The powerful tremor struck at about 1:23 a.m. (2023 Tuesday GMT) with an epicenter about 29 miles west-southwest of the city of Dalandin, the U.S. Geological Survey said.
Despite the quake´s strength, there were no immediate reports of casualties or building damage.
The initial USGS report said the shaker had a 7.4 magnitude and struck at a depth of 10 kilometers (6 miles). Quakes that shallow can cause major damage.
The USGS said in its revised bulletin that the quake hit at a depth of 84 kilometers (52 miles).
"The earthquake occurred at around 1:23 am and it was felt in Baluchistan, Sindh and southern Punjab provinces," chief meteorologist Mohammad Riaz told AFP.
"There could be aftershocks during the next week -- there are active fault lines in Baluchistan."
A 7.6-magnitude earthquake struck Northern Pakistan on Oct. 8, 2005, leaving over 73,000 dead and about 3.5 million homeless.
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