List last modified Thu Dec 11 14:55:48 PST 2008 The following network codes are assigned by the FDSN archive (IRIS DMC) to provide uniqueness to seismological data streams. The first line provides the network code and the network name. The second line of each entry provides the name of the network operator or responsible organization. * indicates all or some data from the network are available at the IRIS DMC # arrangements are being made to make these data available through the IRIS DMC. AA Anchorage Strong Motion Network Geophysical Institute, University of Alaska, Fairbanks AB National Seismic Network of Azerbaijan Republic Center of Seismic Survey, Azerbaijan AD ADPC Early Warning Center Asian Disaster Preparedness Center, Thailand AF Africa Array Penn State University and the Council for Geoscience (S. Africa) AI Antarctic Seismographic Argentinean Italian Network (ASAIN) Istituto Nazionale di Oceanografia e di Geofisica Sperimentale and Insituto Antartico Argentino - IAA AK Alaska Regional Network USGS - Menlo Park, University of Alaska AL Alaska Long Period Array AN Altay-Sayan Regional Seismic Network Altay-Sayan Department of Geophysical Survey Siberian Branch Russian Academy of Sciences AR Northern Arizona Network Arizona Earthquake Information Center AS Modified High Gain Long Period Observatory (ASRO) USGS Albuquerque Seismological Laboratory AT Alaska Tsunami Warning Seismic System West Coast & Alaska Tsunami Warning Center AU Australian Seismological Centre Australian Geological Survey AV Alaska Volcano Observatory USGS - Anchorage, University of Alaska, Geophysical Institute AZ ANZA Regional Network University of California, San Diego - USGS Menlo Park BA UniBas University della Basilicata, Italy BD Bakun Dam Micro-Seismic Monitoring Network Sarawak Hidro SDN BHD, Kuala Lumpur, Malaysia BE Belgian Seismic Network Royal Observatory of Belgium BF Black Forest Observatory Universities of Karlsruhe and Stuttgart, Germany BG Berkeley Geysers Network University of California, Berkeley BH Bay Area Urban Hazards Geological Hazards Team, USGS BK Berkeley Digital Seismic Network (BDSN) University of California, Berkeley BL Brazilian Lithospheric Seismic Project, BLSP Universidade de Sao Paulo, USP BN UK-Net, Blacknest Array AWE, Reading, United Kingdom BO Bosai-Ken Network NIED National Institute of Earth Science and Disaster Prevention BP Berkeley Parkfield High Resolution Seismic Network U. California, Berkeley BR University of Brasilia Seismic Network University of Brasilia BS National Network of Bulgaria Geophysical Institute, Bulgarian Academy of Sciences BU Boise State University Seismic Network Boise State University BW BayernNetz Department of Earth and Environmental Sciences, Geophysical Observatory, University of Munchen CA Catalan Seismic Network Universitat de Barcelona CB China National Seismic Network China Seismological Bureau, Institute of Geophysics, Beijing CC Cascade Chain Volcano Monitoring USGS/Cascade Volcano Observatory CD China Digital Seismic Network (CDSN) State Seismological Bureau, People's Republic of China CE California Strong Motion Instrumentation Program California Division of Mines and Geology - Earthquake Engineering CF Red Acelerografica Nacional de la Comision Federal de Electricidad (CFE) Comision Federal de Electricidad, Mexico CG Coso Microearthquake Network Geothermal Program Office, US Navy, China Lake CH Switzerland Seismological Network Swiss Seismological Service CI Caltech Regional Seismic Network California Institute of Technology (beginning 9/1997 some stations from network code TS now appear as network code CI) CL Corinth Riff Laboratory INSU, France CN Canadian National Seismic Network Geological Survey of Canada CO South Carolina Seismic Network University of South Carolina at Columbia CR Croatian Seismograph