On April 13th, the Japan Meteorological Agency raised the eruption alert level for Nagara bu Island in the southern volcanic island of Kagoshima Prefecture from level 2 "crater perimeter control" to level 3 "mountain entry control".
4月13日,日本气象厅将鹿儿岛县南部火山岛口永良部岛的喷发警戒等级从2级的“火山口周边管制”提高到3级的“入山管制”。
According to the Japan Meteorological Agency, as April approaches, there are more volcanic earthquakes with shallow seismic sources near the Koyama crater on the island. If an eruption occurs, a volcanic debris flow may occur within a range of about 2 kilometers from the volcano. The Japan Meteorological Agency is calling on the public to be vigilant.
根据日本气象厅消息,进入4月后,岛上古岳火山口附近浅层震源的火山性地震较多。如果喷发,离火山口约2公里范围内可能会发生火山碎屑流,日本气象厅呼吁民众警惕。