description Macá fumaroles Overview
Macá fumaroles are gas vents associated with Macá, a glacier-covered stratovolcano in Chilean Patagonia. The volcano rises to about 2,960 m northwest of Puerto Aisén, lies within a caldera, and has a summit lava dome plus flank cinder cones and lava domes along a northeast-trending fissure. Its volcanic setting is also linked to the Liquiñe-Ofqui fault zone, making the vents part of a broader arc and fault-controlled system rather than a standalone hot spring site. [Global Volcanism Program](https://volcano.si.edu/gallery/ShowImage.cfm?photo=GVP-10970)
help Macá fumaroles FAQ
Where are the Macá fumaroles located?
Macá fumaroles are associated with Macá volcano in Chilean Patagonia. The volcano is northwest of Puerto Aisén and rises to about 2,960 metres.
What is distinctive about Macá volcano?
Macá is a glacier-covered stratovolcano located within a caldera. It has a summit lava dome, plus flank cinder cones and lava domes along a northeast-trending zone.
What do the Macá fumaroles indicate?
The fumaroles are gas vents connected with the volcanic system beneath Macá. Their presence reflects heat and volcanic gases moving through the glacier-covered volcano and its surrounding structures.
How high is Macá volcano?
Macá rises to about 2,960 metres. It is one of the volcanic centers in the Southern Andes near Chilean Patagonia's Puerto Aisén region.
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