Kirishima volcano news & activity updates
Shinmoedake (Kirishima volcano group, Japan): 2 eruptions over the past week, maintaining explosive activity which suddenly started early March
Wednesday Jun 27, 2018 17:04 PM |
A plume of smoke billows from Mount Shinmoe, in Kobayashi, Miyazaki Prefecture, on June 22, 2018. (Photo courtesy of an unknown reader of The Mainichi)
Graph showing the thermal anomalies recorded at Shinmoedake volcano over the past months, clearly showing the sudden intense activity from early March to early April, followed by isolated events in May and June 2018. (MIROVA)
The tall ash plume billowing above Mt Shinmoe during its explosive activity on 6 March 2018 (aerial photograph taken by The Mainichi)
Shinmoedake volcano, located on the Japanese island of Kyushu, erupted explosively on Wednesday 27 June, 2018 after a previous explosion that occurred 5 days before. Both eruptions produced ash plumes that are 2000 meter tall and seem to represent that aftermath of the volcano’s intense phase of explosive activity that occurred in early March 2018.
View into Shinmoedake’s crater where the fresh lava ejected in the 6 March explosions is still red hot (aerial photograph taken by The Mainichi)
Shinmoedake is one of 18 young, small stratovolcanoes that make up what is known as the Kirishima volcano group which straddles the boundary between the Miyazaki and Kagoshima prefectures. This 1421 m tall Japanese volcano, famous for its feature in James Bond film ‘You Only Live Twice’, erupted on Wednesday 27 June, 2018, at 15h34 local time, sending a plume of ash and gas 2200 m into the air. A similar event occurred on Friday 22 June, 2018, when at 9h09 local time an explosion spewed ash and smoke up to 2,600 meters in the air. The Japan Meteorological Agency (JMA) reports that large cinders were flung up to 1,100 meters from the center of the crater rim, flying in a ballistic path, and that resulting ash plume was blown east, carrying small cinders a long way by the wind.
The 22 June explosion was the first explosive eruption since a month of increased volcanic activity ended on April 5, 2018. After 7 years of inactivity, the volcano suddenly came back to live and produced 18 violent explosions on 6 March 2018. The volcano thereby hurled rocks measuring 50 centimeters in a radius of 900 m around the vent and created an eruption plume that reached a height of about 3000 meters. This intense eruptive activity continued into March 7 when 11 more explosions were registered by JMA and the presence of red hot lava in the vent was confirmed. After this intense first phase activity died down to irregular explosions during the next couple of weeks, 1 eruption in May and now two more in late June.
The Japan Meteorological Agency (JMA) maintains the volcano alert level at 3 - restricted entry to the mountain – on a scale of 5. No evacuations were carried out, but they call on the public to exercise caution around the volcano as large chunks of debris could fall within a 3-kilometer radius of the vent, while pyroclastic flows could reach as far as 2 kilometers.
A three minute video of the entire 22 June 2018 explosion was shared on the YouTube channel of VolcanoYT’:
Japanese news paper The Mainichi obtained some great photographs of the eruption during a helicopter overflight on 6 March
Links / Sources:
Links / Sources:
Kirishima volcano Volcanic Ash Advisory: ERUPTED AT 20180627/0634Z FL120 EXTD NE OBS VA DTG: 27/0630Z
Wednesday, Jun 27, 2018
Kirishima volcano Volcanic Ash Advisory: EXPLODED AT 20180622/0009Z OVER FL110 EXTD E OBS VA DTG: 22/0000Z
Friday, Jun 22, 2018
Kirishima volcano Volcanic Ash Advisory: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY OBS VA DTG: 14/2320Z
Tuesday, May 15, 2018
Kirishima volcano Volcanic Ash Advisory: ERUPTED AT 20180514/0544Z FL160 EXTD SE OBS VA DTG: 14/0540Z
Monday, May 14, 2018
Kirishima volcano Volcanic Ash Advisory: ERUPTED AT 20180426/0915Z VA CLD UNKNOWN OBS VA DTG: 26/0910Z
Thursday, Apr 26, 2018