Mexico Volcano Watching

Mexico Volcano Watching

In this July 23, 2013 photo, Gilberto Castelan, director of instrumentation at Mexico’s National Disaster Prevention Center laboratory, shows a seismic graph from Dec. 18, 2000 when a large eruption was recorded at the Popocatepetl volcano in Mexico City. Sensors feed data to the constantly scrolling seismographs as the crew and volcanologists analyze the concentration of gases and changes in the shape of the mountain. (AP Photo/Marco Ugarte)

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507962522537
July 25, 2013 05:19:51 PM
July 31, 2013 03:28:24 AM
Marco Ugarte
AP
ASSOCIATED PRESS
JULY 23, 2013 PHOTO
3817 x 2545 1.37 MB
Volcanoes, Environment and nature
Mexico City, Mexico
XLAT204
STR
MU DLM LM**MEX**

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