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en.wikipedia.org/wiki/Moment_magnitude_scale

The moment magnitude scale is used by seismologists to measure the size of earthquakes. ... Thus, an earthquake of Mw of 7.0 releases about 32 times as much energy as .... Most earthquake magnitude scales suffered from the fact that they only ... (where E is in Joules and M0 is in N-m), Kanamori approximated Mw by.

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 of a 4.0 earthquake releases just over times more energy than a 2.0 ... is released from am earthquake of a magnitude 3.0 to a magnitude of 2.0?

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.

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

3 days ago ... The Richter Scale used for earthquake magnitude is a logarithmic scale. ... another 10 times as much, so the energy difference is 10 * 10 = 100.

www.english.ucla.edu/all-faculty/335-kelly-kiloton-index-of-earthquake-moment-magnitudes

The Richter Earthquake Magnitude Scale, which was perfected by Charles Richter ... on the seismic "moment of force," translated to the equivalent energy released by ... Thus, R 2.0 corresponds to the detonation of 1 ton of TNT, R 3.0 = 32t, R 4.0 ... just over one position larger on the Richter scale, was 62 times bigger than ...

www.e-education.psu.edu/earth520/content/l7_p4.html

When an earthquake happens, the main quantity of interest is its magnitude. ... about the Richter scale is that for most earthquakes of interest, the magnitudes end up ... Seismic moment (M0) is simply the product of the average amount of slip that ... energy released by an earthquake because you have to integrate over time ...

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 ... That is, the wave amplitude in a level 6 earthquake is 10 times greater than in a ... it is correct to say that for each increase in 1 in the Richter magnitude there is a ... magnitude scale corresponds to the release of about 31 times more energy ...

www.washingtonpost.com/graphics/2017/world/mexico-quake

3 days ago ... Over 200 earthquakes ... A magnitude-8 earthquake can release about a million times more energy than a magnitude 4, not twice as much, since the magnitude scale is ... 8.1 magnitude. 8. Sept. 19. 7.1 magnitude. 7. 6. 5. 4. 3. 2. 1. 0. Sept. 4 ... Note: chart only includes events of magnitude 4 or greater.