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Listen to the pulse of an erupting volcano: Chile's Villarrica
![Geologist Jeff Johnson working in the inner crater of Villarrica, an active volcano in Chile.](/news/mmg/media/images/Inner Crater_f.jpg)
Geologist Jeff Johnson working in the inner crater of Villarrica, an active volcano in Chile.
Credit: Richard Sanderson
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"Circulation" of a volcano: infrasounds of erupting Villarrica volcano in Chile.
Credit: Jeff Johnson, Boise State University
![lava coming out](/news/mmg/media/images/Villarrica_lava_fountain Jonathan Lewis Wikimedia Commons_f.jpg)
Scientists studying Villarrica witnessed spectacular fire fountains.
Credit: Wikimedia Commons/Jonathan Lewis
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![Photo of Villarrica taken from the east, shortly before the March 3, 2015, eruption.](/news/mmg/media/images/Before_f.jpg)
Photo of Villarrica taken from the east, shortly before the March 3, 2015, eruption.
Credit: Jeffrey Johnson
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![Mudflow from the eruption](/news/mmg/media/images/Rio Turbio Lahar_f.jpg)
Mudflow from the eruption; infrasound analysis reveals the mudflow's speed, duration and location.
Credit: Jeffrey Johnson
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![An Araucaria tree near Villarrica,](/news/mmg/media/images/Araucauria Tree and Scoria_f.jpg)
An Araucaria tree near Villarrica, dotted with "lava rock," or scoria, from the eruption.
Credit: Jeffrey Johnson
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