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How long does a tsunami last?

Updated: 8/11/2023
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Wiki User

8y ago

Best Answer

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
2y ago
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8y 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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Wiki User

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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Wiki User

14y ago

a tsunami can last for 1 day up to 2 weeks

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Wiki User

9y 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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Wiki User

11y ago

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

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Navya Jeyanthakumar

Lvl 2
4y ago

It can last up to 1 or 2 hrs.

the max is several days

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Wiki User

14y ago

Tsunamis can reach up to 1,759 feet

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Wiki User

12y ago

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

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