Two volcanoes – Sheveluch and Klyuchevskoy – erupted strongly within 12 hours in Kamchatka, Russia.
After the Sheveluch volcano sent a plume of ash and gas 12 km in the air on July 23rd, Klyuchevskaya Sopka set itself on fire on 24th ejecting ash 5.5 km above its summit.
The Sheveluch volcano exploded on July 23, 2017 at 17:40 UTC rumbling for over 480 minutes. The plume of ash and gas rose 11,500-12,000 meters above sea level while strong pyroclastic flows came down the hillslopes.
Ash drifted in the ENE direction over 205 km, towards the Gulf of Ozernaya, bypassing populated areas.
Red aviation alert was issued for a short time before returning to orange a ew minutes later. Tourist organizations are advised not to drive towers in the volcano area.
On July 24, 2017, the Klyuchevskoy volcano erupted aout 12 hours after the Sheveluch’s explosion, sending ash 5.5 kilometers above sea level. The episode lasted 300 minutes.
The ash plume spread 45 kilometers east-north-east of the volcano toward the Ozernaya Bay. There are no settlements in this direction. No ashfall in the villages of the Ust-Kamchatka region has reported.
The volcano is under an orange (elevated) aviation hazard code. Tourist organizations are advised not to conduct tours in the area of the volcano.