Nikkei slips after suspected North Korean nuclear test
* Nikkei once above forecast price of futures and options settlement
* Nikkei flat for the week
* Mining shares outperform
By Ayai Tomisawa
TOKYO, Sept 9 (Reuters) - Japan's Nikkei share average edged down in choppy trade on Friday morning, erasing earlier gains following a suspected North Korean nuclear test.
The Nikkei fell 0.3 percent from the previous close to 16,913.99 in midmorning trade, after rising to as high as 17,029.78 earlier.
In early trade, Nikkei futures and options contracts expiring in September were forecast to settle at 17,011.77.
A seismic tremor was recorded on Friday in an area around North Korea's known nuclear site, and was suspected to be the fifth nuclear test by the isolated nation, South Korea's Yonhap news agency said.
A South Korean government official said it was a suspected nuclear test, Yonhap reported, and Seoul called for an emergency National Security Council meeting. Continuación...