Ogasawara Islands Nishinoshima eruption or warning range expansion December 5 20:20
It means that the rise in the temperature of the ground has been observed on the uninhabited island of Nishinoshima in the Ogasawara Islands since the evening of the 5th.
The Japan Meteorological Agency announced a warning around the crater again that there was a possibility that an eruption occurred, and expanded the area requiring caution to about 1.5 kilometers from the crater.
Be wary of ships navigating nearby.