On November 1, 2023, military personnel located on Iwoto Island witnessed the birth of a new island following intense volcanic activity. The eruption, which occurred 1 km (0.62 miles) off the island’s southern coast, was preceded by frequent volcanic tremors since October 21.
The Alert Level for Kuchinoerabujima volcano was raised on June 26, 2023, following an uptick in volcanic earthquakes, according to the Japan Meteorological Agency’s Fukuoka Regional Headquarters.
A seismic swarm started under the Asosan volcano in Japan on January 30, 2023, prompting the Japan Meteorological Agency (JMA) to raise the Volcanic Alert Level from 1 to 2.
Satellites are registering significant underwater gas emissions at Nishinoshima volcano, Japan following increased eruptive activity at the volcano that started in September 2022. The activity at the volcano further intensified on October 2 and 3.
Ash emissions at Nishinoshima volcano, Japan increased on October 2 and 3, 2022, after more than 12 months of relative quiescence.
Japan’s National Police Agency (NPA) has started making comprehensive preparations for a possible eruption of Mount Fuji (Fujisan) – the country’s highest and most noted volcano, located 100 km (62 miles) SW of Tokyo. Its last known eruption took place in December 1707 (VEI 5), spewing ash for more than 2 weeks, with a few centimeters accumulating in the city of Edo, present-day Tokyo.
The Japan Coast Guard has made another overflight of the newly-created island at Fukutoku-Okanoba volcano on August 26, 2021. The island has grown in size since the last flight on August 16 and a large amount of pumice is still present near the volcano. Image…
A new island has been discovered some 50 km (31 miles) south of Iwo Jima, Ogasawara Islands, Japan just three days after a major submarine eruption at Fukutoku-Oka-no-Ba volcano. According to the Japan Meteorological Agency (JMA) the new island is approximately 1 km…
A major eruption started at the Japanese submarine Fukutoku-Oka-no-Ba volcano at around 21:20 UTC on August 12, 2021, and continued into August 13. According to the Tokyo VAAC, volcanic ash was rising up to 16.4 km (54 000 feet) above sea level at 23:50 UTC and…
Suwanosejima volcano erupted at 15:04 UTC on June 22, 2021 (12:04 JST, June 23), ejecting large rocks as far as 1 km (0.62 miles) from the crater and prompting the Japan Meteorological Agency (JMA) to raise the Volcanic Alert Level from 2 to 3 (on a scale of 1 – 5)….
