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The magnitude of an earthquake is measured with a seismograph and the readout is measured using the Richter scale - See Sources and related links for more information.
The biggest earthquake measured 9.5 on the ritcher scale.
The size of an earthquake is measured on the Ricter scale it can also be measured on the Mercalli scale.For an example the 2008 earthquake in China was 7.8 on the Rictor scale and in was XI on the Mercalli scale
you need to know what size was the wave that caused the destruction and for reasons of statistics. you have a wave size and you get an earthquake wich epicenter is in the sea, you know what size of wave to spect in the coast and the time to evaquate.
Tsunami
it depends on the earthquake
The magnitude of an earthquake is measured with a seismograph and the readout is measured using the Richter scale - See Sources and related links for more information.
You use a seismograph to measure the strength of an earthquake.
epicenter
the weather during the day of the earthquake
The strength of an earthquake is measured on the Richter scale. The Richter scale is logarithmic, meaning that if the earthquake's strength increases by 1 on the Richter scale, it is 10 times more powerful, e.g. an earthquake measuring 5.0 is 10x more powerful than an earthquake measuring 4.0. The strength of an earthquake is measured using a seismograph which measures the vibrations in the ground.
The Haiti Earthquake measured about 7 on the Richter Scale.
The biggest earthquake measured 9.5 on the ritcher scale.
The size of an earthquake is measured on the Ricter scale it can also be measured on the Mercalli scale.For an example the 2008 earthquake in China was 7.8 on the Rictor scale and in was XI on the Mercalli scale
They are measured on the Richter Scale, if you are talking about the magnitude
alot
Destruction Terror Death...