A July 16, 2001 prediction that this volcano would erupt the next day was accurate to within three minutes.  
A July 16, 2001 prediction that this volcano would erupt the next day was accurate to within three minutes.  The lava flow threatened the town of [*] Nicolosi, making it this volcano's most dangerous eruption since 1992, when lava entered the town of Zafferana. For 10 points—name this oldest active volcano in the world, found on Sicily.
A July 16, 2001 prediction that this volcano would erupt the next day was accurate to within three minutes.  
Mount Etna