4.5-mag­ni­tude earth­quake felt in NCR

Hindustan Times (Jalandhar) - - HTBUSINESS - HT Cor­re­spon­dent let­ters@hin­dus­tan­times.com

NEWDELHI: A mag­ni­tude 4.5 earth­quake hit Haryana’s Ro­htak, over 65 km from Delhi, on Fri­day evening at 9.08 pm with its epi­cen­tre at a depth of 5 km, the Na­tional Cen­tre for Seis­mol­ogy (NCS) said.

This is the lat­est in a se­ries of tem­blors that have hit Delhi and the ad­join­ing ar­eas since April. A mild 2.7 mag­ni­tude earth­quake hit Delhi for the sec­ond time in two days on April 13. The tremor had its epi­cen­tre at the depth of 5 km in north­east Delhi’s So­nia Vi­har. A 3.5 mag­ni­tude earth­quake a day ear­lier had its epi­cen­tre at the same lo­ca­tion at the depth of 8 km. An­other tem­blor of 3.4 mag­ni­tude hit Delhi on May 10.

Peo­ple across Delhi and par­tic­u­larly those liv­ing in high rises felt the fresh tremors, NCS said. “We got calls even from peo­ple, who live on grounds floors and still felt strong tremors. This [fresh] earth­quake [has its epi­cen­tre] in ...Ro­htak in Haryana. We have recorded five earthquake­s in So­nia Vi­har since April; three of them were very mild,” said an NCS of­fi­cial.

AP Pandey, an NCS seis­mol­o­gist, said the re­gion near Ro­htak has been very ac­tive due to con­ver­gence of some fault lines. “There is the Delhi-Harid­war ridge, Delhi-Sar­godha ridge and Ma­hen­der­garh-Dehradun fault. It like a junc­tion of these faults. In 2012, we had recorded a 5.1 mag­ni­tude earth­quake just west of that lo­ca­tion. We can ex­pect some af­ter­shocks to fol­low af­ter the main­shock,” he said.

When Delhi recorded the 3.5 mag­ni­tude earth­quake in April, seis­mol­o­gists said it is not un­usual for the epi­cen­tre of these rel­a­tively small earthquake­s to be in Delhi and Haryana. But less noise from traf­fic made the record­ing on seis­mome­ter very ac­cu­rate. NCS seis­mol­o­gists said they had a “very good” record­ing. “The record­ing was very clear be­cause of no noise. This time the mag­ni­tude of the earth­quake is also higher. So peo­ple must have felt it. It is a lot of en­ergy be­ing re­leased. If one is at home, the ex­pe­ri­ence can be more in­tense but not so much if they are mov­ing.”

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