Kabul, Nov. 3 -- A powerful 6.3-magnitude earthquake hit northern Afghanistan early Monday, killing at least seven people and injuring around 150 others, provincial authorities said.

The quake occurred at a depth of 28 kilometers (17 miles) and was centered about 22 kilometers (14 miles) west-southwest of Khulm, near the city of Mazar-e Sharif at around 12:59 a.m. local time, the US Geological Survey (USGS) reported.

As many as 150 people were injured in Mazar-e Sharif, which has a population of roughly 523,000.

"As of this morning, a total of seven people have been killed and 150 injured, all of whom have been transferred to health centers," said Samim Joyanda, spokesperson for the health department in Samangan province, a mountainous r...