Eruptions continued Friday at Mount Shinmoe, a volcano in the Kirishima mountain range straddling Miyazaki and Kagoshima prefectures, after a series of minor eruptions occurred on Thursday, the Meteorological Agency said. The agency said it detected a plume rising about 300 meters above the crater at one point. On Thursday, the agency issued a warning for areas within 3 kilometers of the crater, up from the 2-km radius covered by the previous warning. Large volcanic rocks could reach a point about 3 km from the crater, it said. The agency kept its volcanic alert for the 1,421-meter-high Mount Shinmoe at Level 3, warning against approaching the entire volcano. The warning areas include parts of the town of Takaharu and the city of Kobayashi, both in Miyazaki, and part of the city of Kirishima in Kagoshima. Volcanic tremors continued from around 8:15 a.m. Thursday, the agency said, adding that eruptions may have started afterward. The agency received a report of volcanic ash fall from the Takaharu Municipal Government at around 11 a.m. Thursday. Volcanic activity at Mount Shinmoe could become stronger, the agency warned, noting that the amount of volcanic gas from the mountain has surged to about 5,500 tons per day. In January 2011, an explosive eruption occurred at the volcano for the first time in 52 years. The volcanic activity subsided in September that year. The agency raised the volcanic alert for Mount Shinmoe to Level 3 from Level 2 on Oct. 11 last year as the volcano erupted for the first time in about six years. Eruptions occurred intermittently until Oct. 17.