# How do you calculate the speed of a tsunami?

GeologyTsunami speed can be computed by **taking the square root of the product of the acceleration of gravity**, which is 32.2 feet (9.8 meters) per second squared, and water depth. In 15,000 feet (4,600 meters) of water, this works out to almost 475 mph (765 km/h).

## How do you calculate wave speed?

Wave speed is the speed at which a wave travels. Wave speed is related to wavelength, frequency, and period by the equation **wave speed = frequency x wavelength**. The most commonly used wave speed is the speed of visible light, an electromagnetic wave.

## What is the average speed of a tsunami?

Since the average depth of the Pacific ocean is 4000 m (14,000 feet) , tsunami wave speed will average about **200 m/s or over 700 km/h (500 mph)**. At such high speeds, a tsunami generated in Aleutian Islands may reach Hawaii in less than four and a half hours.

## How are tsunamis measured?

Tsunamis are detected and measured **by coastal tide gages and by tsunami buoys in the deep ocean**. The tide gages measure the tsunami wave directly. In the deep ocean, sensors on the ocean floor detect the pressure signature of tsunami waves as they pass by.

## How do you calculate wave speed and frequency?

Quote from video:*And the period of the wave. Let's start with that first one to find the speed of the wave if we can actually just take a look at a standard equation to find speed. When we're trying to find speed of*

## How do you find the speed of a wave when given the wavelength and period?

So in a time of one period, the wave has moved a distance of one wavelength. Combining this information with the equation for speed (**speed = distance/time**), it can be said that the speed of a wave is also the wavelength/period.

## What is the formula to calculate wavelength?

Wavelength can be calculated using the following formula: **wavelength = wave velocity/frequency**. Wavelength usually is expressed in units of meters. The symbol for wavelength is the Greek lambda λ, so λ = v/f.

## How do you calculate the wavelength of a wave?

**How to calculate wavelength**

- Determine the frequency of the wave. For example, f = 10 MHz . …
- Choose the velocity of the wave. …
- Substitute these values into the wavelength equation λ = v/f .
- Calculate the result. …
- You can also use this tool as a frequency calculator.

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