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A tsunami hitting a coastline. This article lists notable tsunamis, which are sorted by the date and location that they occurred.. Because of seismic and volcanic activity associated with tectonic plate boundaries along the Pacific Ring of Fire, tsunamis occur most frequently in the Pacific Ocean, [1] but are a worldwide natural phenomenon.
The Ancient Greek historian Thucydides suggested in his 5th century BC History of the Peloponnesian War that tsunamis were related to submarine earthquakes, [12] [13] but the understanding of tsunamis remained slim until the 20th century, and much remains unknown. Major areas of current research include determining why some large earthquakes do ...
The 2004 Indian Ocean earthquake and tsunami occurred on Sunday, December 26, 2004. The earthquake itself, with a moment magnitude of around 9.2-9.3, devastated Aceh Province, Indonesia, while the tsunami affected countries all around the Indian Ocean. Nations which were affected are listed below in alphabetical order.
Tsunamis that cause damage or death near earthquakes occur about two times a year, according to the Global Historical Tsunami Database. A tsunami racing across an ocean and causing damage or deaths more than 620 miles (1,000 kilometers) away happens about twice a decade. Where do they occur? Tsunamis can occur in any ocean, sea or large body of ...
Although National Oceanic and Atmospheric Administration (NOAA) scientists at the Pacific Tsunami Warning Center (PTWC) in Hawaii eventually issued warnings of a possible tsunami from the large earthquake off Sumatra, the waves outran notification systems at jet speeds of 500 mph (804 km/h), catching hundreds of thousands of people unaware.
It was the first detailed documentation of a tsunami in Indonesia and the largest ever recorded in the country. [1] The exact fault which produced the earthquake has never been determined, but geologists postulate either a local fault, or a larger thrust fault offshore. The extreme tsunami was likely the result of a submarine landslide.
A Whatcom County resident survived the deadliest tsunami in recorded history when she was just 13 years old. Now, 19 years after the disaster, she’s telling her story. Monica Connelly was ...
A tsunami earthquake can be defined as an undersea earthquake for which the surface-wave magnitude M s differs markedly from the moment magnitude M w, because the former is calculated from surface waves with a period of about 20 seconds, whereas the latter is a measure of the total energy release at all frequencies. [2]