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LHASA, May 22 (Xinhua) -- Two 5.3-magnitude earthquakes hit the southern part of Tibet in southwest China on Sunday morning, with no casualties reported to local authorities so far.

Soldiers examine house damages after an earthquake hit Dinggye County of Xigaze City, southwest China's Tibet Autonomous Region, May 22, 2016. Two 5.3-magnitude earthquakes hit the southern part of Tibet in southwest China on Sunday morning, with no casualties reported to local authorities so far. The first quake happened at 9:48 a.m. in Dinggye County, Xigaze City. The second occurred at 10:05 a.m. in Tingri County. (Xinhua/Zheng Yongbo)

The first quake happened at 9:48 a.m. in Dinggye County, Xigaze City. The epicenter was monitored at 28.36 degrees north latitude and 87.6 degrees east longitude, with a depth of 10 km.

The second, at 10:05 a.m. in Tingri County, was monitored at 28.41 degrees north latitude and 87.59 degrees east longitude, with a depth of 6km.

"We felt three quakes this morning. The one after 10 a.m. was the strongest. The houses were rocking, and the windows were shaking," said Wu Zongzheng, a frontier officer of Dinggye County.

No casualties or building damage has been reported so far, according to Soring, director of the regional seismological bureau.