India, July 12 -- For the second day in a row, strong tremors rattled residents of the National Capital Region (NCR) on Friday evening after an earthquake measuring 3.7 struck with its epicentre in Jhajjar, Haryana - the same location as Thursday's 4.4 magnitude quake.

Experts from the National Center for Seismology (NCS) suggested that Friday's quake could be an aftershock of the previous day's event. "This is the seismic zone between the Delhi-Haridwar Ridge and the Mahendragarh-Dehradun fault. The fault system is relaxing, and the aftershock falls well within expected behaviour. There is no cause for panic," said NCS director OP Mishra.

The Friday tremor, which occurred at 7.49pm at a depth of 10km, was felt across large parts of Del...