La Laguna Cathedral February 1819, a papal bull approved the division of the Roman Catholic Diocese of Canarias in two dioceses. The temple became a cathedral in 1819 by bull of Pope Pius VII, and the new diocese of La Laguna was created. The Diocese of San Cristóbal de La Laguna includes the islands of Tenerife, La Palma, La Gomera and El Hierro in the province of Santa Cruz de Tenerife. In obtaining the title of cathedral and the creation of the Diocese it had an important role priest Cristóbal Bencomo y Rodríguez, confessor of King Ferdinand VII of Spain and Titular Archbishop
La Palma tsunami, so it would only be a megatsunami locally in the mid Atlantic. An underwater eruption that began in September 2011 south of the island of El Hierro, gave rise to more speculation about the possibility of a megatsunami. As each island in the archipelago is an independent edifice often several tens of kilometres away from the adjacent island it is geologically impossible that volcanic activity on one island will influence the other islands. El Hierro lies about 100 km south of La Palma, over 100 km south-west of Tenerife. La Gomera – extinct since about 4 million year BP,