Volcanic hazards and infrastructure

DEVORA: http://www.devora.org.nz/

Cities and Volcanoes commission of IAVCEI: http://cav.volcano.info/

International Volcanic Health Hazard Network: http://www.ivhhn.org/

USGS volcanic ash impacts page: http://volcanoes.usgs.gov/ash/

USGS natural hazards gateway: http://www.usgs.gov/hazards/

Auckland Council Civil Defence hazards pages:  http://www.aucklandcivildefence.org.nz/Get-Ready/Natural-Hazards/

Natural Hazards Research Platform: http://www.naturalhazards.org.nz/

GNS volcanoes page: http://www.gns.cri.nz/what/earthact/volcanoes/index.html

EQC: http://www.eqc.govt.nz/

GeoNet: http://www.geonet.org.nz/index.html

Global Volcanism Program: http://www.volcano.si.edu/