"We live in a very active country in terms of tectonics."
New rules were introduced in 2017 that set time frames for at-risk structures to be strengthened or demolished.
The largest quake was a magnitude 4.4 on June 19.
Over 4000 people have reported feeling the quake.
They felt the earth move.
It was at a shallow depth.
One was just 19km deep.
It was felt from Kaikōura to Palmerston North.
The quake hit about 70km southwest of Waverley in Taranaki, GeoNet says.
