OSAKA, Jan 21 An earthquake of magnitude 6.4 struck a Japanese island on Saturday night Kyushu, there is no threat of a tsunami. According to the country's Main Meteorological Agency, tremors were recorded at 01.08 Saturday local time (19.08 Friday Moscow time). The source of the earthquake lay at a depth of 40 kilometers under water. Tremors of up to five points were felt in the prefectures of Oita, Miyazaki, Kochi, Kumamoto. According to a RIA Novosti correspondent, a long sway was felt in Osaka.A crisis headquarters was created under the Prime Minister's Office after a powerful earthquake in southwestern Japan, the Kyodo news agency reported.To date, one victim is known.Volcanic eruption in Tonga has become the most powerful since 1100, scientists have suggested
