About Leskov Island
Leskov Island is a stratovolcano rising to 190 meters (623 feet) in United Kingdom's Antarctic-Scotia Volcanic Regions. No historical eruptions have been recorded, though the volcano is classified based on geological evidence of past activity.
Geography & Climate
Leskov Island is located in United Kingdom, within the South Sandwich Volcanic Arc of the broader Antarctic-Scotia Volcanic Regions. Situated at 56.66° S, 28.14° W in the Southern Hemisphere, the volcano lies within a subarctic climate zone. At just 190 meters above sea level, Leskov Island 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 composite, which describes the physical shape and structure of the volcanic edifice as observed from the surface.
Geological Context
Leskov Island 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 United Kingdom near Leskov Island, 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.
GVP Reference Summary
The small crescent-shaped Leskov Island lies about 50 km W of the main axis of the South Sandwich Islands, but appears to be comparable in age to volcanoes along the main arc. Only 900 m long and 400 m wide, it is bounded by steep cliffs and is the eroded remnant of a small andesitic stratovolcano. Its arcuate, NE-facing escarpment is concave toward Crater Bay, the site of the main eruptive center. A single Potassium-Argon determination gave an age of 0.5 million years, but fumarolic activity was recorded along the summit ridge in 1911 and 1964 (LeMasurier and Thomson, 1990).
— Smithsonian Institution, Global Volcanism Program
0 Recorded Eruptions
No eruption records available for Leskov Island.
Real-Time Data
USGS Alert Level
Thermal Anomalies
Frequently Asked Questions About Leskov Island
Is Leskov Island an active volcano?+
Leskov Island is not currently classified as active. Its activity evidence is listed as "Unrest / Holocene." No recorded eruptions have been documented. However, no volcano is ever considered permanently extinct.
How high is Leskov Island?+
Leskov Island has a summit elevation of 190 meters (623 feet) above sea level. At 190 meters, it is a relatively low-elevation volcano.
What type of volcano is Leskov Island?+
Leskov Island is classified as a Stratovolcano. Stratovolcanoes (also called composite volcanoes) are steep, conical volcanoes built up by many layers of hardened lava, tephra, and volcanic ash. They are among the most common and dangerous types, known for explosive eruptions.
Where is Leskov Island located?+
Leskov Island is located in United Kingdom, in the Antarctic-Scotia Volcanic Regions. More specifically, it lies within the South Sandwich Volcanic Arc. Its exact coordinates are -56.656° latitude, -28.140° longitude.
Is it safe to visit Leskov Island?+
Leskov Island can generally be visited, but as with any volcano, visitors should check local conditions and any advisory notices before traveling. United Kingdom may have specific regulations for accessing volcanic areas. Guided tours are often the safest and most informative way to experience a volcano.