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Classifications and Concepts (Chapter 2) - Disasters and History
Disaster Information - FEMA.gov
Types, Definition and Classification of Natural Disasters and …
A universal severity classification for natural disasters
Classification of Disasters and Disaster Management - UPSC
Disaster Classification System | EM-DAT Documentation
Understanding Disaster Levels and Alerts - School of Public Health
Disaster - Wikipedia
Hazard definition and classification review: Technical report
EM-DAT - The international disaster database