What Is the Mercalli Scale?


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The Mercalli scale is a method of measuring the strength of an earthquake. This scale uses definitions based on the experiences of people in areas affected by earthquakes.

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What Is the Mercalli Scale?
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The Mercalli scale also takes into account the observations of individuals in relation to the damage done to buildings in affected areas. It is used in differing forms as an integral part of maintenance software aimed at recording intensity levels during an earthquake.

The Mercalli scale has 12 levels. At level one, the earthquake is not observable by individuals and is only picked up by seismographs. By level six, people in the area experience trees swaying and falling objects causing damage. Level 12 would encompass total destruction of the affected area.

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