Toba Super-Eruption explores the theory that a massive volcanic event nearly wiped out humanity around 75,000 years ago. This book merges earth sciences, geography, and history to investigate the Toba super-eruption's potential role in creating a population bottleneck. It examines geological evidence, such as widespread tephra deposits, alongside genetic studies showing reduced human genetic diversity that may link to the event. The concept of a “volcanic winter” and its impact on early human survival is central to the argument.
The book's unique value lies in its interdisciplinary approach, combining climatology, anthropology, and genetics to assess the likelihood of a near-extinction event. It highlights intriguing insights, such as the scale of the Toba eruption dwarfing typical volcanic events and the potential for such events to drastically alter human evolution and migration patterns. Beginning with the geological context of the eruption, the book progresses to analyze its environmental consequences and then explores genetic data supporting a population bottleneck. It offers a comprehensive assessment of the Toba bottleneck hypothesis, making it valuable for readers interested in the intersection of earth sciences, human history and the impact of natural disasters.