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A major eruption has begun at the Klyuchevskoy volcano, located on Russia’s remote Kamchatka Peninsula in the country’s far east, according to the Russian state news agency RIA. The volcanic activity followed a powerful earthquake that struck in the Pacific Ocean on July 30, 2025, shaking the seismically active region.
While officials have yet to issue detailed impact assessments or evacuation orders, the timing of the eruption suggests a possible link between the tectonic disturbance and the awakening of one of Eurasia’s tallest and most active stratovolcanoes.
The Kamchatka branch of the Russian Academy of Sciences’ Unified Geophysical Service confirmed the eruption in an official statement, declaring: “Right now, Klyuchevskoy is erupting.”
Preliminary data indicate that hot lava is descending the volcano’s western slope. Bright volcanic glow and explosive sounds have also been observed above the summit, according to footage from seismic monitoring cameras.
The Kamchatka Peninsula, situated between the Sea of Okhotsk and the Pacific Ocean, is known for its high concentration of volcanoes, many of which remain active.
The Klyuchevskoy volcano, in particular, is a prominent peak in this landscape, standing at over 4,700 meters (15,420 feet). It has seen numerous eruptions in recent decades and is closely monitored by the Russian authorities.
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