Dryness of the earth is also a major reason for frequent earthquakes in Delhi-NCR during the last 2 months. The continuous fall in groundwater level is leading to unbalanced load of fault lines within the earth. However, the study is still ongoing. Research on other aspects of this is also underway.
Fault line adjustment also causes frequent earthquakes
Significantly, the existence of the earth rests on seven tectonic plates. When these plates collide or there is some movement in the womb of the earth, we feel an earthquake. The plate on which India rests is called the Indo Australian Plate. Many times due to earthquake this plate is hit by Eurasian plate, many times earthquake also comes due to adjustment of fault line.
Fault line has been the reason for earthquakes
The fault line has generally been the main cause of Delhi-NCR earthquakes. According to the information, in Delhi-NCR there are mainly five lines under the ground Delhi-Moradabad, Delhi-Mathura, Mahendragarh-Dehradun, Delhi Sargodha Ridge and Delhi-Haridwar Ridge. The epicenter of earthquakes during lockdown remained around these fault-lines.
Load of fault lines unbalanced by falling groundwater level
The National Geophysical Research Institute at Hyderabad is doing research in this direction on the direction of the Central Government. At the primary level, one of the reasons for these earthquakes is the declining groundwater level. According to geologists, ground water is seen as a load within the earth. This helps in maintaining the balance of load fault lines. Due to the falling groundwater load, the load of fault lines is becoming unbalanced, so the depth of earthquakes that occurred in the last days also remained within a maximum range of 18-20 kilometers within the earth, where ground water is no longer available. On the other hand, NGRI geologists have also called all the estimates and estimates misleading that these small earthquakes are associated with the possibility of a big earthquake. He argues that there is no such record in the past.
Earthquake measuring network increased
These geologists also say that small earthquakes of magnitude three to four have been occurring before on the Richter scale, but they could not be monitored. At the same time, now the earthquake measuring network in Delhi NCR is expanding, hence a two-magnitude earthquake is also being recorded.
Investigation of other causes of earthquake continues
Dr. Vineet K. Gehlot (Chief Scientist, NGRI) says that studies are going on for the earthquakes in Delhi NCR. Falling groundwater level is also a reason. Investigations of other causes are ongoing. However, as such research studies take time, one has to wait for the conclusion.
Earthquake during 2 months in Delhi-NCR
Date Richter Scale Location
- 12 April 3.5 Delhi
- 13 April 2.7 Delhi
- 16 April 2 Delhi
- 3 May 3 Delhi
- 6 May 2.3 Faridabad
- 10 May 3.4 Delhi
- 15 May 2.2 Delhi
- 28 May 2.5 Faridabad
- 29 May 4.5 and 2.9 Rohtak
- 1 June 1.8 and 3 Rohtak
- 3 June 3.2 Faridabad
- 8 June 2.1 Gurugram
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