The Popocatépetl volcano in Mexico has been under observation since it violently spewed ash vertically into the air, startling locals.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/mexican-volcano-violently-expels-ash-3-miles-sky-frightening-locals
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/nature-world-news
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/natural-disasters
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/volcanic-eruptions
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mexico