Image of Popocatépetl from VIIRS channel I-04, 07:58 UTC 20 April 2012 Published May 18, 2012 at 688 × 475 in Popocatépetl, the Smoking Mountain Image of Popocatépetl from VIIRS channel I-04, 07:58 UTC 20 April 2012 (courtesy William Straka, III / CIMSS) Image of Popocatépetl from VIIRS channel I-04, 07:58 UTC 20 April 2012 (courtesy William Straka, III / CIMSS)