An eruption at Kuchinoerabujima began at 1505 on 11 January and produced ash plumes that rose 2 km above the crater rim, drifted E, and then faded into a weather cloud.
Tephra was ejected 300 m from the crater, and ashfall was reported on neighboring Yakushima Island.
The eruption continued until 0730 on 12 January, producing ash plumes that rose 400 m above the crater rim and drifted SW; afterwards only white plumes were visible rising 600 m.
The Alert Level remained at 3 (the middle level on a scale of 1-5).
Source: Japan Meteorological Agency (JMA)