Medium intensity earthquake of magnitude 4.2 hits Rajasthan's Alwar, tremors felt in Delhi-NCR

New Delhi, Dec 17: An earthquake of magnitude 4.2 on the Richter Scale hit Rajasthan's Alwar on Thursday night, the tremors of which were felt in Delhi-NCR, the National Center for Seismology said.

The earthquake of magnitude 4.2 occurred at 11.46 pm at a depth of five kilometres, it said.

The Delhi-NCR region is very peculiar with regard to seismic activities. It has several faultlines that generate earthquakes, but it also feels the impact of quakes that are epicentred as far as the Hindukush mountains in Afghanistan and even in Nepal.

Of the five seismic zones, Delhi falls under the fourth zone.

Since April, Delhi-NCR has recorded more than 14 quakes of low and medium intensity, PTI reported.

Twin earthquakes within an hour shook Haryana late last month. The tremors were felt in Delhi too.

The first one, a 4-5 magnitude quake, was reported in Rohtak at 9 pm and the second one struck at 10 pm on May 29. Both the earthquakes were shallow.

A 2.5 magnitude earthquake with its epicentre in Faridabad district was recorded by the National Centre for Seismology at 4.24 pm a day before evening.

There was another mild quake on May 15 of 2.2 magnitude with its epicentre at 9 km from central Delhi.

On May 10, people in Delhi and nearby areas felt tremors when a 3.4 magnitude earthquake occurred with its epicentre in Sonia Vihar.

An earthquake of magnitude 2.8 had hit the national capital in 2004. Another quake of magnitude 3.4 was recorded in the city in 2001, according to official data.

The major quakes recorded near the national capital were at Bulandshahr of magnitude 6.7 on October 10,1956, and at Mordabad of magnitude 5.8 on August 15, 1966. Both are in western Uttar Pradesh.