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If the tsunami is the result of an earthquake, then scientists take three locations that the earthquake hit. They find a radius by finding out how long it took for P waves and S waves to hit the land. Once they've drawn circles, calculated by the radius, around all three locations there is an epicenter. This is where all three circles intersect. They then have seismographs that show the damage of the earthquake by a Moment Magnitude Scale. Then they predict that a tsunami will follow shortly after and they warn the countries in danger.

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Q: How do scientists prevent and warn tsunamis?
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Related questions

What are some ways people are trying to prevent tsunamis?

People are not trying to prevent tsunamis because scientists know tsunamis cannot be prevented.


What are they doing to prevent tsunamis?

To date, the technology to prevent Tsunamis does not exist.


How can we prevent tsunamis?

Tsunamis cannot be prevented.


How can tsunamis be prevented?

Unfortunately there is nothing we can do to prevent tsunamis.


Do scientists measure tsunamis from space?

Yea they do =)


Are all tsunamis sea-based?

Yes, all tsunamis are sea-based they form at the sea. That is where scientists detect a tsunami. The word tsunami is japenese


How do you prevent from Tsunamis?

make special high places where people can hide


What kinds of things are being done to prevent another event like the sumatra in 2004 earthquake?

I don't think there is, or will be soon, a way to stop earthquakes. They are, I suppose, beefing up early warning devices to monitor quakes to TRY to warn people and also to warn about Tsunamis that an earthquake may spawn;but many of the effected areas are remote and with little communication.


What are the measures that can be taken to prevent tsunamis?

tsunamis are caused by massive earthquakes, flooding and other natural disasters (etc) so therefore there is no possible wat that you can prevent a tsunami from happening or lessen the risk of getting one.


Is there a way to prevent or warn of tornadoes?

There is no way to prevent tornadoes, but warning systems have been in place for decades.


How could you prevent a tsunami or an earthquake in the future?

You can't. Earthquakes and tsunamis cannot be prevented.


What type of tree can resist a tsunami?

Mangroves, usually located at river banks and beaches, have the strength to resist tsunamis, the purpose of mangroves are to prevent tsunamis anyway, they also prevent erosion from occurring and they are responsible for water filtration and soil stabilization.