About Bliznetsy
Bliznetsy is a lava cone rising to 265 meters (869 feet) in Russia's Northwestern Pacific Volcanic Regions. Its last known eruption dates to 1060 BCE, in prehistoric times. The volcano has produced 1 recorded eruption, with a maximum Volcanic Explosivity Index (VEI) of 1.
Geography & Climate
Bliznetsy is located in Russia, within the Central Kamchatka Volcanic Arc of the broader Northwestern Pacific Volcanic Regions. Situated at 57.35° N, 161.37° E in the Northern Hemisphere, the volcano lies within a subarctic climate zone. At just 265 meters above sea level, Bliznetsy is a relatively low-elevation volcanic feature. Despite its modest height, it remains an active geological formation with the same underlying magmatic processes as its taller counterparts. The volcanic landform is characterized as a minor, which describes the physical shape and structure of the volcanic edifice as observed from the surface.
Geological Context
Bliznetsy sits in a subduction zone, where one tectonic plate dives beneath another, creating intense heat and pressure that generates magma. Subduction zones are responsible for many of the world's most explosive volcanoes and deadliest eruptions. For communities in Russia near Bliznetsy, this tectonic setting means the volcano is capable of producing powerful explosive eruptions, pyroclastic flows, and lahars that can threaten populated areas within tens of kilometers of the summit. The dominant rock type is andesite / basaltic andesite, a dark, fine-grained volcanic rock that forms from rapidly cooling, low-viscosity lava. Basaltic eruptions tend to be less explosive and produce fluid lava flows that can travel long distances. While less immediately dangerous than explosive eruptions, basaltic lava flows can destroy structures and infrastructure in their path, and volcanic gases released during these eruptions can affect air quality over a wide area.
Eruption History Summary
Bliznetsy has 1 recorded eruption in the geological database, spanning from 1060 BCE to 1060 BCE. The most powerful recorded event was a gentle, effusive event in 1060 BCE, reaching VEI 1 on the Volcanic Explosivity Index.
GVP Reference Summary
The Bliznetsy ("Twins") lava flows occupy a low-lying area east of the Sredinny Range and north of the Eastern Volcanic Zone volcanoes. The young flows lie south of the Ozernaya River about 80 km north of historically active Sheveluch volcano. Effusion of about 0.5 km3 of lava flows about 3000 years ago was preceded by weak phreatomagmatic eruptions.
— Smithsonian Institution, Global Volcanism Program
1 Recorded Eruption
| Year | VEI | Type | Area |
|---|---|---|---|
| 1060 BCE | 1 | Confirmed Eruption | — |
Real-Time Data
USGS Alert Level
Thermal Anomalies
Frequently Asked Questions About Bliznetsy
Is Bliznetsy an active volcano?+
Bliznetsy is not currently classified as active. Its activity evidence is listed as "Eruption Dated." The last known eruption was in 1060 BCE. However, no volcano is ever considered permanently extinct.
When did Bliznetsy last erupt?+
The most recent recorded eruption of Bliznetsy occurred in 1060 BCE with a Volcanic Explosivity Index (VEI) of 1. The eruption was classified as a "Confirmed Eruption." Bliznetsy has 1 recorded eruption in total.
How high is Bliznetsy?+
Bliznetsy has a summit elevation of 265 meters (869 feet) above sea level. At 265 meters, it is a relatively low-elevation volcano.
What type of volcano is Bliznetsy?+
Bliznetsy is classified as a Lava cone. Lava cone volcanoes have distinct geological characteristics that set them apart from other volcanic types.
Where is Bliznetsy located?+
Bliznetsy is located in Russia, in the Northwestern Pacific Volcanic Regions. More specifically, it lies within the Central Kamchatka Volcanic Arc. Its exact coordinates are 57.350° latitude, 161.370° longitude.
Is it safe to visit Bliznetsy?+
Bliznetsy can generally be visited, but as with any volcano, visitors should check local conditions and any advisory notices before traveling. Russia may have specific regulations for accessing volcanic areas. Guided tours are often the safest and most informative way to experience a volcano.