Network Department of Geophysics, Faculty of Science, University of Zagreb CS Caucasus Network Lamont-Doherty Earth Observatory, part of former IRIS JSP Program CT California Transect Network University of California, Santa Cruz CU CariUSGS Caribbean Network USGS, Golden, CO CV VIGIL Network, Cape Verde Islands Instituto Superior Tecnico, Lisbon, Portugal CX Plate Boundary Observatory Network Northern Chile GeoForschungsZentrum Potsdam, Institute de Physique du Globe de Paris CY Grand Cayman Cayman Islands Government CZ Czech Seismic Network Geophysical Institute, Czech Academy of Sciences DK Danish Seismological Network National Survey and Cadastre - Denmark DM Public Seismic Network - Dominica Public Seismic Network - Domenica DN Dubai Seismological Network Dubai Municipality, United Arab Emirates DR Dominican Republic Seismic Network Instituto Sismologico Universitario, UASD DW Digital World-Wide Standardized Seismograph Network (DWWSSN) USGS Albuquerque Seismological Laboratory DZ REALSAS Research Center of Astronomy, Astrophysics & Geophysics (CRAAG), Algeria EA EARN IRIS Education and Research Network (EARN) EC Ecuador Seismic Network Instituto Geofisico, Quito Ecuador EE Estonian Seismic Network Geological Survey of Estonia EI Irish Regional Digital Seismic Network Dublin Institute for Advanced Studies EM Electromagnetic Studies of the Continents (EMSOC) EMSOC Consortium also Magnetotelluric Component of USArray/EarthScope USArray/IRIS/EarthScope EN CalEnergy Subnetwork Sourthern California Seismic Network - Caltech/USGS EQ Nevada Educational Seismic Network University of Nevada at Reno ER Mount Erebus Volcano Observatory Network New Mexico Institute of Mining and Technology ES SPANISH DIGITAL SEISMIC NETWORK Subdireccion General de Geodesia Y Geofisica Instituto Geografico Nacional ET CERI Southern Appalachian Seismic Network University of Memphis EX EXTREMA Network Istituto Nazionale di Geofisica, Rome FA UCLA Seismic Network University of California, Los Angeles FG Fallon Microearthquake Network Geothermal Program Office, US Navy, China Lake FN Northen Finland Seismological Network Sodankyyla Geophysical Observatory/Oulu Unit, University of Oulu FR French Broadband Seismological Network ReNaSS Strasbourg, INSU/CNRS Paris FV Friuli Veneto short period network Istituto Nazionale di Oceanografia e di Geofisica Sperimentale - OGS G GEOSCOPE Institut de Physique du Globe de Paris GA GARNET Seismic Network Science and Technology Agency, Tskuba, Japan GB Great Britain Seismograph Network British Geological Survey GD Global Postioning System Displacement Data various ( maintained by IRIS DMC) GE GEOFON GEOForschungsNetz (Geo Research Network) GL Volcanologic Seismologic Observatory Network of Guadeloupe, OVSG OVSG, Institut de Physique du Globe de Paris, FRANCE GN Garni Dense Array USGS - Menlo Park GP GPS Data Products for Solid Earth Science Southern California Integrated GPS Network (SCIGN) GR German Regional Seismic Network Central Seismological Observatory, Erlangen Germany GS US Geological Survey Networks USGS National Earthquake Information Center GT Global Telemetered Southern Hemisphere Network USGS Albuquerque Seismological Laboratory GY Geyokcha Array, Turkmenistan Part of former IRIS/JSP Program, UCSD H2 Hawaii 2 Observatory University of Hawaii HC Seismological Network of Crete - Laboratory Geophysics & Seismology Technological Educational Institute of Crete HE Finnish National Seismic Network (HEL) University of Helsinki, Suomi Finland HF Swedish Seismic Array Network The Swedish Defence Research Agency (FOI) HG High-Gain Long Period Network (HGLP) USGS Albuquerque Seismological Laboratory HL National Observatory of Athens Digital Broadband Network National Observatory of Athens, Institute of Geodynamics HP University of Patras, Seismological Laboratory