Earth­quake of 4.7 mag­ni­tude hits Al­war, shakes Delhi-NCR

The Asian Age - - City -

New Delhi, July 3: A medium-in­ten­sity earth­quake of mag­ni­tude 4.7 jolted Al­war dis­trict in Ra­jasthan on Fri­day, tremors of which were felt in parts of north In­dia in­clud­ing Delhi-NCR, the Na­tional Cen­tre for Seis­mol­ogy said.

Ac­cord­ing to the NCS, the quake oc­curred at 7 p.M. At a depth of 35 kilo­me­tres. The tremors of the quake were also felt in Delhi-NCR, trig­ger­ing panic among peo­ple. There were no im­me­di­ate re­ports of loss of life or prop­erty. Since April, 20 earth­quakes have been recorded in and around Delhi. Of the 20, two were above mag­ni­tude 4.

The his­tor­i­cal earth­quake cat­a­logue shows that there were strong earth­quakes in the Del­hiNCR — of 6.5 mag­ni­tude at Delhi in 1720; 6.8 at Mathura in 1803; 5.5 near Mathura in 1842; 6.7 near Bu­land­sha­har in 1956; 6 near Farid­abad in 1960 and 5.8 near Mo­rad­abad in 1966. The Delhi-NCR has been iden­ti­fied as the sec­ond high­est seis­mic haz­ard zone (Zone IV). Ear­lier, in or­der to en­sure seis­mic sta­bil­ity for build­ings in its ju­ris­dic­tion, the South Delhi Mu­nic­i­pal Cor­po­ra­tion (SDMC) had started iden­ti­fy­ing high­rise build­ings and is­su­ing no­tice to them to sub­mit a struc­tural au­dit re­port.

The South Cor­po­ra­tion had is­sued 77 no­tices to schools and res­i­den­tial group hous­ing so­ci­eties and in­sti­tu­tions to sub­mit a struc­ture au­dit re­port.

An in­spec­tion was also car­ried out by the en­gi­neers of the Build­ing depart­ment in Sunny Val­ley Hous­ing So­ci­ety in Sec­tor 12 and the Delhi State Hous­ing So­ci­ety in Sec­tor 19 of Dwarka area to check the retrofitti­ng work. In the in­spec­tion, it is found that the work of retrofitti­ng is in progress and is ex­pected to be com­pleted in eight months as there is paucity of funds.

◗ THE TREMORS of the quake were also felt in Delhi-NCR, trig­ger­ing panic among peo­ple. There were no im­me­di­ate re­ports of loss of life or prop­erty. Since April, 20 earth­quakes have been recorded in and around Delhi.

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