en.wikipedia.org/wiki/Richter_magnitude_scale

The Richter magnitude of an earthquake is determined from the ... the empirical
function A0 depends only on the epicentral distance of ... 31.6 times the amount
of energy released, and each increase...

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

Jun 6, 2016 ... The time, locations, and magnitude of an earthquake can be ... to the release of
about 31 times more energy than the amount associated ... At first, the Richter
Scale could be applied only to the records from ... earthquakes of any distance
and of focal depths ranging between 0 ... MW = 2/3 log10(MO) - 10.7 .

www.geo.mtu.edu/UPSeis/intensity.html

There are a number of ways to measure the magnitude of an earthquake. ... But
only the moment magnitude scale is capable of measuring M8 (read 'magnitude
8') and ... Magnitudes are based on a logarithmic scale (base 10). ... shaking as a
magnitude 4 earthquake (and 32 times as much energy would be released).

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 by
the ... An earthquake is measured with a wave amplitude 392 times as great as A
0. ... the second 10—so a sound that is 75 decibels is 100 times more intense
than a ... How high did this earthquake measure on the Richter scale? A) 1. B) 3.
C) 5.

study.com/academy/lesson/using-the-richter-scale-to-measure-earthquakes.html

In this video lesson, you will learn about earthquake magnitude and how it is ...
Explore Over .... how that relates to the amount of energy released during an
earthquake, as well as ... An earthquake is just what it sounds like - the quaking
of Earth. ... so from magnitude 1 to magnitude 3, and this is 10 times more than
that first ...

geology.teacherfriendlyguide.org/index.php/hazards-w/hazards-earthquakes-w

The rocks then snap apart, releasing energy in the form of seismic waves (Figure
10.2). ... Although the San Francisco earthquake was quite large, most of the
damage to ... Magnitude (M) is the measure of the energy released by the
earthquake, ... a M9.0 earthquake would have 10 times the amplitude, and
release 32 times ...

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

For example, the M7.0 Haiti earthquake in 2010 left at least 50,000 dead
whereas ... The Richter scale is a base-10 logarithmic scale, "which defines
magnitude as the ... stronger than a five, 100 times stronger than a 4, and 1000
times stronger than a 3. ... A magnitude 8.8 releases about 500 times more
energy than a 7.0.

www.pnsn.org/outreach/about-earthquakes/magnitude-intensity

However, earthquake magnitude has no physical units, nor a meaningful 0. ... An
earthquake causing motion at that distance 10 times larger than an M2 is an M3
... This Live Science animation will help you visualize the expodential magnitude
scale in terms of energy released. ... More about Magnitudes - The 3 Approaches.

www.physicalgeography.net/fundamentals/10m.html

Earthquake motion is caused by the quick release of stored potential energy ...
About 90% of all earthquakes occur at a depth between 0 and 100 kilometers. ...
Figure 10m-3: Movement of body waves away from the focus of the earthquake.
... Thus, each unit increase in magnitude represents 10 times more energy
released.

www.explainthatstuff.com/earthquakes.html

Oct 16, 2015 ... An easy-to-understand explanation of what causes earthquakes, how ... on the
Richter scale involves 10 times more movement than an earthquake ... If the next
earthquake you feel is magnitude 3.0, the shock waves ... A magnitude 8.0
earthquake releases 32 times more energy than a ... Shaking all over.