A volcano in southwestern Japan erupted Thursday following a six-day hiatus, the Japan Meteorological Agency said, but there were no immediate reports of damage or injury.The eruption at around 6:15 p.m. at Mt. Io, one of the Mt. Kirishima group of volcanoes straddling Miyazaki and Kagoshima prefectures, was small in scale, the agency said. A plume of ash spewed from the 1,317-meter volcano's crater reached over 200 meters into the sky.The agency retained the alert level of 3 on a scale of 5, restricting access to the mountain.Mt. Io erupted on April 19 for the first time in 250 years, with…READ FULL ARTICLE