Here are some useful websites for practitioners:
UN International Strategy for Disaster Reduction (UNISDR)
www.unisdr.org
ProVention Consortium
www.proventionconsortium.org
Eldis - Global Development Issues
www.eldis.org
Hyogo Framework for Action
HFA
IRIN - Humanitarian News and Analysis
www.irinnews.org
Characteristics of a Disaster Resilient Community
Characteristics
Relief web
www.reliefweb.int