ORIGIN OF EARTHQUAKES
That the origin of earthquakes in New Zealand is in pressure transmitted to the shore line of the Dominion from the subsided movements of the floor oi the Pacific Ocean is the opinion of Professor Sir Edgeworth David, of Sydney» as stated in an interview published in the “ Daily Guardian.” Professor David was a member of the Shackleton 1907-0 expedition to the Antarctic, and in that capacity made valuable contributions to the storehouse of scientific, knowledge. “ Earthquakes,” lie said, ‘‘are. caused by cracks forming in the earth’s crust, along pones where great masses are being set up by movements, usually of the ocean floor, along where a great ocean is bounded by a land shore line.” Sir Edgeworth recalls that in the severe New Zealand earthquake in 1855 the shock developed into an actual track starting on the north side of Cook Strait, 40 miles east, o r Wellington, and travelling 90 miles inland. “ Practically the whole of the shore line of the Pacific is from time to time visited either by earthquake shocks or volcanic eruptions.”
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Hokitika Guardian, 5 July 1929, Page 5
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180ORIGIN OF EARTHQUAKES Hokitika Guardian, 5 July 1929, Page 5
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