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
PI PASSCAL Pier Test Data
ZU (2006-2007) PASSEQ
  • University of Leicester (SEIS UK), United Kingdom
7E (2006-2008) PASSEQ
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
DOI
XS (2016-2017) Passive Imaging of the Lithosphere-Asthenosphere Boundary
  • University of Southampton, United Kingdom
DOI
ZV (2024-2025) Passive Seismic Characterization of Bedrock and Unconsolidated Glaciofluvial Material
  • University of Illinois
DOI
XK (2011-2011) Passive seismic for geothermal exploration, Fairmont, Montana
DOI
YG (2020-2023) Passive Seismic Observations of a glacier surge: Turner Glacier, Alaska, USA
DOI
XD (2011-2013) Passive seismic study of a magma-dominated rift: the Salton Trough
  • Stanford University, United States of America
DOI
Y8 (2013-2014) Passive-Source Guided Wave Study along the San Andreas Fault in San Gorgonio Pass, California
  • UC Riverside, United States of America
DOI
5K (2023-2023) Passive-source seismic analysis for North Valleys and TRIC
  • University of Cincinnati
DOI
7F (2016-2017) Past and future deformation of the Ross Ice Shelf
  • University of Auckland
DOI
7F (2018-2018) PatachE Stress Observation DOI
5U (2019-2019) Patagonia_GIA
  • Southern Methodist University
DOI
1Q (2022-2025) Patua seismic array
  • Lawrence Berkeley National Lab
DOI
3W (2022-2023) Peace River Induced Seismicity Monitoring
  • University of Alberta, Canada
DOI
XE (2016-2017) Pedernales
DOI
XF (1994-1994) Peninsular Range
DOI
PE Pennsylvania State Seismic Network
  • Penn State University, United States of America
DOI
PN PEPP-Indiana
  • Indiana University Bloomington (IU Bloomington), United States of America
ZA (2024-2027) Peri-glacial an glacial risk study seismic network DOI
MG Permanent Seismic Network of Queretaro State, Mexico
DOI
3N (2019-2021) Permasense
DOI
5C (2017-2017) Perth Basin Array DOI
7K (2014-2017) Peru Coastal Seismic Data
DOI
ZD (2010-2013) PerU Lithosphere and Slab Experiment
DOI
YR (2003-2003) Petrophysical and Seismic Properties of Faroes Basalts
  • University of Cambridge Earth Sciences, United Kingdom
2F (2014-2015) PFO Accelerometer Test
  • IGPP University of California Systemwide Institute of Geophysics and Planetary Physics, United States of America
United States of America
PV Philippine Seismic Network Philippines
YM (2013-2015) Physical controls on ocean-terminating glacier variability in central west greenland
  • University of Alaska, Fairbanks (UAF), United States of America
DOI
ZP (2021-2023) Physically Understanding Localized Slip Episodisity
DOI
XB (1991-1991) Pinatubo 1991 seismic network DOI
PY Piñon Flats Observatory Array
DOI
XA (1991-1991) Piñon Flats Small Aperture Array, Broadband Triggered Array
DOI
XA (1990-1990) Piñon Flats Small Aperture Array, High Frequency Array
DOI
XS (2022-2022) Pinos channel rock drop and rolling experiment
  • New Mexico Tech, United States of America
DOI
9U (2022-2022) Pinos watershed late summer scans
DOI
6R (2023-2023) Pinos watershed short-time scale scans
  • NMT
DOI
Z6 (2011-2017) PIRE: Life on a tectonically active delta in Bangladesh
  • Lamont Doherty Earth Observatory, Columbia University (LDEO), United States of America
DOI
Z7 (2016-2016) Pisagua/Iquique Crustal Tomography to Understand the Region of the Earthquake Source - GEOMAR OBS Component
  • IRIS HQ, United States of America
XW (2016-2016) Pisagua/Iquique Crustal Tomography to Understand the Region of the Earthquake Source - OBSIP OBS Component
  • IRIS OBSIP (OBSIP), United States of America
DOI
ZA (1994-1994) PISCO94 PS
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
XQ (2010-2010) Pismo BeachNet
  • Cuesta Community college, United States of America
United States of America
PF Piton de la Fournaise Volcano Observatory Network (Reunion Island)
DOI
Z7 (2018-2018) PlanB
DOI
X9 (2012-2013) Plate Boundary Evolution and Physics at an Oceanic Transform Fault System
  • Oregon State University (OSU), United States of America
DOI
PB Plate Boundary Observatory Borehole Seismic Network
CX Plate Boundary Observatory Network Northern Chile
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
DOI
YH (2016-2016) Play Fairway Analysis - Passive monitoring of St. Helens Shear zone for tomography and precision microseismicity
  • AltaRock Energy Inc, United States of America
DOI
1E (2017-2017) Play Fairway Analysis: Structurally Controlled Geothermal Systems in the Eastern Great Basin Extensional Regime, Utah
DOI
2F (2016-2016) Play Fairway Analysis: Structurally Controlled Geothermal Systems in the Eastern Great Basin Extensional Regime, Utah
DOI

Network Data API

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