WASHINGTON A magnitude 6.4 earthquake struck southern Taiwan early on Saturday near the city of Tainan, the U.S. Geological Survey said.
The quake, initially reported as a magnitude 6.7, was centred 27 miles (43 km) southeast of Tainan, a city of nearly 2 million people.
The USGS said the quake was very shallow, at depth of 6.2 miles (10 km), which would have amplified its effects.
People in Taiwan reported on Twitter feeling the earthquake, with many saying it felt strong.
Taiwan's Central Weather Bureau also measured a second quake of 4.3 magnitude centred in Tainan.
According to the USGS, a magnitude 6.4 earthquake can cause severe damage.
(Reporting by Eric Walsh and Eric Beech; Editing by Sandra Maler)
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