Olga Shirina, senior researcher at the Institute of Volcanology of the Far Eastern Branch of the Russian Academy of Sciences and head of the Kamchatka volcanic eruption response team, explains the risks of the Shevelyuch volcano.
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She says: "Sheveluch is Kamchatka's most dangerous and volatile volcano, and could erupt at any moment. Lava domes are still flowing from the crater, and it is currently impossible to predict where and when a new lava flow will begin or another powerful explosion will occur."
The expert notes that in April 2024, scientists discovered a new lava dome on the slopes of the ancient Shiveluch Mountain, naming it "300 Years of the Russian Academy of Sciences" because it formed during the academy's founding year. Powerful explosive eruptions were observed in the dome during August, September, and November of that year, after which its activity ceased. The newly formed Shiveluch dome remained dormant for this period before its activity began to increase.
She says: "It is currently in an active phase. Since the beginning of 2026, there have been occasional explosive eruptions, spewing volcanic ash to a height of between 10 and 11 kilometers above sea level."
According to surveillance cameras, the Shiveluch volcano ejected ash to a height of nearly six kilometers above sea level on Monday morning.
Sherina confirms that a repeat of the massive eruption of 2023, when a huge lava dome that had been forming for 20 years collapsed, is not expected. In the village of Kliuchi, 58 kilograms of ash per square meter fell over three days, forming a layer 8-9 centimeters thick.
According to scientists, the volcano's dome is still growing after the April eruption. Currently, the dome is small, and to continue growing, it needs channels to allow magma to enter. This is where the powerful, isolated volcanic eruptions come in, helping to form these channels and allowing the volcano to continue expanding.
Shiveluch volcano is located in the northern part of the Kamchatka Peninsula, within the Eastern Range, and is the northernmost active volcano in the region. The volcano rises to a height of 3,283 meters, while its lava dome reaches approximately 2,500 meters. It is situated 47 kilometers from the village of Klyuchi and about 440 kilometers from the city of Petropavlovsk-Kamchatsky.
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