Four medium intensity tremors with magnitudes ranging between 4.7 and 5.5 hit Jammu and Kashmir in a span of fewer than two hours on Monday night, the National Centre for Seismology said. The first quake with a magnitude of 4.7 hits at 10:42 pm, followed by one measuring 5.5 six minutes later. The two occurred at a depth of 10 kilometres.Four medium intensity tremors with magnitudes ranging between 4.7 and 5.5 hit Jammu and Kashmir in a span of fewer than two hours on Monday night, the National Centre for Seismology said. The first quake with a magnitude of 4.7 hits at 10:42 pm, followed by one measuring 5.5 six minutes later. The two occurred at a depth of 10 kilometres.