On October 18, 2018, Geoscience Australia (GA) released its latest view of earthquake hazard for Australia. A headline finding from the 2018 National Seismic Hazard Assessment (NSHA2018) is the reduction of the 475-year peak ground acceleration hazard estimates on rock conditions by up to 70 percent. While GA had updated the Australian seismic hazard model in 2012 (Burbidge et al., 2012), the basis of the Australia building code is a 1991 map described by McCue (1993) which is included in the Global Seismic Hazard Map (figure 1 below) published nearly twenty years ago (Global Seismic Hazard Assessment Program (GSHAP); Giardini, 1999). This 2018 update is pivotal in addressing the long running scientific debate started since.
Jochen Woessner is a lead modeler in earthquake model development at RMS, and is based in Zurich. He joined fellow employees from RMS and RMS clients on our annual Impact Trek in Nepal during March this year. This is Jochen’s account of his time in Nepal.
“I am sorry, you have only five minutes, please focus on the conclusion of your work,” said the convener G. Pokharel to Liva Shrestha, the local lead structural engineer for Build Change and myself when we sat down on the panel chairs of the session entitled “Disaster Risk Management and Prevention”. This session was on day three of the Fifteenth National Convention of Engineers in Kathmandu, organized by the Nepali Engineers’ Association. Liva calmly walked to the podium and started giving her talk on goals and achievements of Build Change. My thoughts started circling. “How could I best condense my 25-minute presentation into a clear five-minute summary?”