Green’s Dictionary of Slang

(Aus.) New Zealand.

1930		Biz (Fairfield, NSW) 17 Jan. 3/4: He is departing for an extended tour through the ‘Quaky isles’.
1936		Sydney Morn. Herald 24 Oct. 13/2: In New Zealand [...] installing modern equipment will be costly, bit [...] scientific opinion both inside and out of these quaky isles thinks that it ought to be undertaken.
1943		Baker Popular Dict. Aus. Sl. (2nd edn).
1955		in N. Pulliam I Travelled a Lonely Land (1957) 147: Did you know that smoke rode the wind clear to the Quaky Isles.
1961		H.W. Wind Gilded Age of Sport 134: Sydneysiders, naturally, would have you believe that Melbourne slumbers on as serenely as ‘Tazzie’ (Tasmania) or ‘The Quaky Isles’ (New Zealand).
2003		McGill Reed Dict. of N.Z. Sl.