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NZ Herald: Christchurch earthquake – Deadly tremors rebounded on city

Peter Griffin posted in on February 25th, 2011.

Isaac Davison writes in the New Zealand Herald about how hard rock near the epicentre of Tuesday’s Christchurch earthquake may have made the situation worse, by reflecting more seismic activity towards the city. While earthquake waves can be dispersed or absorbed by some types of material, they are also deflected by hard surfaces, such as […]

NZ Herald: Hamish Campbell – Technically it’s just an aftershock

Peter Griffin posted in on February 24th, 2011.

GNS Science geologist Dr Hamish Campbell explains why Tuesday’s earthquake is being classified as an aftershock of September’s Darfield earthquake. The violence of the earthquake was due to a mixture of sideways and vertical movement, combined with accelerations of 1.8g or over (the greatest ground acceleration ever recorded in New Zealand) An excerpt: (read in […]

Waikato Times: Ancient history and the age when dinosaurs roamed

Peter Griffin posted in on September 10th, 2010.

David Riddell writes in the Waikato Times about a recent talk by Professor Cam Nelson about New Zealand’s geological history – from its beginnings attached to Gondwanaland, to its current position. The talk, intended to set the geological scene, is the first in a series which will be focused on New Zealand’s dinosaurs. An excerpt: […]

NZ Herald: Auckland: Raised from the sea

Peter Griffin posted in on August 24th, 2010.

John Roughan writes in the NZ Herald about the creation of New Zealand – an event which happened fairly recently – and how Auckland’s landscape has changed over the years. The massive volcanoes which helped to build Auckland up are mostly gone now, and it is also possible that New Zealand carried more plants and […]

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