Tsunami Velocity Calculator

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Tsunami Velocity Calculator:

Enter the values of gravity, G(m/s2) and depth, D(m) to determine the value of tsunami velocity, Vt(MPH).

Enter Acceleration Due to Gravity : m/s2
Enter Depth : m
   
Result – Tsunami Velocity : MPH

Tsunami Velocity Calculator:

Tsunami velocity is a critical measure in oceanography and disaster management, indicating the speed at which a tsunami wave travels across the ocean.

This speed is primarily influenced by the depth of the water and the acceleration due to gravity.

Understanding tsunami velocity is essential for predicting the arrival times of tsunamis at different coastlines, allowing for timely evacuations and reducing the risk of catastrophic impacts.

Tsunami velocity, Vt(MPH) in miles per hour is calculated by the square root of the product of gravity, G(m/s2) in metres per second squared and depth, D(m) in metres is then multiplied by 2.237.

Tsunami velocity, Vt(MPH) = √( G(m/s2)* D(m)) * 2.237

Vt(MPH) = tsunami velocity in metres per second, m/s.

G(m/s2) = acceleration due to gravity in metres per second squared, m/s2.

D(m) = depth in metres, m.

Tsunami Velocity Calculation:

1.Calculate the velocity of a tsunami traveling through an ocean segment where the depth of the water is 15,000 m.

Given: G(m/s2) = 32.2m/s2, D(m) = 15000m.

Tsunami velocity, Vt(MPH) = √( G(m/s2)* D(m)) * 2.237

Vt(MPH) = √( 32.2 * 15000) * 2.237

Vt(MPH) = √(483,000) * 2.237

Vt(MPH) = 695 * 2.237

Vt(MPH) = 1554MPH.

2.Suppose the tsunami velocity is given as 500 mph. Find the depth.

Given: G(m/s2) = 32.2m/s2, Vt(MPH) = 500MPH.

Tsunami velocity, Vt(MPH) = √( G(m/s2)* D(m)) * 2.237

D(m) = (Vt(MPH) / 2.237)2/ G(m/s2)

D(m) = (500 / 2.237)2 / 32.2

D(m) = 49956.25 / 32.2

D(m) = 1551m.

Applications and Considerations:

  • Disaster Preparedness: Fast and accurate calculations of tsunami velocity are vital for generating effective tsunami warnings.
  • Oceanographic Research: Scientists study tsunami velocities to understand deep-sea dynamics and to model tsunami propagation.
  • Coastal Engineering: Knowing tsunami speeds helps in designing coastal defences like sea walls and evacuation routes.
  • Public Safety: Rapid dissemination of tsunami speeds and arrival times can significantly enhance public safety measures during marine emergencies.

 

 

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