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Kirishima volcano
Shield volcano 1700 m / 5,577 f
Kyushu, Japan, 31.93°N / 130.86°E
Current status: restless (2 out of 5)
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Kirishima volcano eruptions:
2018, 2017, 2011, 2008, 1992, 1979, 1971, 1959, 1946(?), 1923, 1914, 1913-14, 1903, 1899-1900, 1898, 1898, 1897, 1896, 1895-96, 1894, 1891, 1889, 1888, 1887, 1880, 1832, 1822, 1771-72, 1769, 1768, 1719, 1717, 1716-17, 1716, 1706, 1690, 1678, 1677, 1667(?), 1662-64, 1659-61, 1637-38, 1628, 1620, 1615-18, 1613-14, 1598-1600, 1596?, 1595, 1588, 1587, 1585, 1576-78, 1574, 1566, 1566, 1554, 1524, 1381, 1235, 1184, 1175(?), 1167, 1113, 1112, 945, 858, 857, 843-48, 837-39, 788, 742
Typical eruption style:
Explosive
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Kirishima volcano news & activity updates

Kirishima volcano (Kyushu, Japan): warning to approach Iwo crater

Monday Feb 29, 2016 18:40 PM | BY: T

Evolution of the fumarole field of Iwo crater between Dec 2015 and Feb 2016 (JMA)
Evolution of the fumarole field of Iwo crater between Dec 2015 and Feb 2016 (JMA)
A "near-crater" warning was issued for the volcano by JMA (Japan Meteorological Agency), in particular for the Iwo crater where an increase in seismic activity, fumarole temperatures and degassing (including poisonous H2S) in an area about 100x100 m wide has been observed over the past months.
The observed signs of volcanic unrest are considered weak and no eruption is expected in the near future, but the risk of (always possible) sudden, steam-driven explosions, which could affect an area of up to 1 km radius, needs to be considered elevated. The site, a popular excursion destination and easily accessible by road, has been closed for public access now. A similar warning had already been issued in October 2014 and lifted again in May 2015.
Previous news
Thermal imagery and photo of the new fumarole field at Kirishima (JMA)
Wednesday, Dec 16, 2015
New fumaroles have been detected on the SW flank of the Iozan Ebino crater and a strong sulfur smell was reported. ... [more]
Tuesday, Jul 28, 2015
Elevated seismic activity has been recorded since early July, the Japan Meterological Agency (JMA) reported. Yesterday, a phase of volcanic tremor occurred that lasted 3 minutes and a slight ground deformation was detected. ... [more]
Saturday, Oct 25, 2014
The Japan Meteorological Agency issued a "near crater warning" for the Shinmoedake vent of Kirishima volcano last Friday. Increased earthquake activity were detected and mean an increased risk of a possible (probably phreatic) explosions. ... [more]
Wednesday, Jan 22, 2014
The alert level of the volcano was lowered back to 1, as volcanic activity continued to decrease. Volcanic seismicity remained at low levels and no remarkable change was observed from ground deformation observation and monitoring data. ... [more]

Saturday, Dec 15, 2012
No eruptions were observed at Shinmoedake since 7 September 2011 (last explosion on 1 March). Overall, the volcano's activity (seismicity, deformation, degassing) has been decreasing, JMA's November volcano activity summary reports: ... [more]
 

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