Leh, Ladakh, was jolted by a 3.5 magnitude earthquake early Monday, with the tremor registering at a depth of 120 km. Earlier in the day, Chamba, Himachal Pradesh, felt a lesser quake of 3.0 magnitude at 3:40 AM. This followed a stronger 4.6 magnitude quake that rattled the Leh area the previous day, highlighting the region's seismic vulnerability.