Interesting, a 5.2 today in the Aluetian Islands and 5.5 in Taiwain as well today. Lots of activity today according to this site.
There are an average of 3 to 4 Magnitude 5 to 6 earthquakes a Day around the world.
On average there's a 6+ magnitude quake every 2-3 days.
There's lots of activity EVERY day, earthquake-wise.