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The Prehistoric Disaster That Almost Erased Humans From Earth
Mental Floss • • science
Key Points:
- Around 70,000 years ago, a catastrophic eruption of Mount Toba in present-day Indonesia nearly wiped out humanity, reducing the population to about one thousand reproductive adults.
- The eruption ejected approximately 2,800 cubic kilometers of material, causing global cooling, a dimmed sun for six years, and a significant drop in temperature by 5 to 9 degrees Celsius, leading to widespread starvation and death.
- This event forced surviving humans to form larger communities for survival, which eventually helped populations to recover and thrive over time.
- Another major climate event, the Younger Dryas around 14,500 years ago, caused further population decline before the onset of the stable Holocene Epoch, which enabled agricultural development and population growth.
- Human population has since grown exponentially, reaching over 8.3 billion in 2026, but history shows that humanity remains vulnerable to natural disasters despite advances in technology.
