Popocatépetl spews volcanic ash to 7.3 km (24 000 feet) a.s.l., Mexico
Volcanic ash produced by the eruption of Mexico's Popocatépetl volcano has reached an altitude of 7.3 km (24 000 feet) a.s.l. around 03:30 UTC on September 14, 2016, the Washington VAAC reported. Volcanic ash is not observable in satellite imagery due to…

