Click here to see the SAS code.
Click here to see the example.


My SAS/Graph simplification of a map I saw on this page while doing
some Google searches (note: this page is most-probably a site trying
to prey on peoples' fears, to sell "prepper" supplies):

The actual experts say we're probably not in for a supervolcano
any time soon, so just consider this a 'fun' map, and a way to
learn some SAS/Graph techniques!

For more info about why we're probably *not* due for a supervolcano
eruption soon, see pages such as:

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