The earthquake with a magnitude of 5.7 struck in the early hours of Thursday while people were sleeping. Rescue workers said the dead were mostly women and children.
The quake was relatively shallow at 20 kms (12 miles) with an epicentre 102 km (62 miles) east of Quetta, said the U.S. Geological Survey (USGS).
More than 100 mud houses collapsed and a large number were damaged, including government buildings. Hundreds of people were rendered homeless, Sohail Anwar, deputy commissioner in the city of Harnai told. (Foreign Agencies).