University of Patras HT Aristotle University of Thessaloniki Seismological Network Geophysical Laboratory, University of Thessaloniki HU Hungarian Seismological Network Geodetic and Geophysical Reesearch Institute of Hungary HV Hawaiian Volcano Observatory Network Hawaiian Volcano Observatory HW Hanford Washington Seismic Network Pacific Northwest National Laboratory IA Indonesian Seismic Network (held pending final request) IB IberArray Institute of Earth Sciences, Barcelona IC IRIS China Digital Seismic Network USGS Albuquerque Seismological Laboratory ID Project IDA University of California, LaCoste Romberg Gravimeter Scripps Institute of Oceanography IE Idaho National Engineering Laboratory University of Utah, Network Contact IG Southern Spain Broad Band Seismic Network Instituto Andaluz de Geofisica. Granada Universty II IRIS/IDA Network University of California, Scripps Institute of Oceanography IL ILPA IM International-Miscellaneous Stations (This network code is used for International Networks that have not applied for a specific network code) IN National Seismic Network of India Indian Meteorological Department IP Instituto Superior Tecnico Broadband Seismic Network Instituto Superior Tecnico, Lisbon, Portugal IS Israel National Seismic Network Geophysical Institute of Israel IT Italian Strong Motion Network Ufficio Servizio Sismico Nazionale IU IRIS/USGS Network USGS Albuquerque Seismological Laboratory IV Italian National Seismic Network Istituto Nazionale di Geofisica e Vulcanologia, Rome, Italy IW Intermountain West Seismic Network ANSS Region United States Geological Survey JM Jamaica Seismograph Network University of the West Indies JP Japan Meteorological Agency Seismic Network Japan Meteorological Agency Seismic, Tokyo Japan KA Karthala Volcano Monitoring Network CNDRS/France KG Korean Seismic Network Korean Institute of Geology, Mining and Materials (KIGAM) KN Kirghiz Telemetered Network IVTAN/KIS, Bishkek, Kyrgystan KO Kandilli Observatory Istanbul, Turkey KS Korea National Seismography Network(KNSN) Korea Meteorological Administration KU King Saud University Network King Saud University, Saudi Arabia KW Kuwait National Seismic Network (KNSN) Kuwait Institute for Scientific Research (KISR) KY Kentucky Seismic and Strong Motion Network Kentucky Geological Survey KZ Kazakhstan Network Kazakh National Data Center, Almaty, Kazakhstan LA Los Angeles Basin Seismic Network University of Southern California LB Leo Brady Network Sandia National Laboratory LD Lamont-Doherty Cooperative Seismographic Network Lamont-Doherty Earth Observatory of Columbia University LI Laser Interferometer Gravitational-Wave experiment (LIGO) Caltech/USGS, Southern California Seismic Network LL LLNL NTS Network Lawrence Livermore National Laboratory LN Los Alamos Seismograph Network Los Alamos National Laboratory LS LASA LX University of LISbon SEISmic network Centro de Geofisica da Universidade de Lisboa MA Macedonia Seismological Network Seismological Observatory, Skopje, Macadonia MB Montana Regional Seismic Network Montana Bureau of Mines and Geology MD Moldova Digital Seismic Network Geological and Seismological Institute of Moldova MI Northern Mariana Islands Seismograph Network Scripps Institution of Oceanography and Commonwealth of the Northern Mariana Island Emergency Management Office MN MEDNET Istituto Nazionale di Geofisica, Italy MO Morooco Seismic Network Institut National de Geophysique, CNRST, Rabat MQ Reseau sismique de la Martinique OVMP, Institut de Physique du Globe de Paris MS Singapore Seismological Network Meteorological Service of Singapore MU Miami University Seismic Network Miami University MX Mexican National Seismic Network UNAM - Mexico City MY Malaysian National Seismic Network Malaysian Meteorological Service NA Netherlands Antilles Seismic Network