Angel Bueno Rodriguez¹, Luciano Zuccarello², Alejandro Diaz Moreno³, Jack Woolam⁴, Manuel Titos Luzón¹, Carmen Benitez¹, Isaac Álvarez Sr.⁵, Janire Prudencio⁶, Silvio De Angelis⁷ and Jesús M Ibáñez⁸, (1)University of Granada, Signal Theory, Telematic and Communications, Granada, Spain, (2)Istituto Nazionale di Geofisica e Vulcanologia, Catania, Italy, (3)University of Liverpool, Liverpool, L69, United Kingdom, (4)University of Liverppol, Liverpool, United Kingdom, (5)University of Granada, Signal Theory, Telematics and Communications, Granada, Spain, (6)Universidad de Granada, Granada, Spain, (7)University of Liverpool, Liverpool, United Kingdom, (8)University of Granada, Instituto Andaluz de Geofísica, Granada, Spain