National Geographic Institute of the Canary Islands, Spain issued a warning, according to which in the coming days in the Canary Islands may occur a strong earthquake and volcanic eruption of El Hierro, since July 19, 2011 on the island of El Hierro have been registered for more than 8 thousands of earthquakes, which, according to the director of the National Geographic Institute of the Canary Islands, Jose Blanco, is a prerequisite for future volcanic eruption. In 1973 occurred the last eruption of the volcano El Hierro, which is why almost all the territory of the island of El Hierro was covered with ash and lava.