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.

Request a new network code (requires login)
Generate citations for network data

Network Code Network Name Operated By Deployment DOI
7N (2018-2022) Arraiolos
DOI
TL Armutlu Local Seismic Network
  • Kocaeli University, Türkiye
DOI
A2 Armenian Seismological Network
DOI
A0 Armenian National Seismic Network
  • Armenian National Survey for Seismic Protection (NSSP), Armenia
DOI
YR (2016-2017) Armatrice Sequence International
DOI
1A (2009-2012) Arlita
DOI
AH Arkhangelsk Seismic Network
DOI
AO Arkansas Seismic Observatory
  • University of Arkansas at Little Rock (UALR), United States of America
AG Arkansas Seismic Network
3C (2014-2014) Arizona Rapid Array Array Mobilization Program
DOI
AE Arizona Broadband Seismic Network
DOI
HT Aristotle University of Thessaloniki Seismological Network
  • Aristotle University of Thessaloniki, Greece
DOI
YP (2014-2015) Argostoli earthquake aftershock experiment
  • Institut des Sciences de la Terre, France
XM (2012-2014) ARGOS - Alutu and Regional Geophysical Observation Study
  • University of Bristol, United Kingdom
DOI
KF ARGONET DOI
XJ (1988-1988) Argo Abyssal Plain VSP
  • Woods Hole Oceanographic Institution (WHOI), United States of America
DOI
8M (2022-2022) Arette Cluster DOI
ZO (2008-2009) ARC-Vanuatu Seismic Experiment (Volcanoes)
  • Observatoire de Grenoble, Grenoble, France
DOI
3A (2008-2009) ARC-Vanuatu
DOI
3S (2018-2019) Archimedes DOI
1Q (2016-2017) AQT
DOI
4J (2014-2016) AQ3 SW Queensland and NW New South Wales
DOI
AP APS Free Field Array
  • AP (APS), United States of America
DOI
Z2 (2023-2025) Application of seismic geophones to define sediment volume transport through the middle reach of the White River, Washington.
  • US Army Corps of Engineers
DOI
Z4 (2009-2010) Appalachian Seismic Transect
  • University of North Carolina at Chapel Hill (UNC), United States of America
DOI
XA (1969-1977) Apollo Passive Seismic Experiments
  • NASA Goddard Space Flight Center (GSFC), United States of America
DOI
AZ ANZA Regional Network
DOI
XF (1987-1992) Anza Borehole Experiment
DOI
ZC (1995-1995) Antofagasta
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
Germany
1C (2015-2015) Antithesis 2
AI Antarctic Seismographic Argentinean Italian Network - ASAIN
DOI
YI (1997-2002) Antarctic Network of Unattended Broadband Seismometers
DOI
XF (1995-1996) Antarctic Microearthquake Project, Monitoring of Ice Stream C, West Antarctica
DOI
4E (2022-2023) Antarctica Ice Rift Experiment
  • University of Maryland (UMD), United States of America
DOI
4B (2016-2018) ANR-Remake Quito basin
DOI
6D (2023-2025) A novel magnetometer network to capture the ongoing inflationary episode at Askja volcano, Iceland
  • Columbia University
DOI
YR (2021-2021) An Open-Access, OBS Controlled-Source Seismic Dataset Across the Cascadia Accretionary Wedge From Multi-Scale Regional OBS and Focus
  • Woods Hole Oceanographic Institution (WHOI), United States of America
DOI
3H (2023-2024) An Open Access Experiment to Seismically Image Galapagos Plume-Ridge Interaction
  • whoi.edu
GZ ANKARA-NET Türkiye
ZB (2019-2020) Anisotropy and structure of the Priestley Glacier shear margin, Antarctica
  • University of Otago, New Zealand
DOI
XG (1994-1994) Anisotropy AI
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
Germany
YM (2010-2012) An Integrated Analysis of Low-Frequency Seismicity at Villarrica Volcano, Chile
  • Michigan Technological University (MTU), United States of America
DOI
Y6 (2020-2022) Anillo
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
DOI
A7 Angola National Seismic Network
YF (2005-2005) A new survey studies the Northeastern Caribbean plate: GEOPRICO-DO Project
  • Woods Hole Oceanographic Institution (WHOI), United States of America
YM (2020-2020) Andreanoff Active-Source OBS Experiment
  • Woods Hole Oceanographic Institution (WHOI), United States of America
DOI
YS (2008-2008) Andravida (Greece) Aftershock Experiment
  • Observatoire de Grenoble, Grenoble, France
France
9H (2019-2019) Andi 2019
  • Zhejiang University (ZJU), China
China
ZE (1996-1997) ANCORP-TE
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
DOI
XO (1996-1996) ANCORP96-AN
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
Germany

Network Data API

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