Abstract
Nishinoshima is a volcanic island located at about 900 km south from Tokyo. On November 20, 2013, an appearance of the new land with the volcanic activity was found near Nishinoshima. Nishinoshima has continued active volcanic activity after this, and the island is expanding day by day. Observation of Nishinoshima is carried out continually by various sensors carried by satellites and airplanes, and it is valuable record that gives a hold on the process of the growth of the island. In this report, We divided the situation of Nishinoshima which underwent a change by this eruption during the period every two months including a history of Nishinoshima and, using the image which various sensors took during the period, gathered it up as a record of the changes.
