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Klyuchevsky Volcano Erupts, Spewing Ash 8 Km High
14 Aug
Summary
- Klyuchevsky volcano in Kamchatka erupted, sending ash 8 km into the air
- Ash plume stretched 521 km east-northeast of the volcano
- Volcano assigned orange aviation hazard code
On August 14, 2025, Klyuchevsky Volcano, the highest volcano in Eurasia, erupted in Russia's Kamchatka Peninsula. The explosive eruption sent ash plumes up to 8 kilometers (5 miles) above sea level. The ash cloud stretched 521 kilometers (324 miles) east-northeast of the volcano, prompting aviation authorities to assign an orange hazard code.
The Kamchatka Volcanic Eruption Response Group of the Russian Academy of Sciences reported that the eruption had been ongoing since a powerful earthquake struck the region on July 30, 2025. After a brief lull, the giant volcano became active again, spewing ash high into the skies over the remote peninsula.
Klyuchevsky is a regular cone-shaped volcano with a summit crater about 700 meters (2,300 feet) wide. It also has around 80 side blast craters and cinder cones on its slopes. The latest eruption is the latest in a series of periodic events that have made Klyuchevsky one of the most active volcanoes in the world.
