Rare 5.4-magnitude quake hits southern South Korea, tremors felt in Seoul

SEOUL - A rare 5.4-magnitude earthquake hit South Korea's south-east on Wednesday (Nov 15) afternoon, the second most powerful quake on record, in a country that seldom experiences significant tremors.

The quake, which was felt across much of the country including in the capital Seoul, struck at the shallow depth of nine kilometres near the south-eastern industrial city of Pohang at around 2.30pm (1.30pm Singapore time), the Korea Meteorological Administration said.

The Korean peninsula rarely has to worry about significant quakes.

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But seismic activity is closely monitored because a spike in activity is often the first indication that North Korea has carried out a nuclear test.

The South Korean port city of Pohang is the home to the headquarters of Posco - the country's top, and the world's fourth largest, steelmaker.

Photos and video footage sent to local TV stations showed crumbled street walls and furniture violently shaking inside people's homes.

Local nuclear reactors were operating without disruption, Yonhap news agency said, citing officials at Korea Hydro and Nuclear Power.

The most quake recorded in the south was a 5.8-magnitude tremor that hit the southeastern city of Gyeongju in September last year.