JMA reported that plumes from Suwanosejima's Ontake Crater rose 180-200 m above the crater rim during 15-22 November.
Large blocks were ejected 300 m from the crater and were deposited in a ballistic pattern during 15-19 November, and ashfall was reported in Toshima village (4 km SSW).
The Alert Level remained at 3 and the public was warned to stay 2 km away from the crater.
Source: Japan Meteorological Agency (JMA)