79 CE
The year Mount Vesuvius erupted and buried the Roman cities of Pompeii and Herculaneum, preserving an extraordinary record of daily life in the ancient world while also marking the death of Emperor Vespasian and the succession of his son Titus.
Disaster & Destruction
- Mount Vesuvius erupted on August 24, burying the cities of Pompeii and Herculaneum under meters of volcanic ash, pumice, and pyroclastic flows, killing an estimated 2,000 or more people.
- Pompeii was covered by approximately four to six meters of ash and pumice, while Herculaneum was engulfed by superheated pyroclastic surges that carbonized organic materials and killed inhabitants instantly.
- Pliny the Elder, the renowned Roman naturalist and commander of the fleet at Misenum, died while attempting to rescue people by ship from the affected coastal towns.
- His nephew, Pliny the Younger, recorded the eruption in two letters to the historian Tacitus, providing the first detailed eyewitness account of a volcanic eruption in history.
Geopolitics & Power
- Emperor Vespasian died on June 23 after a decade-long reign that had restored stability to Rome following the civil wars of 69 CE, and was succeeded by his son Titus.
- Titus became emperor and quickly faced the challenge of responding to the Vesuvius disaster, directing relief efforts and financial aid to the affected region.
Climate & Environment
- Atmospheric carbon dioxide concentration was approximately 278 parts per million, as later confirmed by ice core analysis.
Society & Population
- The global population is estimated to have been approximately 254 million.