Earthquake zones in India-List of major earthquakes in India

December 7th, 2011| News.

Earthquakes in India

 Earthquakes in India

Earthquakes in India occur where there are mountains. Data shows that earthquakes can also occur where there are no mountains the 1993, Latur earthquake being one example. Nearly 60% of the Indian region faces the threat of earthquakes. It was believed that northeast of India is more prone to earthquakes. But now it is proved that more than half of the India’s region is prone to severe earthquakes.

Earthquakes in India are treated as rare phenomenon and there are no serious measures taken to safeguard against earthquakes. There is no scientifically proven method to predict earthquakes. Earthquake occurs without warning. The ground shakes violently during the earthquake. The moving plates underneath earth are the cause for earthquakes. If an earthquake occurs in densely populated areas, there will be loss of life and properties.

Risk of earthquakes in India is high as the population has increased over the years and huge constructions are mushrooming in all the cities. There are multistoried building, huge factory building, malls, supermarkets and luxury apartments. In the past ten years there were around ten major earthquakes which resulted in 20,000 deaths. The entire Himalayan belt is prone to major earthquakes.

The regions which lie away from the Himalayas were considered safe. But there have been earthquakes in these areas also though the severity is less. The north eastern part of India experiences earthquakes at frequent intervals with magnitude more than 6.0.

The increase in risk of earthquakes in India is due to urbanization, economic development and globalization. The usage of high-technology equipments and tools in big industries is also causing moderate ground shaking. Though there are major earthquakes in India in the past there is no activities initialization to lower the damaging effects of earthquakes in future. After the earthquakes in Maharashtra and Gujarat, the states have undertaken risk management and risk reduction measures. The other states which fall in the higher risk zones of earthquakes have not taken sufficient measures to lower the damage of earthquakes.

Indian region has been divided into five seismic zones depending on the risk of earthquakes in these regions.

Zone 5: The areas most prone to earthquakes in India fall in Zone 5. The northeaster parts of India, Kashmir, Punjab, western and eastern Himalayas and Rann of Kutch are the areas which fall in Seismic Zone 5. There is basaltic rock in these regions which are highly prone to earthquakes. Zone 5 is the very high damage risk zone.

Zone 4: Zone 4 is less prone to earthquakes than Zone 5 areas but is most dangerous. These include Jammu, Bihar, Indo-Gangatic basin, Delhi and some parts of Maharashtra. This is termed as high damage risk zone.

Zone 3: Zone 3 is the seismic zone which faces moderate risk from earthquakes in India. The Andaman and Nicobar islands, few parts of Kashmir and western Himalayas fall under Zone 3.

Zone 2 and 1: This is the low damage risk zone.

Major earthquakes in India

In the past two hundred years there have been five major earthquakes in India with magnitude more than 8 on the Richter scale. They were occurred at

  • Kutch, Gujarat in 1819
  • Assam in 1897
  • Kangra, Himachal Pradesh in 1905
  • Bihar in 1934
  • Assam in 1950

Many earthquakes that occurred in India have created public awareness. Now people are able to Most of the deaths during an earthquake are due to house collapses. Houses should be constructed such that they are protected from earthquakes in India to minimize deaths.

Given below are some tips to be observed to protect the lives from earthquakes. Earthquakes in India cannot be forewarned but changes in nature of behavior of animals and bird help to predict earthquakes to some extent.

During an earthquake the persons inside the buildings should stand against the wall or under a sturdy table to protect the head. In outdoors people should stay away from electric wires, bridges and huge buildings. Those inside a moving vehicle should stop the vehicle and stay inside it. After the earthquake, people should not go near the damaged buildings and debris. People should stay away from beaches as there is a risk of Tsunami after the earthquake.

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