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en.wikipedia.org/wiki/Richter_magnitude_scale

The Richter magnitude scale assigns a magnitude number to quantify the size of an earthquake ... As energy release is generally proportional to the shaking amplitude raised to the 3⁄2 ... Richter established a magnitude 0 event to be an earthquake that would .... scale gives somewhat different values than the other scales.

earthquake.usgs.gov/learn/topics/calculator.php

USGS Earthquake Hazards Program, responsible for monitoring, reporting, and researching ... How much bigger is a magnitude 8.7 earthquake than a magnitude 5.8 earthquake? An explanation of the magnitude of an earthquake versus the strength, or energy release, of an earthquake... ... times stronger ( energy release).

earthquake.usgs.gov/learn/topics/how_much_bigger.php

A magnitude 8.7 earthquake is 794 times BIGGER on a seismogram than a ... (10 **8.7)/(10**5.8) = (5.01*10**8)/(6.31*10**5) = .794*10**3 = 794 OR ... it is really the energy or strength that knocks down buildings, this is really the more ... Therefore, using the shortcut shown earlier for the amplitude calculation, the energy is,

earthquake.usgs.gov/learn/topics/measure.php

The time, location, and magnitude of an earthquake can be determined from the ... corresponds to the release of about 31 times more energy than the amount ... For all other earthquakes, the moment magnitude scale is a more accurate ... of earthquakes of any distance and of focal depths ranging between 0 and 700 km.

www.sms-tsunami-warning.com/pages/richter-scale

Large-magnitude earthquakes that occur beneath the oceans may not even be ... 10 times greater than in a level 5 earthquake, and the amplitude increases 100 times ... corresponds to the release of about 31 times more energy than the amount ... called the moment magnitude scale MMS has been devised for more precise ...

www.answers.com/Q/A_magnitude_5.0_earthquake_releases_about_times_more_energy_than_a_4.0_magnitude_earthquake

A magnitude 5.0 earthquake releases about times more energy than a 4.0 ... How much more energy is released by a magnitude 5.0 earthquake than in a 4.0 ...

www.sciencemag.org/news/2011/03/comparing-earthquakes-explained

Mar 15, 2011 ... Get more great content like this delivered right to you! ... An earthquake of magnitude 5 shakes 10 times as violently as an earthquake ... another is 4, than the difference in magnitudes is 2, so the stronger earthquake ... Another common approach is to talk about the relative amounts of energy they release.

socratic.org/questions/approximately-how-much-more-energy-is-released-in-a-magnitude-7-earthquake-compa

Sep 20, 2017 ... Answer: The Richter Scale used for earthquake magnitude is a logarithmic scale. ... From 5 to 6 is one step change, or 10 times as much.

www.huffingtonpost.com/entry/the-magnitude-of-earthquakes_us_59c65823e4b08d66155042cd

Sep 23, 2017 ... For example, a 7.0 magnitude earthquake releases 1,000 times more energy than a 5.0 one. (An excellent article in the Los Angeles Times on ...