3 (2017-2018)	Delaware 2017 Aftershock Study	Carnegie Institute of Washington / Science (DTM CIW), United States of America		DOI
XT (2011-2013)	Deformation and Magmatic Modification of a Steep Continental Margin, Western ID-Eastern OR	University of Florida, United States of America		DOI
9A (2012-2012)	Deformation and magmatic modification of a steep continental margin, western Idaho - eastern Oregon	Virginia Polytechnic Institute and State University (Virginia Tech), United States of America		DOI
YH (2021-2023)	Defining the Source of the 1886 Earthquake	College of Charleston		DOI
6B (2021-2024)	DeepTrigger Peru	ISTerre (ISTERRE), France	—	DOI
XZ (2020-2024)	DeepTrigger Chile deployment	ISTerre (ISTERRE), France		DOI
9Q (2017-2030)	DEEP-TEE Phase 2	Karlsruhe Institute of Technology (KIT GPI), Germany	—	DOI
1P (2014-2016)	DEEP-TEE Phase 1	Karlsruhe Institute of Technology (KIT GPI), Germany		DOI
X8 (2012-2017)	Deep Structure of Three Continental Sutures in Eastern North America	Rutgers University, United States of America		DOI
XN (2007-2007)	Deep Structure of the Nortwaster Tibet Collison Zone	Stanford University, United States of America		DOI
X4 (2007-2009)	Deep Structure of the Northeastern Tibet Collision Zone: INDEPTH IV	Missouri University of Science & Technology (Missouri S&T), United States of America		DOI
Y7 (2011-2012)	Deep OCean Test ARray experiment	Universitat Potsdam, Germany		—
3J (2011-2012)	Deep OCean Test ARray DOCTAR (OBS part)	University of Potsdam (UP), Germany	—	—
2R (2015-2020)	Deep Geothermal northern HADES seismic array	GNS Science (IGNS), New Zealand	—	DOI
Z8 (2009-2011)	Deep Geothermal HADES seismic array	GNS Science (IGNS), New Zealand		DOI
YB (2018-2021)	Deep Fault Structure Beneath the Mojave from a High Density, Passive Seismic Profile	University of Texas at Austin, United States of America		DOI
XO (2010-2010)	Deep Fault Drilling Project, Alpine Fault, New Zealand: Whataroa-Wanganui Passive Seismology Experiment 2010	Victoria University of Wellington, New Zealand		DOI
5L (2022-2022)	Deep Crustal Magmatic Structure in the Vicinity of the Pāhala Earthquake Swarm	USGS Hawaiian Volcano Observatory (HVO), United States of America	—	DOI
XU (2005-2005)	Deception Island Passive/Active Source	University of Washington, United States of America		—
KD	Decentralized onsite earthquake early warning network Bishkek (Kyrgyzstan)	Central Asian Institute for Applied Geosciences, Kyrgyzstan		DOI
1P (2022-2027)	DB MISS	DMT GmbH & Co. KG (DMT), Germany Geologischer Dienst Nordrhein-Westfalen, Germany Karlsruhe Institute of Technology (KIT GPI), Germany	—	DOI
ZL (2003-2004)	David Glacier 2003-2004	Institute of Geological and Nuclear Science (GNS), New Zealand		—
6H (2019-2019)	Data Acquisition for 2020 Blind Trial of Surface-based Site Characterization Methods	U.S. Geological Survey, United States of America		DOI
YL (2024-2025)	DAS testing Black Forest	GEOFON Program (GFZ-Potsdam, Germany), Germany	—	—
YS (2024-2025)	DAS monitoring of geohazards and environmental hazards project	Penn State University		DOI
9G (2021-2022)	DAS La Palma 2021 eruption	Spanish National Research Council (CSIC), Spain	—	DOI
X4 (2023-2023)	DAS experiment at Nanjing University Campus (Nanjing, China)	Nanjing University (NJU), China	—	DOI
6H (2015-2017)	Darsser Schwelle	Leibniz-Institute for Baltic Sea Research Rostock - IOW (IOW), Germany		—
8S (2023-2048)	Dark Fiber Horta, Faial, Açores	Instituto Dom Luiz (FCUL formerly CGUL-LX Portugal) (IDL), Portugal	—	DOI
4A (2010-2011)	Darfield RAMP Aftershock Deployment, NZ	University of Wisconsin, Madison, United States of America		DOI
Y7 (2020-2021)	DARE: Dense ARray for seismic site effect Estimation	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam), Germany	—	DOI
Y4 (2017-2019)	DanSeis infrastructure installation project Southern Scandinavia	GEUS Geological Survey of Denmark and Greenland, Denmark		—
DK	Danish Seismological Network	GEUS Geological Survey of Denmark and Greenland, Denmark		DOI
TY	Dam Safety Monitoring Network	Tennessee Valley Authority (TVA), United States of America	—	DOI
DG	Dam Gallery	Kurichhu Hydropower Plant (KHP), Bhutan	Bhutan	DOI
7L (2020-2025)	DAMAST (Dams and Seismicity)	Karlsruhe Institute of Technology (KIT GPI), Germany		—
X9 (2008-2011)	Dallas Earthquake Swarm	Southern Methodist University (SMU), United States of America		DOI
DA	Dagestan Regional Seismic Network of the Russian Federation	Geophysical Survey of the Russian Academy of Sciences (GSRAS), Russian Federation	—	DOI
YI (2011-2014)	DAFNE	Sodankyla Geophysical Observatory / University of Oulu, Finland		—
CZ	Czech Regional Seismic Network	Charles University in Prague, Czechia Institute of Geonics (IGN), Czechia Institute of Geophysics, Academy of Sciences of the Czech Republic, Czechia Institute of Physics of the Earth Masaryk University, Czechia Institute of Rock Structure and Mechanics (IRSM AS CR), Czechia		DOI
C9	Czech Microbarograph Network	Institute of Atmospheric Physics of the Czech Academy of Sciences	Czechia	DOI
CQ	Cyprus Broadband Seismological Network	Geological Survey Department Cyprus, Cyprus		DOI
ZZ (2002-2005)	CYCLADES	GEOFON Program (GFZ-Potsdam, Germany), Germany		DOI

Network Data API

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