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The magnitude of an earthquake is a measure of how intense it was, measured on what is called the Richter scale, Most people will not notice an earthquake of 3 on the scale, most will notice 4 easily, but no damage is done. A measure of 6 on the Richter scale will break a lot of windows and crockery, and crack some building foundations. 7 on the scale will do considerable damage - some buildings will collapse outright, highway overpasses may come down. 8 on the Richter scale will be widespread, devastating damage.

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What size magnitude quake would rock the whole world?

A magnitude 9.0 earthquake would likely have global impacts, causing widespread damage and triggering tsunamis across multiple regions. The 2004 Indian Ocean earthquake, with a magnitude of 9.1-9.3, is an example of how such a large quake can have far-reaching consequences.


How large does an earthquake have to be to be considered great?

the largest earth quake recorded was a 9.9 magnitude earth quake in japan


Why don't moderate earthquakes decrease the chances of major quake in the same region?

Moderate earthquakes release stress along faults, reducing the buildup of pressure that could lead to a major quake. They can also help to stabilize the fault line. However, there is still a possibility that moderate earthquakes could trigger a major quake if the stress transfer is significant enough.


Differentiate between magnitude and intensity?

The difference between magnitude and intensity is.... Intensity is the effects of the earth quake. aka: damage and devastation. Magnitude is the strength of the earth quake that is measured by the Richter Scale. (correct me if im wrong at all) :)


What is the difference in strength between a 7.0 magnitude earthquake and a 9.0 magnitude earthquake?

-3.0 magnitude or if you want the ground motion: Each time the magnitude increases by one unit, the measured ground motion becomes 10 times larger. For example, an earthquake with a magnitude of 5.0 on the Richter scale will produce 10 times as much ground motion as an earthquake with a magnitude of 4.0. Furthermore, an earthquake with a magnitude of 6.0 will produce 100 times as much ground motion (10 × 10) as an earthquake with a magnitude of 4.0.

Related Questions

What would be the magnitude of an quake that is 32 times stronger than a 6.2 quake?

7.6


What was the magnitude of the highest quake in Japan?

2011


Out of the Northridge and Chino Hills quakes which was the strongest?

the Northridge quake was a 6.7 magnitude and the Chino Hills quake was a 5.4, so the Northridge quake was stronger


What was the rate of the San Francisco earthquake?

7.9 magnitude of 1906 quake.


How long was Alaska's great quake?

It had a five minute duration and a magnitude of 9.2.


What are facts about the tsunami in Japan?

It was 23 feet high and the quake was magnitude 8.9.


What size magnitude quake would rock the whole world?

A magnitude 9.0 earthquake would likely have global impacts, causing widespread damage and triggering tsunamis across multiple regions. The 2004 Indian Ocean earthquake, with a magnitude of 9.1-9.3, is an example of how such a large quake can have far-reaching consequences.


How large does an earthquake have to be to be considered great?

the largest earth quake recorded was a 9.9 magnitude earth quake in japan


What is the energy of the earthquake magnitude?

I have recently done some some research on this subject having just lived through the 7.1 quake in Canterbury,New Zealand.On esource of information estimated the energy released from this size quake was 700kilotonnes or 700000 tonnes of TNT explosive.The depth of this quake is estimated to be 10km deep. Peter


What was the magnitude of the earthquake that struck Qinghai China on April 14 2010?

China's Qinghai Hit By Magnitude 6.9 Quake and At Least 67 Dead


What country had the largest records earthquake?

The most powerful earthquake recorded in modern times was the 9.5 magnitude quake (moment magnitude) that struck Valdivia, Chile on May 22, 1960.


How many times stronger is an earthquake with a magnitude of 5.0 than an earthquake with a magnitude of 4.0?

The Richter scales grows by powers of 10, so an increase of 1 point means the strength of an earth quake is 10 times greater than the level before it; for example, and earthquake registering 3.0 on the Richter scale is 10 times stronger than a quake that registered 2.0