Eruption column
Videos
An eruption column or eruption plume is a cloud of super-heated ash and tephra suspended in gases emitted during an explosive volcanic eruption. The volcanic materials form a vertical column or plume
Eruption column over Mount Pinatubo in the Philippines, June 12, 1991
Eruption column rising over Redoubt Volcano, Alaska, on 21 April 1990, which reached a height of about 9 km (5.6 mi)
The eruption column produced by the 1980 eruption of Mount St. Helens as seen from the village of Toledo, Washington, which is 56 km (35 mi) away. The cloud was roughly 64 km (40 mi) wide and 24 km; 79,000 ft (15 mi) high.
Mount Pinatubo
Videos
Mount Pinatubo is an active stratovolcano in the Zambales Mountains in Luzon in the Philippines. Located on the tripoint of Zambales, Tarlac and Pampanga provinces, most people were unaware of its eru
Eruption column
…is much more slowly dispersed, in the absence of weather systems. Substantial amounts of stratospheric injection can have global effects: after Mount Pinatubo erupted in 1991, global temperatures dropped by about 0.5 °C (0.90 °F). The largest eruptions are thought to cause temperature drops down to several…
Mount Pinatubo after the 1991 eruption, the crater lake in 2012
Aerial view of Mount Pinatubo prior to 1991 eruption, March 1933
Pinatubo in April 1991, approximately two months in advance of the eruption.