Can you tell me which were the largest volcanic eruptions in the 20th century?
user
Let’s find a timeline of volcanic eruptions.  Where are you most interested in seeing them?  Africa, Europe, the Americas, Asia, etc?
assistant
I am interested in worldwide eruptions.
user
We can see that there were many eruptions in the 20th century, some of which were quite large.  For instance, these are some of the largest eruptions in the 20th century:

Volcano  Time Period           Size (Sulfur Dioxide)

Chaiten              Jun-Dec, 1985             $100 million

Jungshupo            Nov-Dec, 1970             $10 million

Pinatubo              Dec, 1991-Mar, 1992        $3-6 billion

Unzen               Jun-Sep, 1991              $1 billion

Shiveluch          May-Aug, 1988               $400 million
assistant
Can you tell me which were the largest volcanic eruptions in the 20th century?
user
Let’s find a timeline of volcanic eruptions.  Where are you most interested in seeing them?  Africa, Europe, the Americas, Asia, etc?
assistant
I am interested in worldwide eruptions.
user
Here’s a good chart showing eruptions of all sizes worldwide, although the article it links to does not name them:

http://geology.com/eruptions/
assistant
Can you tell me which were the largest volcanic eruptions in the 20th century?