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en.wikipedia.org/wiki/Richter_magnitude_scale

The Richter magnitude scale (also Richter scale) assigns a magnitude number to quantify the ... As energy release is generally proportional to the shaking amplitude raised to ... 5 releases 31.6 times as much energy as an earthquake of magnitude 4. ... Richter established a magnitude 0 event to be an earthquake that would ...

www.answers.com/Q/A_magnitude_of_a_4.0_earthquake_releases_just_over_times_more_energy_than_a_2.0_magnitude_earthquake

A magnitude-4.0 earthquake releases just over times more energy than a 2.0 ... ten times as much for each magnitude increase; thus a magnitude 7 is 1000 ...

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

USGS Earthquake Hazards Program, responsible for monitoring, reporting, and ... How much bigger is a magnitude 8.7 earthquake than a magnitude 5.8 ... of the magnitude of an earthquake versus the strength, or energy release, of an ... The difference between these two magnitudes is. ... times stronger (energy release).

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

Earthquakes with magnitude of about 2.0 or less are usually called ... shocks annually - are strong enough to be recorded by sensitive seismographs all over the world. ... scale corresponds to the release of about 31 times more energy than the amount ... for which ML and Mblg are the only magnitudes that can be measured.

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

USGS Earthquake Hazards Program, responsible for monitoring, reporting, and researching ... Magnitude and Intensity measure different characteristics of earthquakes. Magnitude measures the energy released at the source of the earthquake. ... II. Felt only by a few persons at rest, especially on upper floors of buildings. III.

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

A magnitude 8.7 earthquake is 794 times BIGGER on a seismogram than a ... really the energy or strength that knocks down buildings, this is really the more ... of magnitude 5.8 to equal the energy released by one magnitude 8.7 event. ... Therefore, using the shortcut shown earlier for the amplitude calculation, the energy is,

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

In California, for example, there are two plates - the Pacific Plate (which extends from ... A magnitude 12 earthquake would require a fault larger than the earth itself. ... But history shows they occur in the same general patterns over time, principally ... California, however, has the most damaging earthquakes, including a M6.0 ...

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

In other words, a two is 10 times more intense than a one and a three is 100 times greater. ... That is, the wave amplitude in a level 6 earthquake is 10 times greater than ... while it is correct to say that for each increase in 1 in the Richter magnitude ... magnitude scale corresponds to the release of about 31 times more energy ...

www.montereyinstitute.org/courses/DevelopmentalMath/TEXTGROUP-1-19_RESOURCE/U18_L4_T2_text_container.html

The magnitude of an earthquake is related to how much energy is released ... The intensity of an earthquake will typically measure between 2 and 10 on ... An earthquake is measured with a wave amplitude 392 times as great as A0. ... The dishwasher noise is how many times more intense than the hot water pump noise ?

www.quora.com/How-many-times-stronger-is-an-8-8-magnitude-earthquake-than-a-7-0-earthquake

The answer depends a on what you mean by "stronger." Conrad Richter developed the original ... Every two-tenths of a unit on the Richter scale corresponds to a 1.585-fold ... For example, the M7.0 Haiti earthquake in 2010 left at least 50,000 dead ... A magnitude 8.8 releases about 500 times more energy than a 7.0.