China said Friday that 71 people were injured in a strong earthquake that struck off its southeastern coast, and the number reported homeless from an earlier quake on the southern border doubled to 200,000.

The official China News Service said several buildings were cracked and stairways collapsed in the Guangxi Zhuang region during Thursday's quake, which measured slightly more than 5 on the Richter scale.It occurred four days after a quake near the Burmese border killed more than 930 people.

No deaths were immediately reported in Thursday's quake, but 71 people were hurt, nine seriously, as they scrambled from buildings in the city of Fangcheng.