Complex sentence: It struck at the depth of 18.5 km (11.5 miles) Tremors were also felt in northern parts of India including Bihar, Uttar Pradesh, West Bengal and other North-Indian States.
Split into simpler sentences: It struck at the depth of 18.5 km (11.5 miles) Tremors were also felt in northern parts of India. The quake was also felt in Bihar, Uttar Pradesh, West Bengal and other North-Indian States.