Significant activity was reported at Klyuchevskoy volcano in Kamchatka, Russia, on October 31, 2023. The Aviation Color Code was raised to Red at 02:34 UTC, and satellite data indicated an ash column reaching up to 14 km (46 000 feet) above sea level at 23:10 UTC.
Activity at Klyuchevskoy volcano in Kamchatka, Russia increased significantly on October 31, 2023, prompting KVERT to raise the Aviation Color Code from Orange to Red. The ash column reached up to 9.8 km (32 152 feet) above sea level and extended for 365 km (226 miles) to the SSE of the volcano.
An explosive-effusive eruption continues at the Klyuchevskoi volcano in Kamchatka, Russia, on October 29, 2023, with ash clouds reaching a height of 10 km (33 000 feet) above sea level. The Aviation Color Code remains at Orange.
After several days of increased activity, a strong eruption took place at Russia’s Bezymianny volcano at around 04:30 UTC on October 18, 2023. As a result, the Kamchatka Volcanic Eruption Response Team (KVERT) increased the Aviation Color Code from Orange to Red.
Significant activity was reported at Russia’s Bezymianny volcano from 19:00 to 20:30 UTC on October 16, 2023. Large hot avalanches collapsed on the eastern slopes, and an ash plume reached a height of 3.5 km a.s.l. The Aviation Color Code was elevated from Yellow to Orange.
Ash clouds produced by the major eruption of Russia’s Sheveluch volcano led to the cancellation of scores of flights in Alaska. The ash clouds drifted across the International Date Line into Alaska airspace, causing safety concerns for airlines over the next couple of days. As a precautionary measure, Alaska Airlines canceled 45 flights to and from Alaska and within the state. Other airlines also had to cancel or delay their flights.
A powerful explosive eruption took place at Russia’s Sheveluch volcano at 13:10 UTC on April 10, 2023. As a result, KVERT raised the Aviation Color Code from Orange to Red. Very heavy ashfall — the strongest in 60 years — was reported in Klyuchi and other nearby cities and villages.
A strong explosive eruption occurred at Russia’s Bezymianny volcano at 05:38 UTC on April 7, 2023. As a result, the Aviation Color Code was raised to Red.
The extrusive eruption at Sheveluch volcano in Russia continues, with the growth of the lava dome and strong fumarole activity observed. Incandescence of the lava dome, explosions, and hot avalanches have also been reported in conjunction with this process.
Lava dome at Sheveluch volcano, Russia continues growing, KVERT reported on January 2, 2023.
