426 BC Malian Gulf Tsunami

The 426 BC Malian Gulf tsunami was a tsunami devastating the coasts of the Malian and Euboean Gulfs, Greece, in the summer of 426 BC. Thucydides inquired into its causes, and concluded that the tsunami must have been caused by an earthquake, He was thus the first to describe the cause of tsunamis. His predecessor Herodotus, in contrast, had earlier attributed the Potidaea tsunami to the divine wrath of Poseidon.