Nuclear power plant emergency
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Listen to the official alert for your zone and follow instructions to shelter or evacuate. If told to shelter, go indoors and close windows and doors. Take potassium iodide only if public-health officials direct it; it is not a general radiation antidote.
Take it with you. Verify locally.
Downloads open without signup. External references are published material, not live instructions. Save them before an outage.
In immediate danger, contact local emergency services. Current instructions for your location take priority.
Do now.
- 01
Confirm your zone
Use emergency management and plant-area alerts for your actual address.
- 02
Shelter when directed
Move indoors and follow instructions for outside-air ventilation.
- 03
Evacuate when directed
Use designated routes and reception centers; do not invent a route through restricted areas.
- 04
Follow food and water instructions
Use packaged supplies and heed any local contamination restrictions.
Next steps.
Keep the local emergency plan, routes and alert channels available before an incident.
Watch for.
Plant emergencies differ from nuclear detonations; a fixed distance or timer is not an all-clear.
Sources & context.
Original Osprey Zero summary of the references below. U.S.-based guidance unless noted; check authorities where you are. This page is not a live alert.
Updated 2026-10-02. Recheck official instructions during an active event.