Excerpts from Books and Wikipedia
"A rain of hot ash fell on Sumatra, killing 1000 people outright. . . . The tsunamis killed an additional 35,000 people, as well as utterly destroying 165 villages and settlements and damaging a similar number. The huge eruption caused significant climate change around the world. In the year after the eruption, average global temperatures fell by 2°F." [Furtado: 1001 Days]
"According to the official records of the Dutch East Indies colony, 165 villages and towns were destroyed near Krakatoa, and 132 were seriously damaged. At least 36,417 people died, and many more thousands were injured, mostly from the tsunamis that followed the explosion. The eruption destroyed two-thirds of the island of Krakatoa." [Wikipedia]