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The magnitude measures the maximum motion recorded by a seismograph with of range of values typically from 0.1 to 10 through there is no real upper limit to the scale. An earthquakes with a magnitude less than 2.5 is considered minor and usually not felt, but can be recorded by seismograph. Magnitudes 5.0 to 5.9 is considered moderate.

Deaths have been attributed to earthquakes with a magnitude low as 5.5, but it is still possible that person's death can be caused by an earthquake with a smaller magnitude either from fallen debris or a loose gas/electrical line.

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11y ago

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