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How Does The Richter Scale Work?

Nepal has been hit by two huge earthquakes, a 7.8 and a 7.3 on the Richter Scale. What are the different ways seismologists measure earthquakes and what do these ratings mean? Read More: Earthquake Facts and Statistics http://earthquake.usgs.gov/earthquake... How Earthquakes Work http://science.howstuffworks.com/natu... The Modified Mercalli Intensity Scale http://earthquake.usgs.gov/learn/topi... "The effect of an earthquake on the Earth's surface is called the intensity. The intensity scale consists of a series of certain key responses such as people awakening, movement of furniture, damage to chimneys, and finally - total destruction." Magnitude VS Intensity http://pnsn.org/outreach/about-earthq... "Perhaps no seismic subject is as irksome to seismologists as discussions of earthquake size. There often seems to be no end of confusion, misunderstanding, and over-interpretation of what are really pretty crude metrics." ____________________ DNews is dedicated to satisfying your curiosity and to bringing you mind-bending stories & perspectives you won't find anywhere else! New videos twice daily. Watch More DNews on TestTube http://testtube.com/dnews Subscribe now! http://www.youtube.com/subscription_c... DNews on Twitter   / dnews   Trace Dominguez on Twitter   / tracedominguez   Julia Wilde on Twitter   / julia_sci   DNews on Facebook   / discoverynews   DNews on Google+ http://gplus.to/dnews Discovery News http://discoverynews.com Download the TestTube App: http://testu.be/1ndmmMq