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A 6.9 magnitude earthquake rattled the sea-floor just northeast of Taiwan. The earthquake was deep- 209.5 km or erupted 130.2 miles below the surface. The epicenter of the earthquake was 497 km (309 miles) ENE from T'ai-Pei, Taiwan and 1140 km (708 miles) S (186ยฐ) from Seoul, South Korea. A low tsunami alert was issued but is not expected to be a threat to the mainland.

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