But far from everybody are prepared for them.
"Less than forty percent of Americans have an emergency plan for their family," said Tim Manning, deputy director at FEMA.
When you include unexpected disasters, being unprepared can set up some scary scenarios.
Using youngsters, FEMA's launching a new ad campaign that mocks a family that's ill-prepared for an emergency.
Tim Manning is hoping the sarcasm catches with younger Americans.
"It's important that kids know what to do in the case of an emergency or disaster for when they're not with mom and dad," said Manning.
He also says the ad aims to take advantage of a reality: parents may not listen to FEMA, but will listen to their kids.
More information on what families should do to prepare for emergencies can be found at www.ready.gov/kids.
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