Jun 18, 2018 08:24 PM
SUMMARY: A volcano in Ecuador with a deep cylindrical crater might be the largest musical instrument on Earth, producing unique sounds scientists could use to monitor its activity. New infrasound recordings of Cotopaxi volcano in central Ecuador show that after a sequence of eruptions in 2015, the volcano's crater changed shape. The deep narrow crater forced air to reverberate against the crater walls when the volcano rumbled.
MORE: https://www.sciencedaily.com/releases/20...154500.htm
MORE: https://www.sciencedaily.com/releases/20...154500.htm