The Probable Volcano Problem of the Ptolemaic Kingdom

The timing of volcanic eruptions—and the fallout from said eruptions—coincided with the unrest in the Ptolemaic Kingdom.

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teBy Shelby Traynor

Collage by Alex Hanson

The fall of the Ptolemaic Kingdom in 30 BC was nothing if not dramatic: there was unrest and uprising in Egypt, the death of Queen Cleopatra VII, and the surge of the Roman Empire. According to researchers addressing the European Geosciences Union General Assembly in April, volcanic eruptions probably had a hand in the fall of the Ptolemaic dynasty as well. That’s right, volcanoes.

A team of volcanologists and historians, including Joseph Manning of Yale and Francis Ludlow of Trinity College Dublin, got together to compare notes. When they studied historical accounts alongside data from ice cores in Greenland and Antarctica (samples acting as chemical roadmaps to the past), they found the timing of eruptions—and the fallout from said eruptions—coincided with the unrest in the Ptolemaic Kingdom. Continue reading “The Probable Volcano Problem of the Ptolemaic Kingdom”