por University of California, Berkeley. Earthquake Engineering Research Center.
por Universidad Nacional Autónoma de México. Instituto de Ingeniería.
por Indian Society of Earthquake Technology.
por International Institute od Sesimology and Earthquake Engineering | Kensetsush-mo Kenchiku Kenk-mu-jo (Japan).
por Seismological Society of America. Eastern Section.
por Tokyo Daigaku. Jishin Kenkyujo.
por Geological Survey (Estados Unidos) | U.S. Coast and Geodetic Survey | National Earthquake Information Center | National Geophysical Data Center | National Geophysical and Solar-Terrestrial Data Center | Estados Unidos. National Oceanic and Atmospheric Administration.