When and how does an earthquake occur? know the whole thing behind it – न्यूज़लीड India

When and how does an earthquake occur? know the whole thing behind it

When and how does an earthquake occur?  know the whole thing behind it


When and how does an earthquake occur?

The tectonic plates present inside the earth are always moving slowly. But, sometimes due to friction, they get stuck on their edges or collide with each other or climb on each other, enter each other. Generally, due to these reasons, when the conditions of the plates suddenly change or they suddenly change in place, then earthquakes occur. Due to this, energy comes out from the earth’s womb, which comes up after passing through the earth’s crust (crust or outer part of the earth) and we feel vibrations on the surface. The earth’s crust is divided into 7 pieces and this is called tectonic plate.

What is the center or epicenter of an earthquake?

What is the center or epicenter of an earthquake?

The place under the earth’s surface where tectonic activities take place or rocks collide, slide or break, that place is considered the center of an earthquake. This is the reason why the effect of an earthquake can be felt around its epicenter. When an earthquake occurs, the energy released due to it creates upheavals in the calm earth in the form of waves. This natural phenomenon is similar to throwing a piece of stone into a calm lake.

How does the intensity of an earthquake increase or decrease?

How does the intensity of an earthquake increase or decrease?

An earthquake occurs in the earth’s crust or upper mantle. Its range can be up to 800 kilometers below the surface of the earth. According to a US government website, the deeper the source of an earthquake, the less tremors are felt at the surface. But, the less depth an earthquake occurs from the surface, the greater its intensity is felt. For example, the strength of an earthquake that occurs below 500 km will be less than that of an earthquake that occurs at a depth of 20 km. The intensity of an earthquake is measured on the Richter scale. It is on a scale of 1 to 9, with 1 being considered very mild and 9 or more being completely catastrophic. Shocks from 0 to 1.9 can be registered only in instruments.

How many earthquake zones are there in India?

How many earthquake zones are there in India?

There are 5 earthquake zones in India. Of these, the first and second zones are considered to be of low risk. Zone 3 is considered a low risk area. It includes the western Himalayan plain, the Andaman and Nicobar Islands. Zone 4 is considered a high risk earthquake zone. In this, Jammu, Bihar, Uttar-Pradesh, Uttarakhand, Ganga basin including the capital Delhi are included. Zone 5 is the most earthquake sensitive zone. It is considered very dangerous from the point of view of earthquake. It covers Punjab, Kashmir and North-East India.

Read this also- Earthquake in Delhi: Strong tremors of earthquake in Delhi-NCR, people ran away from home-officesRead this also- Earthquake in Delhi: Strong tremors of earthquake in Delhi-NCR, people ran away from home-offices

There is a conflict between China and India here too!

There is a conflict between China and India here too!

The scope of the Indian or Indian tectonic plate extends from the Himalayas to the Antarctic. Geographically it is in the southern part of the Himalayas. Whereas the Eurasian Plate is in its northern region. Due to the activities of these two tectonic plates, this area is very sensitive to earthquakes. There are frequent earthquakes here. The Indian tectonic plate is continuously moving towards China. Seismologists believe that if there is a direct collision between these two plates, then this area may have to face a devastating earthquake. (Photos-File)

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