About Tronador
Tronador is a stratovolcano rising to 3,478 meters (11,411 feet) in Chile-Argentina's South America Volcanic Regions. No historical eruptions have been recorded, though the volcano is classified based on geological evidence of past activity.
Geography & Climate
Tronador is located in Chile-Argentina, within the Southern Andean Volcanic Arc of the broader South America Volcanic Regions. Situated at 41.16° S, 71.89° W in the Southern Hemisphere, the volcano lies within a temperate climate zone. At 3,478 meters above sea level, Tronador rises above the surrounding terrain into montane or subalpine conditions. The elevation creates distinct ecological zones along its flanks, from forested lower slopes to exposed rocky terrain near the summit. 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
Tronador 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 Chile-Argentina near Tronador, 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 Tronador volcanic group straddles the Chile-Argentina border east of scenic Lake Todos los Santos. Activity dates back to the early Pleistocene, and the most prominent part of the dominantly basaltic-to-andesitic complex is the prominent, glacier-covered Monte Tronador volcano, which formed in three stages during the mid-Pleistocene. The only possible Holocene activity took place SSE of Monte Tronador, where the Fonck cinder cone (also known as Cerro Volcanico) overlies rocks of the Steffen volcano group. The well-preserved cone was the source of a single andesitic lava flow that postdates the last glacial cycle dating back to 70,000-14,000 years ago and has variously been inferred to be of latest Pleistocene or Holocene age.
— Smithsonian Institution, Global Volcanism Program
0 Recorded Eruptions
No eruption records available for Tronador.
Real-Time Data
USGS Alert Level
Thermal Anomalies
Frequently Asked Questions About Tronador
Is Tronador an active volcano?+
Tronador is not currently classified as active. Its activity evidence is listed as "Evidence Uncertain." No recorded eruptions have been documented. However, no volcano is ever considered permanently extinct.
How high is Tronador?+
Tronador has a summit elevation of 3,478 meters (11,411 feet) above sea level. At 3,478 meters, it is comparable in height to many significant mountain peaks and stands well above the tree line.
What type of volcano is Tronador?+
Tronador 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 Tronador located?+
Tronador is located in Chile-Argentina, in the South America Volcanic Regions. More specifically, it lies within the Southern Andean Volcanic Arc. Its exact coordinates are -41.157° latitude, -71.885° longitude.
Is it safe to visit Tronador?+
Tronador can generally be visited, but as with any volcano, visitors should check local conditions and any advisory notices before traveling. Chile-Argentina may have specific regulations for accessing volcanic areas. Guided tours are often the safest and most informative way to experience a volcano.
