Sunday, February 26, 2012

Mercalli v.s Richter Scale


Mercalli Scale
Richter Scale
Qualitative Evidence
Quantitative Evidence
Based on observation and judgment, machines are not used
Uses a seismometer to measure the magnitude of an earthquake
Scale of I-XII in Roman numerals
Scale of 1-10
Less accurate and scientific compared the Richter scale
More accurate since it is logarithmic and open ended. (no max value)
Measures the effects of an earthquake
Measures the magnitude of an earthquake
Invented in 1902
Invented in 1935
















Look at this link for further info :)
http://www.geography-site.co.uk/pages/physical/earth/richt.html

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