Some geologists have predicted that if the dormant volcano on the Canary Island of La Palma eventually pops, the cataclysmic explosion and subsequent landslide would send a deadly wall of water 1,000 metres high hurtling across the ocean at speeds of up to 800kph. This mega-tsunami would wipe clean the coast of Africa in just under an hour, reach Europe not long after that then annihilate the eastern seaboard of the United States a further five hours later. Erasing the cities of Casablanca, Lisbon, Porto, New York, Boston, Miami from the map, it would be the greatest disaster since the extinction of the dinosaurs. But hey, let’s not dwell on that, it may never happen, and anyway we are here to ride to its summit not hypothesise on its potential…