# Network Code Network Name Network Operator Network Country (ISO & Name) Network Website Deployment Country (if different) Digital Object Identifier (DOI) P1 Porto Corsini Eni spa Italy Italy 10.7914/SN/P1 PA ChiriNet Red Sismica Volcan Baru Panama http://redsismicabaru.com/ Panama 10.7914/SN/PA PB Plate Boundary Observatory Borehole Seismic Network UNAVCO United States of America United States of America PC Panama Canal Network Autoridad del Canal de Panama (Panama Canal Authority) Panama Panama PD Polish Seismic Monitoring Network Polish Academy of Sciences, Polskiej Akademii Nauk Poland http://www.igf.edu.pl/en/monitoring_geofizyczny/monitoring_sejsmiczny_polski Poland PE Pennsylvania State Seismic Network Penn State University United States of America http://eqseis.geosc.psu.edu/ United States of America 10.7914/SN/PE PF Piton de la Fournaise Volcano Observatory Network (Reunion Island) Institut de Physique du Globe de Paris France http://www.ipgp.fr/ovpf Réunion 10.18715/reunion.PF PG Central Coast Seismic Network, PG&E Pacific Gas and Electric United States of America http://ncedc.org/pge/ United States of America PH Puna Geothermal Network Duke University United States of America United States of America PI PASSCAL Pier Test Data IRIS/PASSCAL PK Micro Seismic Monitoring System of Northern Areas of Pakistan Institute of Geology and Geophysics, CAS China China PL Polish Seismological Network Polish Academy of Sciences, Polskiej Akademii Nauk Poland http://www.igf.edu.pl/pl/zaklady_naukowe/sejsmologii_i_fizyki_wnetrza_ziemi/stacje_i_obserwatoria_sejsmologiczne Poland PM Portuguese National Seismic Network Instituto Português do Mar e da Atmosfera, I.P. Portugal http://www.meteo.pt/en/sismologia/redes/ Portugal 10.7914/SN/PM PN PEPP-Indiana Indiana University Bloomington United States of America http://www.indiana.edu/~pepp/ United States of America PO Portable Observatories for Lithospheric Analysis and Research Investigating Seismicity Geological Survey of Canada Canada http://www.polarisnet.ca/network/polaris-network-locations.html Canada PP Princeton Earth Physics Program Princeton University United States of America United States of America PQ Public Safety Geoscience Program Canadian Research Network Geological Survey of Canada Canada Canada 10.7914/SN/PQ PR Puerto Rico Seismic Network & Puerto Rico Strong Motion Program University of Puerto Rico United States of America http://redsismica.uprm.edu/ Puerto Rico and the Virgin Islands 10.7914/SN/PR PS Pacific21 University of Tokyo, Earthquake Research Institute Japan Japan PT Pacific Tsunami Warning Seismic System Pacific Tsunami Warning Center United States of America United States of America 10.7914/SN/PT PU INGEMMET Instituto Geologico Minero Y Metalurgico, Lima Peru Peru PV Philippine Seismic Network Philippine Institution of Volcanology and Seismology Philippines Philippines PW Pacific Northwest Geodetic Array Central Washington University United States of America http://www.panga.cwu.edu/ United States of America 10.7914/SN/PW PX Parkfield Experiment Array Duke University United States of America United States of America PY Piñon Flats Observatory Array University of California, San Diego United States of America http://eqinfo.ucsd.edu United States of America 10.7914/SN/PY PZ Prince Islands Real-time Earthquake monitoring System GFZ Potsdam, BU-Kandilli Multiple Countries Turkey 10.7914/SN/PZ