This web site has been published after researches pursued by Mauro Mariotti wich developed many of the solutions and software described in these pages.

    The Italian Experimental Seismic Network and other skillfull people belonging to universities and/or private amateurs seismologists have contributed to the development with critics and suggestions; among them there is:

• Angel Louìs Rodriguez
• Christopher Chapman
• Francesco Nucera
• Jens Havskov
• Sergio Tardioli
• David Laschi
• Claudia Nardi
• Stefano Camilletti
• Jim O'Donnell
• Gateano De Luca
• Giovanni Bongiovanni
• Larry Cochrane
• Dave Nelson
• David Saum
• Bob Valkenier
• Nicoletta Buraglini
• Daniele Meniconi
• Gabriele Mariotti
• Marco Aceto
• Pacini Lando