Earthquakes and tectonic plates

This task is about interpreting a map showing earthquakes and tectonic plates.
 
map of earthquakes in New Zealand
 

map of faultline New Zealand
Focus of earthquakes Earth's tectonic plates and New Zealand   

Question 1Change answer

a)  What relationship is there between the focus of the earthquakes and the position of the plates?

Question 1Change answer

b)  What do the symbols fault-arrows.png on the alpine fault show?

Question 2Change answer

c)  From the maps give two pieces of evidence which show that New Zealand is a geologically active country.
1. 2.