俄将克柳切夫火山地区航空危险等级提升为最高级“红色”

Group 1 - The Klyuchevskoy Volcano in the Kamchatka Peninsula has been upgraded to the highest aviation hazard level "red" due to its ongoing explosive eruptions [1] - Satellite data indicates that the ash plume from the volcano has reached heights of 11.5 kilometers and extends 124 kilometers eastward [1] - The Russian Emergency Situations Ministry warns of potential lava flows and ash fallout in populated areas, advising residents to take precautions [1] Group 2 - Klyuchevskoy Volcano, standing at 4,750 meters, is one of the highest and most active volcanoes in Eurasia, with a summit crater approximately 700 meters in diameter [2] - The volcanic activity began following a strong earthquake of magnitude 8.7 that occurred near the Kamchatka Peninsula on July 30 [2]