The landslide carried with it another 40 million cubic metres of rock and ice. The impact caused an earth quake of 3.9 on the Richter scale. [P207 In search Of Ancient NZ.Campball and Hutching.GNS science/Penguin.2011.]
Michael J. Crozier. »Mt Cook landslide«. Te Ara — the Encyclopedia of New Zealand. Pridobljeno 3. maja 2007.