Callaqui

Callaqui is a stratovolcano located in the Andes of the Biobío Region of Chile. It is part of the Southern Volcanic Zone, a volcanically active region formed by the subduction of the Nazca Plate beneath the South American Plate.

Callaqui is characterized by its ice cap, which covers a summit caldera and surrounding slopes. The volcano has a complex history of eruptions, including lava flows, pyroclastic flows, and tephra falls. Historical records indicate that Callaqui has had several confirmed eruptions, although these have been relatively small in scale. Its remote location and challenging terrain have historically limited detailed monitoring and study.

The name "Callaqui" is believed to originate from the Mapuche language, although its exact meaning is debated. The indigenous Mapuche people hold the volcano in cultural and spiritual significance.

The primary hazards associated with Callaqui's eruptions include lahars (volcanic mudflows) and ashfall, which can impact nearby river valleys and potentially affect air travel. Due to its glaciated nature, any significant eruption would likely generate substantial meltwater, increasing the risk of lahars. Ongoing monitoring efforts aim to better understand Callaqui's eruptive behavior and mitigate potential hazards.