KNMI / MDNAA NB Northeastern Brazil UFRN Universidade Federal do Rio Grande do Norte NC USGS Northern California Regional Network USGS - Menlo Park NE Northeastern United States Networks MIT and Boston College NF North Fork Valley Seismic Network NIOSH/Spokane Research Laboratory NI North-East Italy Broadband Network Istituto Nazionale di Oceanografia e di Geofisica Sperimentale University or Trieste NL Netherlands Seismic Network KNMI (Royal Netherlands Meteorological Institute) NM Cooperative New Madrid Seismic Network St. Louis University/Memphis State NN Western Great Basin/Eastern Sierra Nevada University of Nevada, Reno NO Norwegian Seismic Array Network NORSAR NP United States National Strong-Motion Network USGS - National Strong-Motion Program NR NARS Array University of Utrecht NS Norwegian National Seismic Network University of Bergen NT USGS Geomagnetism Program, NanoTesla Network USGS - Denver Federal Center NU Nicaraguan Seismic Network INETER, Frente a la Policlinica Oriental, Managua,Managua 1, Nicaragua NZ New Zealand National Seismograph Network Institute of Geological & Nuclear Sciences, Wellington, New Zealand OE Austrian Seismic Network ZAMG - Central Institute for Meteorology and Geodynamics OH Ohio Seismic Network Ohio Geological Survey OK Oklahoma Seismic Network University of Oklahoma OM Earthquake Monitoring Program of Oman (EMPO) Earthquake Centre, Sultan Qaboos University OS Seismological Observatory, Brasilia Observatorio Sismologico, Brasilia Brasil OV Observatorio Vulcanolgico y Sismolgico de Costa Rica OVSICORI-UNA PA CHIRINET Observatorio Sismico Occidente de Panama (OSOP) PB Plate Boundary Observatory Borehole Seismic Network Earthscope Project UNAVCO PC Panama Canal Network Autoridad del Canal de Panama PD Polish Seismic Monitoring Network Section of Seismic Monitoring, Institute of Geophysics, Polish Academy of Sciences PE Penn State Network Penn State University PF Volcanologic Network of Piton de la Fournaise - OVPF OVPF, Institut de Physique du Globe de Paris, France PG PG & E, Diablo Canyon Pacific Gas and Electric PH Puna Geothermal Network Duke University PI PASSCAL Instrument Center(s) IRIS/PASSCAL PL Polish Seismological Network Polish Academy of Sciences, Warsaw PM Portuguese National Seismograph Network Instituto de Meteorologia PN PEPP-INdiana Indiana University PO POLARIS - Portable Observatories for Lithospheric Analysis and Research Investigating Seismicity Geological Survey of Canada and Canadian Universities PP PEPP - Princeton Earth Physics Program Princeton University PQ PASSEQ Network Inst. of Geophysics, Polish Academy of Sciences PR Puerto Rico Seismic Network (PRSN) & Puerto Rico Strong Motion Program (PRSMP) University of Puerto Rico at Mayaguez PS POSEIDON (Now the Pacific -21 Network) Earthquake Research Institute, University of Tokyo PT Pacific Tsunami Warning Seismic System Pacific Tsunami Warning Center, Ewa Beach PU INGEMMET Seismic Network Instituto Geologico Minero Y Metalurgico, Lima Peru PX Parkfield Experiment Array Duke University, USGS Menlo Park RA Reseau Accelerometrique Permanent (French Accelerometrique Network) Laboratoire de Geophysique Interne et Tectonophysique - University of Grenoble RB Red Sismologica de Banda Ancha CICESE, Ensenada Mexico RC Rick's College Network Rick's College, Idaho - network contact University of Utah RE US Bureau of Reclamation Seismic Networks US Bureau of Reclamation, Denver Federal Center (Paradox Valley, W. Colorado Jackson Lake, WY) RF Friuli Venezia Giulia Accelerommetric Network University of Trieste RO Romanian Seismic Network National Institute for Earth Physics, Romania RP Universidad de Panama Seismic Network Universidad de Panama, Instituto de Geociencias RS Regional Seismic Test Network (RSTN) USGS National Earthquake Information Center SA Saudi