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## Richter magnitude scale - Wikipedia

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...

## How much bigger is a magnitude 8.7 earthquake than a magnitude ...

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 ... Since it is 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.

## Richter Scale & Magnitude - SMS Tsunami Warning

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

The Richter magnitude scale (often shortened to Richter scale) is the most ... That is, the wave amplitude in a level 6 earthquake is 10 times greater than in a ... The amount of energy released increases 31.7 times between whole number values. ... empirical function A0 depends only on the epicentral distance of the station, .

## APPLICATIONS OF EXPONENTIAL AND LOGARITHMIC FUNCTIONS

www.sosmath.com/algebra/logs/log5/log56/log56.html

In 1935 Charles Richter defined the magnitude of an earthquake to be ... The largest had magnitude of 8.9 on the Richter scale, and the smallest had magnitude 0. ... An earthquake of magnitude 8 is $10\times 10\times 10=1000$ ... How many times more intense was the San Francisco earthquake described in Example 1?

## How Are Earthquake Magnitudes Measured?

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).

## How many times stronger is an 8.8 magnitude earthquake than a 7.0 ...

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 ... How would an earthquake of magnitude 10 on the Richter scale feel like? ... 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.

## Topic 2 - The Monterey Institute for Technology and Education

www.montereyinstitute.org/courses/DevelopmentalMath/COURSE_TEXT2_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 ?

## Earthquakes - Teacher Friendly Guide to Geology

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 ...