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.

Request a new network code

Network Code Network Name Operated By Deployment DOI
LA Los Angeles Basin Seismic Network
  • University of Southern California (USC)
United States of America
LB Leo Brady Network
  • Sandia National Laboratories
United States of America
LC LSC (Laboratorio Subterraneo Canfranc) Spain DOI
LD Lamont-Doherty Cooperative Seismographic Network
  • Lamont Doherty Earth Observatory (LDEO), Columbia University
United States of America
LE Landeserdbebendienst Baden-Wuerttemberg Germany
LI Laser Interferometer Gravitational-Wave Experiment
  • California Institute of Technology (Caltech)
United States of America DOI
LK Lunitek Seismic Network
  • Lunitek srl (Italy)
Italy DOI
LL LLNL NTS Network
  • Lawrence Livermore National Laboratory (LLNL)
United States of America
LM Michigan State University Seismic Network
  • Michigan State University (MSU, Michigan USA)
United States of America DOI
LN Los Alamos Seismic Network (LASN)
  • Los Alamos National Laboratory (LANL, NM)
United States of America
LO Observatorio Sismológico Politécnico Loyola
  • Instituto Politecnico Loyola
Dominican Republic DOI
LP La Paz, Baja California Sur, Seismic Network
  • CICESE Center for Scientific Research & Higher Education (Mexico)
Mexico DOI
LR Geophysical Research Arrays of Lebanon
  • Geophysical Research Centre
Lebanon DOI
LS Large Aperture Seismic Array (LASA)
  • None
LT Timor Leste Seismic Network
  • Other
Timor-Leste DOI
LU Luxembourg Seismic Network Luxembourg
LV Seismic Data in North West of UK United Kingdom DOI
LX University of Lisbon Seismic Network Portugal DOI
LZ Zambia Seismic Network
  • Geological Survey Department of Zambia
Zambia DOI
  • 19 networks

Network Data API

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