Kirishima volcano in Kyushu, Japan on high alert level
Monday Jul 30, 2012 12:30 PM | BY: T
As our colleague Marc Szlegat reported on Vulkane.Net, the alert level of the Japanese Kirishima volcano (Kirishimayama) was raised last month"orange". This is the third out of 4 warning levels and means that an eruption could occur any time.
Last year in March, the Shinmoedake crater of the complex volcano Kirishima had a violent eruption that make the headlines. The volcano is located close to the other volcano currently on orange alert in Kyushu, Sakura-jima, which last week had a stronger explosion that caused ashfall in the nearby city of Kagoshima.
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Sunday, Mar 13, 2011
Kirishima volcano near Kagoshima town on Kyushu Island exploded violently earlier today (13 March), sending an ash plume to 4 km elevation. This is the first significant activity since March 1. It can not be ruled out, but probably remains speculation that the violent 8.9 magnitude earthquake on 11 March played a role in the reawakening of Kirishima. [more]
Friday, Feb 04, 2011
Over the past days, Kirishima's overall intensity of the eruption seems decreasing. Kirishima continues to grow its lava dome and produce small to moderate vulcanian-type explosions at rates of 5-10 per day. Strong pressure waves were accompanying the explosions and could be felt in Kirishima town. People are alerted not to approach the volcano in a radius of 4 km because of the risk of falling bombs. ... [more]
Wednesday, Feb 02, 2011
Another powerful vulcanian explosion from the new lava dome occured today at 15:54 pm. Ash reached an elevation of 15,000 ft (ca. 5 km) and an aviation warning was issued by VAAC Tokyo. ... [more]
Kirishima volcano had a strong explosion from the lava dome on 31 January. Windows were shattered by the pressure wave up to 8 km away, and bombs landed up to 2 km distance. Authorities have extended the exclusion zone to 4 km from the crater as new explosions can occur any time. ... [more]
Tuesday, Feb 01, 2011
The lava dome inside Kirishima's crater is growing at a fast rate. Judging from areal photos, it now more than 500 m wide and well under way of soon over-spilling the Shinmoe-dake crater. If this happens, pyroclastic flows will likely be generated and could threaten nearby areas; although explosive activity has calmed down a lot, large explosions could occur any time. For this reason Japanese authorities have extended the exclusion zone from 2 to 3 km, and evacuated more than 600 residents of the town of Takaharu located on the eastern slope of Kirishima volcano. ... [more]