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Modified Mercalli Intensity Scale of Earthquake Effect

Specialty:

Emergency Medicine & Critical Care
Emergency Medicine & Critical Care

Objective:

ICD-10:

Description:

The Modified Mercalli (MM) Intensity Scale is used in the United States to indicate the intensity of an earthquake. It was developed by Harry Wood and Frank Neumann in 1931. It is an arbitrary ranking based on observed effects associated with the quake, ranging from very minimal change to total destruction.

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