Q COSTARICA
Q COSTA RICA (Sciencemag.org) Last month, researchers from the National Autonomous University of Mexico hoped to reach the top of Popocatépetl, a 5400-meter-tall volcano near Mexico City, to install monitoring equipment at its summit crater.
But El Popo, as locals call it, rebuffed them with ash and belches of acrid gas—precisely what the scientists wanted to measure. They settled for installing the sensor lower down the mountain, and hope to move it higher next year. The goal is to measure just what—and how much—El Popo has been smoking, because the fumes may hold a promising way to forecast eruptions.
The Turrialba volcano at 9:25:57 November 30, 2016. Image is from the live camera installed by the OVSICORI about 600 meters east of the active crater (facing west).The
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