EEFIT Mission report: Gorkha, Nepal April 2015

This EEFIT Field Mission report details the geological events leading up to the 7.8 Mw earthquake which struck Gorkha on 25 April 2015 and the consequences for the structures and communities affected. The report describes:

• The tectonics, seismology and seismic hazard, including:
  • Aftershocks and fault rupture length
  • Strong ground motion accelerogram recorded at Kathmandu
  • Seismic hazard mapping and seismic zonation in Nepal
• Nepalese building stock, construction practices and building performance, including:
  • Masonry structures
  • Vernacluar houses
  • Temples and monuments
  • Concrete structures
• Geotechnical aspects, including
  • Landslides
  • Geotechnical structures
  • Site effects
  • Site amplification
  • Liquefaction
• Education and healthcare facilities
• Socio-economic impact