What links the Podkamennaya Tunguska River in Eastern Siberia, the Motley Rocks tract on the Siberian Popigai River and beautiful karst wells on the Yucatan Peninsula? How did Pompeii, Stabii and Herculaneum die? How was the city of Saint-Pierre on the island of Martinique and its 30,000 inhabitants destroyed? Why is Armenia shaken by earthquakes and Japan disturbed by tsunamis? Why did you drill a well with a depth of more than 12,000 meters on the Kola Peninsula? The Earth keeps many secrets in its bowels and at the bottom of the oceans, but many of the mysteries of our planet have already been solved by geologists. You have to read about all this here. Phenomena that seem incredible explain big science.