Earthquake: Andaman and the Nicobar Islands were upset. According to the National Center for Seismology, the shaking was felt at Andaman and Nicobar, 137 km north of Digripur.
The quake was reported on Saturday at 8:50 am. The magnitude of the island earthquake was 4.5.
However, no damage from the earthquake has been reported. Earlier in the day, tremors were also felt in Uttarakhand.
The earthquake is said to be very strong. The quake struck Uttarakhand at around 5:08 am today.
The center of the land was Jojima in the Chamorro district. It is 5km inside the earth.
Its intensity was also recorded at 4.7 on the Richter scale. However, no damage from the earthquake has been reported.
Why does an earthquake occur?
The earth is mainly composed of four layers, the inner core, the outer core, the mantle, and the crust. The crust and the upper mantle are called the lithosphere.
This 50-km-thick layer is divided into sections, called tectonic plates. These tectonic plates keep moving from their place, but earthquakes occur when they move too much.
These plates can move both horizontally and both. After this, they find their place, and in such a position, one plate comes down to another.
Why do tectonic plates collide?
In fact, these planets move very slowly. Thus, every year they move 4-5 mm from their location. When one plate moves closer to another, the other plate moves away. So sometimes, they collide.
What is the meaning of epicenter and magnitude of an earthquake?
The epicenter of an earthquake is just below, where the movement of the plate releases geological energy. The vibration of the earthquake is large in this place.
When the frequency of vibration disappears, its effect diminishes. However, if an earthquake with a magnitude of 7 or greater occurs, the earthquake will become stronger within a radius of 40 km.
However, it also depends on whether the earthquake frequency is upward or within range. The higher the frequency of vibration, the less affected the area.
What is the depth of an earthquake?
It is clear how deep the movement has gone. The greater the depth of an earthquake, the lower its magnitude on the surface.
Which earthquakes are dangerous?
Earthquakes with a magnitude of up to 5 on the Richter scale are not usually dangerous but depend on the composition of the area.
A magnitude 5 earthquake can also be dangerous if the epicenter is on the river bank and tall buildings without seismic technology.
How get stay safe under an earthquakes situation?
- Build an earthquake-resistant building in a safe place.
- Perform periodic disaster management training and rehearsals.
- Make a disaster kit that should contain a radio, necessary paper, mobile, torch, match, candle, slippers, some money, and necessary medicines.
- Hold the furniture tightly to maintain balance. Do not use the elevator at all.
- Stay away from trees and power lines in the open area.
- Don’t go home after breaking it.
- If you’re in a car, stay in it, don’t get out.
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