"Richter Scale showing a measure of an Earthquake on a graph"

19
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Reading Time: 2 minutes 52 seconds
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by Ankush Rana
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Earthquake Strikes Delhi and NCR | Twitter Trends with #Earthquake

An Earthquake of medium intensity with a Richter scale magnitude of 4.2 struck several parts of Delhi and NCR yesterday’s midnight that developed a situation of panic among the residents. As per the geologists, Delhi falls into a seismic zone 4, a high-risk zone.

This week on Thursday night, strong tremors were felt near Delhi around 23:45 HRS for several seconds and the epicentre of the earthquake was 160 km southwest of New Delhi, in Alwar Rajasthan, as per Indian National Centre for Seismology.

The earthquake is supposed to transfer from a depth of 7.5 Km below the surface. The tremors were also felt in regions of Gurugram, Ghaziabad and Noida. So far no causality or property damage has been reported.

How does an earthquake occur?

An Earthquake can be defined as the movement of earth’s tectonic plates due to sudden release of stored energy in the Earth’s crust, causing a flush of seismic waves. These waves are measured using a seismometer, commonly called a seismograph and the magnitude of an earthquake is traditionally measured with a Richter scale aka Moment scale. Anything that falls below 3 Richter scale is of low or no damage potential and magnitudes higher than 7 could be catastrophic. Earthquakes or movement of tectonic plates can sometimes cause Tsunamis, something that world experienced in 2004’s Indian Ocean Tsunami. These tectonic plates cause shaking of Earth due to frictional forces resisting their movements.

Earthquakes could occur both naturally or as a result of Human activities. These could be from tectonic plates, volcanic activities, landslides, nuclear tests, and mining operations. Among all, the most common phenomenon is by movement of tectonic plates beneath the Earth’s surface.

 

How Social Media Responded With #Earthquake

As the earthquake did not cause any significant damage, people around the nation have started trolling memes with hashtag #earthquake, have a look at some below to lighten your mood and to march a good start for your Friday morning.

 

 

 

 

 

 

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December 19, 2020
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