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Kronotsky

Stratovolcano · Russia · 3482m

Kronotsky stratovolcano Is located between the Pacific Ocean and Lake Kronotsky, Kamchatka's largest lake. The flanks are dissected by radial valleys up to 200 m deep. Weak phreatic eruptions took place during the 20th century. Kronotsky is seen here from the SW with the caldera rim of neighboring Krasheninnikov volcano in the foreground.
Kronotsky stratovolcano Is located between the Pacific Ocean and Lake Kronotsky, Kamchatka's largest lake. The flanks are dissected by radial valleys up to 200 m deep. Weak phreatic eruptions took place during the 20th century. Kronotsky is seen here from the SW with the caldera rim of neighboring Krasheninnikov volcano in the foreground. · Photo: Photo by Yuri Doubik (Institute of Volcanology, Petropavlovsk). · Wikimedia Commons
Type
Stratovolcano
Country
Russia
Region
Northwestern Pacific Volcanic Regions / Eastern Kamchatka Volcanic Arc
Elevation
3482m
Coordinates
54.753, 160.533
Last eruption
-3350
Tectonic setting
Subduction zone / Continental crust (> 25 km)
Landform
Composite
Major rock type
Basalt / Picro-Basalt
Geological summary

The symmetrical Kronotsky stratovolcano on the Kamchatka Peninsula lies between the Pacific Ocean and Lake Kronotsky. Extensive lava flows on the south side of the volcano dammed the Listvenichnaya River to form the lake. A steep summit ridge forms the peak above flanks that are dissected by radial valleys up to 200 m deep. Small cinder cones are present on the lower N and S flanks, 5-10 km from the summit. Lavas have been dominantly basaltic, with the exception of the small basaltic andesite summit lava extrusion and a flank lava flow. Fumarolic activity has been reported from near the summit. Gorbach et al. (2024) found scoria horizons associated with explosive eruptions dated to ~5,200-5,400 and ~6,000 years BP.

From Wikipedia

Kronotsky is a major stratovolcano on the Kamchatka Peninsula, Russia. It is located in Kronotsky Nature Reserve to the east of Lake Kronotskoye. It has a particularly symmetrical conical shape, comparable to Mount Fuji in Japan and to Mount Mayon in the Philippines. The summit crater is plugged by a volcanic neck, and the summit itself is ice-capped. It exhibits the classic radial drainage pattern, extending downward from its crater. Kronotsky is considered to be one of the most scenic volcanoes in Kamchatka. In the 20th century, the volcano had low activity, with occasional weak phreatic eruptions. Its latest eruption started on October 4, 2025, with an ash cloud up to 9 km (5.6 mi) high.

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Eruption history

Summary (VEI over time)
Click a bar to see individual eruptions
4050 BCE~3980 BCE · 1 eruptions · max VEI 33420 BCE~3350 BCE · 1 eruptions · max VEI 24050 BCE3910 BCE3700 BCE3560 BCE3420 BCE

Detailed timeline

  1. 3350 BCE (±100 yrs)VEI 2Geological estimate
    BCE 3350 – Ongoing
  2. 4050 BCEVEI 3Geological estimate
    BCE 4050 – Ongoing

External links

⚠ For reference only. Not for emergency response.