Arabia Broadband Seismic Network Institute for Astronomical and Geophysical Research King Abdulaziz City for Science and Technology SB UC Santa Barbara Engineering Seismology Network Institute for Crustal Studies, UC Santa Barbara SC New Mexico Tech Seismic Network New Mexico Tech, Socorro, New Mexico SE Southeastern Appalachian Cooperative Seismic Network Virginia Tech, Memphis State University, Tennessee Valley Authority, University of North Carolina SF San Andreas Fault Observatory at Depth (SAFOD) Earthscope Project Stanford University and USGS Menlo Park SG Superconducting Gravimeter Global Geodynamics Project Information System and Data Center, Brussels, Belgium SI Province SudTirol, Italy ZAMG (temporary contact) SJ Serbian Seismological Network Seismological Survey of Serbia SK Slovak National Seismic Network Geophysical Institute, Slovak Academy of Sciences SL Slovenia Seismic Network Slovenia Geological Survey, Ljubana SN Southern Great Basin Network University of Nevada, Reno SR Seismic Research Observatory USGS Albuquerque Seismological Laboratory SS SINGLE STATION This is a generic network code for any network that wishes to produce data in SEED Format verion 2.3 or later. Care must be exercised to insure that the station name does not conflict with any other station name using this Network Code. SP South Carolina Earth Physics Project University of South Carolina SV El Salvador Broadband Network (SNET-BB) Servicio Nacional de Estudios Territoriales SX SXNET Saxon seismic network University of Leipzig TA USArray Transportable Array Earthscope Project IRIS TI Centro Sismologico de America Central (CASC) Universidad de Costa Rica, San Pedro TN Eastern Tennessee Seismic Network Joint Institute for Energy and the Environment, Knoxville, TN TO Tectonic Observatory California Institute of Technology TR Eastern Caribbean Seismograph Network Seismic Research Unit, University of the West Indies TS TERRAscope California Institute of Technology (beginning 9/1997 some stations from network code TS now appear as network code CI) TU Natioanl Seismic Network of Turkey (DDA) Earthquake Research Department, DEPREM, Ankara Turkey TW Broadband Array in Taiwan for Seismology (BATS) Academia Sinica, IES, Taipei, Taiwan UA Caribbean Andesite Lava Island Precision Seismo-geodetic Observatory University of Arkansas UC Colima Seismic Network (RESCO) Universidad de Colima, Mexico UG Unocal Geothermal Northern California Network Unocal Corporation, Geothermal and Power Operations, Santa Rosa, CA UI North Idaho Seismic network University of Idaho UK UK Schools Seismic Network SEIS-UK, University of Leicester UL USGS Low Frequency Geophysical Data Network USGS Menlo Park UO University of Oregon Regional Network University of Oregon UP University of Uppsala Network Geophysical Institute of the University of Uppsala, Sweden US US National Seismic Network ANSS Backbone of the USGS/NEIC and USGS/ASL and Earthscope Project of IRIS UU University of Utah Regional Network University of Utah UZ Uzbekistan digital seismic network Uzbekistan Institute of Seismology UW Pacific Northwest Regional Seismic Network University of Washington VE Red Sismologica Nacional con Apertura Continental FUNVISIS VI SIL-Icelandic National Digital Seismograph Network Icelandic Meteorological Office WK Wake Island Hydrophone Array University of Hawaii WM Western Mediterranean Seismic Network Real Instituto y Observatotio de la Arrmada (ROA) Univesidad Complutense de Madrid (UCM) WR California Division of Water Resources California Division of Water Resources WY Yellowstone Wyoming Seismic Network University of Utah (formerly operated by the USGS Menlo Park) ======================== Portable/Temporary Networks are found elsewhere Look at http://www.iris.edu/SeismiQuery/tempNetsExcelReports.htm for the latest list.