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4 April 2018
High-resolution recordings of the powerful infrasound waves generated by an eruption at Ecuador’s Tungurahua volcano have given scientists a rare view inside the activity at the volcano’s mouth. The acoustic waves generated by the July 2013 eruption were one of the most powerful volcanic infrasound recordings ever captured. The low-frequency infrasound waves from the eruption are too low for human ears to hear but were as powerful as waves one meter (three feet) away from a jet engine.