1.3K views · 27 reactions | ERUPTION: Rumbling Mount Sinabung on Indonesia’s Sumatra island sends a column of volcanic materials as high as 16,400 feet into the sky. | Bongaigaon Now | Facebook

Mantle Plume | Definition, Causes & Examples

#Throwback On this day in 1991, as the Philippines commemorated Independence Day, Pinatubo Volcano had its first major eruption - sending ash column up to nearly 24 km high! Nearly 48 hours after the government raised the alarm and Clark Airbase evacuated, Pinatubo unleashed its first major fury - proving that the warnings were right. Scientists call this the 'throat clearing' phase of Pinatubo, which preceded its largest eruption on June 15. Here's a video excerpt from the documentary MT. PINAT

201 Years Ago, This Volcano Caused a Climate Catastrophe