Thanks, I think i have all the information I need! 
 The second largest terrestrial eruption of the 20th century was the eruption of Mount Pinatubo in 1991. 
 Your welcome. 
 tell me about their economy now, please. 
 Oh wow. Can you tell me a bit more of its geography?
The second largest terrestrial eruption of the 20th century was the eruption of Mount Pinatubo in 1991.