A steel drill has been sent 15 metres into the dirt at Lansdowne Park in the hopes of finding out why “gravelly soil” produces liquefaction in an earthquake. During the 2016 Kaikōura earthquake “gravelly” soil areas in Blenheim liquefied. SCOTT HAMMOND/Stuff.co.nz Scientists are hoping to find out why "gravelly soil" liquefied after the Kaikōura earthquake. The first phase of the research would establish which “gravelly soil deposits” were likely to liquify. “The idea is that we had manifestation of liquefaction here [Lansdowne Park] and we observed gravelly soil at the surface.

Source: Stuff September 07, 2020 22:30 UTC