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The 479 BC Potidaea tsunami is the oldest record of a paleotsunami in human history. [1] The tsunami is believed to have been triggered by a M s 7.0 earthquake in the north Aegean Sea . The associated tsunami may have saved the colony of Potidaea from an invasion by Persians from the Achaemenid Empire .
Based on the effects of a tsunami that hit Japan, a tsunami 20 m (66 ft) probably hit the Chilean coast in AD 1420, which swept boulders inland as if they were pebbles. [5] The 1420 Caldera earthquake generated tsunamis reaching Japan. [6] In the sea off of the Atacama near Caldera, on April 11, 1819, there was a magnitude 8.5 earthquake.
Prehistoric tsunamis are tsunamis and so-called "megatsunamis" that occurred before recorded history. The events have been identified through oral tradition and/or geological evidence. Those events that have been identified through contemporary records are listed as historic tsunamis .
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A Brazilian scientist has identified fossils of a small crocodile-like reptile that lived during the Triassic Period several million years before the first dinosaurs. The fossils of the predator ...
Today's crocodiles may seem fearsome, but an even bigger and predatory version of the animal is believed to have lived on Earth about 130 million years ago. A new study documents the discovery of ...
Deinosuchus (/ ˌ d aɪ n ə ˈ sj uː k ə s /) is an extinct genus of alligatoroid crocodilian, related to modern alligators and caimans, that lived 82 to 73 million years ago (Ma), during the late Cretaceous period.
[1] [2] Thucydides inquired into its causes, and concluded that the tsunami must have been caused by an earthquake. [3] He was thus historically the first known to correctly interpret the cause of a tsunami as a preceding geological event. [4] Herodotus, in contrast, had attributed the Potidaea tsunami to the divine wrath of Poseidon. [5]