<p>Strong earthquake tremors jolted the Delhi-NCR region on Tuesday afternoon. The tremors, which were felt in parts of Uttarakhand and Uttar Pradesh capital Lucknow, Hapur and Amroha, lasted for nearly 40 seconds. The National Centre for Seismology said an earthquake of magnitude 6.2 struck Nepal at a depth of 5 km at 2:51 pm.</p>