A magnitude 6.4 earthquake shook southern Taiwan shortly before 4 a.m. local time on Saturday, according to the U.S. Geological Survey. The temblor was initially measured with a magnitude of 6.7.
The quake occurred 17 miles (28 kilometers) northeast of the town of Pingtung, Taiwan, and had a depth of 14.3 miles (14.3 kilometers).
According to the Associated Press, the earthquake caused the collapse of at least two buildings in the southern city of Tainan. The AP, citing Taiwanese news outlet ET Today, said some water and gas utility pipes had ruptured.
There was no immediate word on injuries or fatalities, but rescue efforts are underway to rescue people who are trapped inside a toppled high-rise building.
The Pacific Tsunami Warning Center said there was no threat of a tsunami.
AccuWeather Meteorologist Randy Adkins said partly sunny and breezy conditions are forecast for Saturday and Sunday. There is a slight chance for rain on Saturday, he added.
High temperatures both days will be in the lower 60s F (16-17 C.)