Search results
Results from the WOW.Com Content Network
The tsunami is known as the Hawaii April Fools' Day Tsunami because it happened on 1 April and many people thought it was an April Fool's Day prank. The result was the creation of a tsunami warning system known as the Pacific Tsunami Warning Center (PTWC), established in 1949 for the countries of Oceania .
On Dec. 26, 2004, a 9.2-magnitude earthquake shook Southeast Asia, triggering the worst tsunami in recorded history. According to United Nations estimates, more than 220,000 people were killed ...
While Japan may have the longest recorded history of tsunamis, [23] [better source needed] the sheer destruction caused by the 2004 Indian Ocean earthquake and tsunami event mark it as the most devastating of its kind in modern times, killing around 230,000 people. [24]
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 .
Tsunamis can occur when an underwater earthquake rapidly displaces massive amounts of water, leading to a large, long wave that builds in intensity as it crosses the ocean.
A megatsunami is a tsunami with an initial wave amplitude measured in many tens or hundreds of metres.The term "megatsunami" has been defined by media and has no precise definition, although it is commonly taken to refer to tsunamis over 100 metres (330 ft) high. [2]
An earthquake and a tsunami destroyed the prosperous Greek city Helike, lying 2 km away from the sea. The fate of the city, which remained permanently submerged, was often commented upon by ancient writers and may have inspired Plato when writing his story of Atlantis in Timaeus and Critias. [2] 227 BC Dodecanese, Greece: Unknown Earthquake
Tsunamis there are relatively rare despite earthquakes being relatively frequent in Indonesia. The last major tsunami was caused by the 1883 eruption of Krakatoa. Not every earthquake produces large tsunamis: on 28 March 2005, a magnitude 8.7 earthquake hit roughly the same area of the Indian Ocean but did not result in a major tsunami.