The land of Sannikov

Vladimir Afanasevich Voruchev (1863 - 1956) - Russian and Soviet geologist, geographer, traveler, writer and popularizer of science. At the beginning of the 19th century, he happened to work in a geological and geographical expedition in the north of Yakutia. From local residents, Obruchev heard a story about the mysterious land in the distant Arctic Ocean, where the disappeared tribe of onkilons found shelter. So the scientific and fiction novel by V. Voruchev “The Earth of Sannikov”, which was first published in 1926.
The mysterious people affably meets the Russian expedition: they live together, hunt, fight with the surviving people of the ancient penny-Vampu. So the novel begins. However, the earthquake has been changing the course of events. Will cataclysms destroy life on volcanic land? Will members of the Russian expedition save?