Pinatubo 1991 Eruption — Mount Pinatubo at daybreak on June 15, 1991, a few minutes after the start of the climactic eruption
Photo Credit: By USGS / Cascade Volcano Observatory - http://vulcan.wr.usgs.gov/Volcanoes/Philippines/Pinatubo/images.html, Public Domain, https://commons.wikimedia.org/w/index.php?curid=12591188