Terremotos		Tsunamis
	Deslizamiento		Volcanes
	Huracanes		Ayuda humanitaria
	Inundaciones		Organizaciones regionales
	Sequías

Terremotos
Earthquake Engineering Research Center (EERC)
The Eartquakes and Megacities Initiative (EMI)
Earthquake Engineering Research Institute
Earthquake Hazards Program - Northern California
John A. Blume Earthquake Engineering Center
Observatorio Sismológico del SurOccidente, Cali. Colombia
Southern California Earthquake Center
The Seismological Society of America SSA
The Multidisciplinary Center for Earthquake Engineering Research (MCEER)
National Earthquake Information Center. World Data Center for Seismology Denver

 

Deslizamientos
Dirección General para la Prevención y Atención de Desastres de Colombia, Sección de Deslizamientos
Real Time" Monitoring of an active landslide above hightway 50, California
Geologic Hazards Landslides
National Landslide Information Center

 

Huracanes
Huracan.net
National Hurricane Center. Tropical Prediction Center (NCEP)
National Severe Storms Laboratory
The Federal Emergency Management Agencys Tropical Storm Watch Page
The National Weather Service (NWS) Office of Meteorology (OM)
The Tornado Project Online
WeatherNet Tropical Weather Products
WMO Tropical Cyclone Programme

 

Inundaciones
Dartmouth College Flood Remote Sensing
Floodplain Management

 

Sequías
Drought Monitor
Coping with Floods Information for Dealing with Floods
National Drought Mitigation Center
NOAA's Drought Information Center

 

Tsunamis
Pacific Tsunami Museum
Science of Tsunami Hazards
The National Tsunami Hazard Mitigation Program
Tsunami
Tsunami Information Resource
Tsunami Research Group

 

Volcanes
Alaska Volcano Observatory
Decade Volcano. Santa María, Guatemala
Glossary of Volcano and Related Terminology
Goverment of Monserrat and Montserrat Volcano Observatory
Michigan Technological University Volcanoes
Mount Erebus Volcano Observatory Homepage
Nordic Volcanological Institute (NVI)
Observatorio Vulcanológico y Sismológico de pasto. OVP-Ingeominas
The Volcano Information Center

 

Ayuda Humanitaria
Organización Panamericana de la Salud, Programa de Preparativos para Desastres
ReliefWeb: Natural Disasters

 

Organizaciones Regionales
CRID-Centro Regional de Información sobre Desastres
Centro de Coordinación para la Prevención de los Desastres Naturales en América Central (CEPREDENAC)
Desastres en los Andes
Estrategia Internacional para la Redución de Desastres (EIRD). Unidad para América Latina y el Caribe