Istanbul, Turkey (CNN) -- A pre-dawn earthquake collapsed homes and killed at least 57 people in a mountainous region of southeastern Turkey on Monday, government officials said.

About 71 others were injured when the magnitude-5.8 earthquake struck at 4:32 a.m., according to officials.

The quake struck in Elazig province, with the village of Okcular the worst hit, according to Ozcan Yalcin, the press secretary for the province's governor.

At least 57 people died, said Cemil Cicek , Turkey's deputy prime minister.

Dozens of aftershocks, ranging up to magnitude 5.5, shook the region in the hours after the quake.