High-level volcanic activity continues at Nishinoshima, the Japan Meteorological Agency’s reported on Wednesday, July 15, 2020. A powerful eruption took place on July 11, with incandescent material thrown high above the crater, large lava flows, and an ash plume up to 5 400 m (17 388 feet) above the summit.

According to observations carried out by Ryofumaro vessel on July 11, high-level eruptive activity continues at Nishinoshima.

A large amount of volcanic ash is continuously ejected from the summit crater, JMA reported. Large lava flows were produced on Saturday night, July 11, as well as incandescent material that reached about 200 m (656 feet) above the crater.

Meanwhile, the ash plume rose up to 5 300 m (17 400 feet) above the summit that drifted northeast.

Nishinoshima on July 11, 2020. Credit: NASA/NOAA Suomi NPP/VIIRS

Nishinoshima at 21:50 UTC on July 12, 2020. Credit: JMA/Himawari-8, RAMMB/CIRA

Formation of lava flows an explosions are expected to go on in the following days as the volcano remains active.

JMA warned citizens to watch out for large volcanic blocks and lava flows within a distance of approximately 2.5 km (1.6 miles) from the summit crater.




Nishinoshima on July 11, 2020. Image credit: JMA