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
4R (2022-2027) GEOREAL
4C (2015-2015) GeoGirls outreach experiment at Mount St. Helens
  • USGS Vancouver WA, United States of America
4E (2012-2013) G9
4E (2015-2016) Field Research Station broadband seismometer network
  • University of Bristol, United Kingdom
DOI
4N (2023-2023) Fast Response Aftershock network for the Moroccan Earthquake 2023 DOI
4G (2007-2030) EMSO-Azores
DOI
4A (2009-2009) Emersito Seismic Network for Site Effect Studies in L'Aquila town (Central Italy)
DOI
4H (2022-2022) Embayment Seismic Excitation Experiment 2022
  • University of Memphis
DOI
4B (2021-2021) El Paso Iglesias
  • University of Texas at El Paso (UTEP), United States of America
DOI
4H (2009-2010) EAL1
DOI
4U (2018-2019) Dry Alluvium Geology Gradiometry
  • Sandia National Laboratories, United States of America
DOI
4A (2010-2011) Darfield RAMP Aftershock Deployment, NZ
  • University of Wisconsin, Madison, United States of America
DOI
4W (2022-2023) Coupling erosion, weathering, and hydrologic function in an active orogenic system
  • University of Southern California
DOI
4N (2017-2022) China-Western Australia Seismic array
  • Macquarie University, Australia
DOI
4P (2020-2021) Carnegie Washington Backyard Network DOI
4L (2017-2019) Canoe Reach Geothermal Field
  • University of Calgary, Canada
DOI
4L (2020-2022) Bedload Monitoring of Ephemeral Streams 2022 Nodal Portion
  • New Mexico Tech, United States of America
DOI
4V (2022-2023) Aurora Vent Field Gakkel Ridge
  • Alfred Wegener Institute (AWI), Germany
4F (2007-2011) Askja 2007
DOI
4J (2014-2016) AQ3 SW Queensland and NW New South Wales
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
4P (2022-2026) AdriaArray Temporary Network: Italy - north, south
4S (2019-2020) Active seismic imaging of a leaky CO2 fault system
DOI
4N (2024-2025) 4N - New Jersey 2024 Earthquake Sequence
  • University of Texas at Austin, United States of America
DOI

Network Data API

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