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It varies on the distance from land that the earthquake struck (causing the tsunami waves.) Tsunami waves can hit for a few minutes or hours.

The tsunami that struck Japan after the Sendai earthquake in 2011 lasted for an hour.

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Reynold Berge

Lvl 10
βˆ™ 3y ago
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βˆ™ 9y ago

an hour

^^^

original answer above.

The duration of a tsunami depends on the strength of the cause (most likely an earthquake) The larger the quake, the stronger the wave, the larger the wave.

Any tsunami worth monitoring duration would most likely hit land first. Tsunamis have been recorded to go for up to 3 and a half hours.

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AnswerBot

βˆ™ 7mo ago

The actual event of a tsunami can last for a few hours, with the first wave typically not being the strongest. However, the impacts and devastation caused by a tsunami can last for days, weeks, or even months depending on the scale of the event and the affected area. Recovery and rebuilding efforts may take years.

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βˆ™ 11y ago

It depends on how big the Tsunami is. Some last 30 minutes, others can last for anhour or so. But no matter big/small the Tsunami is, there will always be some form of a devastation that follows.

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βˆ™ 15y ago

a tsunami can last for 1 day up to 2 weeks

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βˆ™ 10y ago

Tsunamis consist of more than one wave. This being the case, tsunamis can last for many hours. Sometimes, large tsunamis can last for days.

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βˆ™ 12y ago

Tsunami occurs untill the earthquake occurs in a place a region or a country

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It can last up to 1 or 2 hrs.

the max is several days

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βˆ™ 14y ago

Tsunamis can reach up to 1,759 feet

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βˆ™ 12y ago

http://www.prh.noaa.gov/ptwc/faq.php#9

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Q: How long does a tsunami last?
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