Mercalli scale

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Mercalli scale

A Dictionary of Ecology | 2004 | | Â© A Dictionary of Ecology 2004, originally published by Oxford University Press 2004. (Hide copyright information) Copyright

Mercalli scale An earthquake-intensity scale based on direct observation. Devised by G.Mercalli, it ranges from scales I (not felt) and II (felt by most people at rest) to VII (difficult for a person to remain standing), X (most structures destroyed), and XII (total devastation). It is not a reliable scale for energy release because the extent of destruction depends on the local geology, type of buildings, etc. See also Richter scale.

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MICHAEL ALLABY. "Mercalli scale." A Dictionary of Ecology. 2004. Encyclopedia.com. 11 Nov. 2009 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "Mercalli scale." A Dictionary of Ecology. 2004. Encyclopedia.com. (November 11, 2009). http://www.encyclopedia.com/doc/1O14-Mercalliscale.html

MICHAEL ALLABY. "Mercalli scale." A Dictionary of Ecology. 2004. Retrieved November 11, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O14-Mercalliscale.html

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Mercalli scale

A Dictionary of Earth Sciences | 1999 | | Â© A Dictionary of Earth Sciences 1999, originally published by Oxford University Press 1999. (Hide copyright information) Copyright

Mercalli scale An earthquake-intensity scale based on direct observation. It ranges from scales I (not felt) and II (felt by most people at rest), to VII (difficult for a person to remain standing), X (most structures destroyed), and XII (total devastation). It is not a reliable scale for energy release because the extent of destruction depends on the local geology, type of buildings, etc. See also RICHTER MAGNITUDE SCALE.

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AILSA ALLABY and MICHAEL ALLABY. "Mercalli scale." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 11 Nov. 2009 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "Mercalli scale." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (November 11, 2009). http://www.encyclopedia.com/doc/1O13-Mercalliscale.html

AILSA ALLABY and MICHAEL ALLABY. "Mercalli scale." A Dictionary of Earth Sciences. 1999. Retrieved November 11, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-Mercalliscale.html

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Mercalli, Giuseppe

A Dictionary of Earth Sciences | 1999 | | Â© A Dictionary of Earth Sciences 1999, originally published by Oxford University Press 1999. (Hide copyright information) Copyright

Mercalli, Giuseppe (1815–1914) An Italian professor of natural sciences who studied the major earthquake districts of Italy, Mercalli is best known for his scale of earthquake intensity, first formulated in 1897, and refined several times. See also MERCALLI SCALE.

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AILSA ALLABY and MICHAEL ALLABY. "Mercalli, Giuseppe." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 11 Nov. 2009 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "Mercalli, Giuseppe." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (November 11, 2009). http://www.encyclopedia.com/doc/1O13-MercalliGiuseppe.html

AILSA ALLABY and MICHAEL ALLABY. "Mercalli, Giuseppe." A Dictionary of Earth Sciences. 1999. Retrieved November 11, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-MercalliGiuseppe.html

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