Country guide
Emergencies in United States
Which number to call, how alerts reach you and which risks to prepare for in United States. In short, with links to the official sources.
Emergency number911
Phone alertsWireless Emergency AlertsCheck your phone settings to make sure emergency alerts are switched on.
Civil protectionReady.gov (FEMA)
Weather warningsNational Weather Service
Main hazards
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Hurricanes
You usually get days of warning: use them to stock up and evacuate if told to.
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Tornadoes
At a warning, go straight to the lowest interior room without windows.
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Wildfires
Follow evacuation orders immediately and keep your go bag ready in fire season.
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Earthquakes
They strike without warning. Secure tall furniture and learn Drop, Cover and Hold On.
What to do in an earthquake → -
Winter storms and cold
Blocked roads and multi-day power cuts. Keep supplies at home and in the car.
Winter storms and extreme cold →
The basics, wherever you live
Other countries
We review this data regularly, but rules and numbers can change. If in doubt, follow your local authorities.