Magnitude of Earthquake
Magnitude of Earthquake
Magnitude of an Earthquake: The most common scale used to measure the magnitude of an earthquake is the Richter scale. An earthquake of magnitude 2.0-4.0 on the Richter scale is not too damaging. One of magnitude 4-8 is considered a moderate to severe earthquake. An earthquake of magnitude greater than 8-9 would be very severe. On 26 January 2001, there was a major earthquake of magnitude 7.6-8.1 in Gujarat. Records of earthquakes
| Magnitude | Earthquake effect |
| 2.5 or less | Usually not felt, but can be recorded by seismograph. |
| 2.5 to 5.4 | Often felt, but only causes minor damage. |
| 5.5 to 6.0 | Slight damage to buildings and other structures. |
| 6.1 to 6.9 | May cause a lot of damage in very populated areas. |
| 7.0 to 7.9 | Major earthquake. Serious damage. |
| 8.0 or greater | Great earthquake. Can totally destroy communities near the epicenter. |
Earthquakes with magnitude greater than 7.5 are called ______________________. | |||
| Right Option : A | |||
| View Explanation | |||
When the magnitude of earthquake is _______________________,it is great earthquake. Can totally destroy communities near the epicenter. | |||
| Right Option : D | |||
| View Explanation | |||
An earthquake of magnitude 2 on Richter Scale is ten times as strong as an earthquake of magnitude 1 on the same scale. | |||
| Right Option : B | |||
| View Explanation | |||
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