Phreatic eruptions occurred, being associated by the summit collapse events; refer to collapse event 1 and collapse event 2.
Taken by S. Nakada.
The 14 July afternoon eruption. Northeastern part of the volcano island.
The 14 July evening eruption from the Miyakejima airport (SE of the island)
San-hichiyama park in the eastern part of the island was covered thickly with volcanic ash.
Students of Volcano Research Center (VRC), Earthquake Research Institute (ERI), U-Tokyo, surveying deposition of volcanic ash in the eastern part of the island (afternoon of 14 July).
Students of VRC-ERI, U-Tokyo, surveying deposition of volcanic ash in the eastern part of the island (afternoon of 14 July).