International Federation of Digital Seismograph Networks

Network Codes

The following network codes are assigned by the FDSN archive (IRIS DMC) to provide uniqueness to seismological data streams.

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Network Code Network Name Operated By Deployment DOI
4J (2017-2024) Bioko Seismic Network
  • Drexel University
BF Black Forest Observatory
  • Universities of Karlsruhe and Stuttgart
YB (1996-1997) Black Thunder Mine
XC (1977-1977) Blake-Bahama Oblique Seismic Experiment
  • Woods Hole Oceanographic Institution (WHOI)
KO Bogazici University Kandilli Observatory And Earthquake Research Institute
ZV (2001-2005) BOHEMA
  • GEOFON Program (GFZ-Potsdam, Germany)
YZ (2005-2007) Boina Broadband Network
  • Royal Holloway, University of London
BU Boise State University Seismic Network
XN (2008-2009) Bolivar: Western Venezuela
  • Rice University
BV Bolvian Seismic Network
  • Observatorio San Calixto (OSC Bolivia)
BO Bosai-Ken Network
  • National Research Institute for Earth Science and Disaster Prevention (NEID JAPAN)
BX Botswana Seismological Network
ZX (2008-2010) Boulby Cliffs
XR (2015-2015) Bowdoin glacier, NE Greenland
  • ETHZ (Swiss Federal Institute of Technology, Zurich Switzerland)
5B (2010-2015) Brady Hot Spring EGS
ZX (2019-2020) Bransfield Strait
  • University of Washington
B6 Bransfield Strait Seismic Network
  • Instituto Andaluz de Geofisica Universidad de Granada (UGR)
5M (2018-2020) BRAVOSEIS Onshore Seismic Array
BL Brazilian Lithospheric Seismic Project
  • Universidade de Sao Paulo, USP
Y4 (2013-2013) Brazilian Temporary Seismographic Experiments
  • Universidade de Sao Paulo, USP
ZG (2013-2013) Bringing New Tools and Techniques to Bear on Earthquake Hazard Analysis and Mitigation
  • IRIS HQ (DC)
ZI (2006-2009) British Isles Seismic Experiment
  • University of Cambridge (UK) Earth Sciences
ZH (2006-2009) British Isles Seismic Experiment
  • University of Cambridge (UK) Earth Sciences
3J (2016-2018) Broadband Array in Longmenshan Seismic Gap
TW Broadband Array in Taiwan for Seismology
  • Academia Sinica, Institute of Earth Sciences (IESAS)
YB (1998-1999) Broad Band Array Study in South Africa
XU (1996-1997) Broadband Crust/Upper Mantle Studies Around New Zealand
XE (1999-2001) Broadband Experiment Across the Alaska Range
  • University of Alaska, Fairbanks (UAF, AK USA)
XS (1998-1998) Broad Band Monitoring of Explosions at Sangay Volcano, Ecuador
XM (2011-2011) Broadband recording at the site of great earthquake rupture in the Alaska Megathrust
  • University of Oklahoma (OU)
XI (1995-1997) Broadband Seismic Characterization of the Arabian Shield
XW (2017-2018) Broadband seismic experiment in NE Uganda to investigate plume-lithosphere interactions
  • Penn State University
none DOI
XD (2002-2006) Broadband Seismic Experiment in Various Regions in China
XB (2005-2007) Broadband Seismic Investigation of the Cameroon Volcanic Line
XD (2001-2001) Broadband Seismic Studies of Dome Growth at Merapi Volcano, Indonesia
YO (2003-2006) Broadband Tomography Under Costa Rica and Nicaragua
BB Brunei Darussalam National Seismic Network
7A (1992-1992) BTL
  • Australian National University (ANU, Australia)
9A (2017-2018) Bud Wellman
  • UC San Diego
X1 (2011-2012) Byrd Lake Reflection Seismics - Cresis
  • Penn State University
RC BYU-Idaho Network
  • Brigham Young Univ-Idaho (BYU Idaho)
XH (1992-1993) Cajon Pass Borehole Recording Phase I
  • Boston University
YD (2003-2006) Calabria-Appennine-Tyrrhenian/Subduction-Collision-Accretion Network
EN CalEnergy Subnetwork
  • USGS Caltech, Pasadena
YH (2020-2020) Calibration of a distributed acoustic sensing platform for measuring snow depths
  • Harvard University
WR California Division of Water Resources
  • California Division of Water Resources
CE California Strong Motion Instrumentation Program
  • California Division of Mines and Geology (CDMG)
CT California Transect Network
  • UC Santa Cruz
ZE (1999-1999) Calixto
  • GEOFON Program (GFZ-Potsdam, Germany)
C2 Canadian National Geomagnetic Network

Network Data API

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