• Biological Threat
• Chemical Threat
• Drought
• Earthquake
• Fire
• Flood
• Heat
• Hurricane
• Landslide
• Radiation / Nuclear
• Tornado
• Tsunami
• Volcano
• Wildfires
• Winter Storm

Radiation emergencies can result from terrorist activities or from a nuclear power plant accident.

• Radiation Emergency Instructions for Individuals & Families. From the CDC, what you should know when dealing with all types of radiation emergencies from dirty bombs, to a nuclear blast. Information about sheltering in place, evacuation, contamination as well as how different drugs can be used to treat people who have been exposed to radiation.
• What to do After a Hazardous Materials Incident. FEMA provides recommended guidelines for the period following a hazardous materials incident.
• After a Radiological Dispersion Device (RDD) Event. FEMA provides advice on what to do after a RDD event.
• After a Nuclear Blast. Advice from FEMA on what to do after a nuclear incident.
• Radioactive Contamination and Radiation Exposure. The CDC explains the difference between contamination and exposure and how you can limit contamination.
• Frequently Asked Questions on Potassium Iodide (KI). From the U.S. Food and Drug Administration, Center for Drug Evaluation and Research, a series of questions addressing the use of KI in radiation emergencies.
• What To Do After a Nuclear or Radiological Attack. Produced by FEMA and provided by the Federal Citizen Information Center, this brochure discusses what to do in a public or home shelter plus the issues and risks to keep aware of when returning home.