A powerful phreatic explosion took place at Asosan's Nakadake crater at 02:43 UTC (14:43 JST) on October 20, 2021, prompting the Japan Meteorological Agency (JMA) to raise the Alert Level from 2 to 3 at 02:48 UTC. The eruption came one week after volcanic...
October 20, 2021
A small-scale eruption started at Asosan volcano, Japan at 22:57 UTC on July 25, 2019 (07:57 LT, July 26), producing an ash column up to 3 km (10 000 feet) above sea level. This is the latest in a series of small eruptions at the volcano that started on April 16,...
July 26, 2019
Another minor eruption took place at Japanese Asosan volcano (Mount Aso) in Kumamoto Prefecture late Thursday, April 18, 2019. The eruption started at 23:24 UTC on April 18 (08:24 JST, April 19) at the No. 1 Nakadake crater, spewing ash up to 400 m (1 312 feet)...
April 19, 2019
The Japanese Asosan volcano erupted at 09:28 UTC (18:28 LT) on April 16, 2019. It was its first eruption since October 8, 2016. The Alert Level was raised to 2 on April 14. At one point, the volcanic ash reached 200 m (656 feet) above the crater (1 792 m / 5 880...
April 16, 2019
The Japan Meteorological Agency (JMA) has raised the Alert Level for Asosan volcano, Kyushu, Japan from Level 1 to Level 2 (do not approach the crater) at 06:00 JST on March 12, 2019. The last eruptive episode of this volcano started on October 7, 2016 and ended on...
March 12, 2019
Japanese Asosan volcano (Mount Aso; the largest active volcano in Japan) erupted at 16:46 UTC on October 7, 2016, sending a column of ash up to 11 km (36 000 feet) above sea level. JMA issued its third-highest alert (of 5), warning people not to approach the...
October 08, 2016
Japan's Asosan volcano erupted about 00:43 UTC on Monday, September 14, 2015, sending a plume of thick black smoke and ash about 2.1 km (1.2 miles) into the air and disrupting flights.According to the Japan Meteorological Agency, Asosan erupted without warning in on
September 14, 2015
Japanese Asosan volcano experienced a new eruption at 01:33 UTC on December 23, 2014. Tokyo VAAC reported volcanic ash cloud reached an altitude of 2.1 km (7 000 feet) and extended East. At 06:11 UTC it rose to approximately 2.3 km (8 000 feet) and was still extending
December 23, 2014
Asosan, the largest active volcano in Japan and one of the world's largest volcanoes, started its new eruptive phase this week prompting Japanese authorities to cancel or divert flights on Thursday, November 27, 2014. A column of ash and smoke reached about 2 133 me
November 27, 2014
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