Strong explosion at Sheveluch volcano – Ash plume reported 910 km from the volcano – Aviation alert level red during 7 hours

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On December 9, 2016, the Sheveluch volcano strongly exploded ejecting an ash plume @ 11,000 meters asl.

The ash cloud was spotted by satellites up to 565 miles (910 km) from the volcano. The aviation alert rose to red between 9.12 at 22:35 UTC and 10.12 at 5:38 UTC, before returning to orange.

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Ash explosion at Sheveluch volcano on 20 October, 2016. By Yu. Demyanchuk, IVS FEB RAS, KVERT

The intense explosive-extrusive activity continues at Shevelush volcano with a strong explosion on December 9, 2016 during which the Aviation Color Code has risen from orange to RED. The plume of ash was sent 5 km above the volcanic peak and then derived NNE towards the Bay Ozernovsky, an uninhabited area.

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Sheveluch ash plume on December 9, 2016 @10:10pm. Satellite image by Himawari 8 / IR / VAAC Tokyo

Meanwhile, the strong explosive event of Sheveluch volcano has finished. According to satellite data, a thermal anomaly is observed over the volcano with no ash being released.

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Simulation of the route of the Sheveluch’s ash cloud towards December 10 – By VAAC Tokyo

However, KVERT explains that ash explosions up to 32,800-39,400 ft (10-12 km) a.s.l. – which could affect international and low-flying aircraft – could occur at any time.

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