migration strategies of tsunami
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Know the warning signs of a tsunami: rapidly rising or falling coastal waters, a loud roar from the ocean, or rumblings of an earthquake. “If people along the Indian Ocean coastline on December 26, 2004, were aware of and heeded these natural warnings, fewer people would have died,” says Rocky Lopes, administrator of the National Tsunami Hazard Mitigation Program. He adds, “A strong myth is that tsunamis always cause the ocean to recede before [the powerful] waves flood in. In some areas, particularly on islands, water recession may not happen.”
● Familiarize yourself with your government's warning system and subscribe to alerts. In the U.S., NOAA Weather Radio is a good resource.
● Map your evacuation route—not just for your home, but work, school or caregivers, or any place else where your family tends to be. Know how to get to safety on foot—roads may not always be feasible.
● Have your evacuation plan ready and rehearsed now. That way, Richards says, "You don't have to think about it. You just go and do it."
● Keep an emergency kit or "go bag" handy at home or in your car. The American Red Cross offers tips for stocking it here, including food, water, and a cell phone with chargers.
● Coordinate with loved ones on reuniting. "What happens when the family has to respond from separate areas?" Richards recommends asking. "How do you eventually come back together?"
During a tsunami
● If you're in a tsunami area and there is an earthquake, first drop to the floor, cover your head and neck, and hold on to something stable. If you're in a low-lying area, move inland as soon as possible.
● Listen for official warnings, but also listen and watch for natural signs. "Listen to the authorities, but do not wait for tsunami warnings and evacuation orders," counsels the U.S. site Ready.gov.
● People often mistake the distance they have to go to be safe. "Many people think they've got to go miles," Richards says, "when it might be just right behind Johnny's house." If you're a visitor staying in a tall concrete hotel, he adds, going above the fourth floor likely will be safer than evacuating.
● Stay put in a safe area until an official all-clear is given. The first wave of a tsunami may not be the last or the strongest and the danger can last for hours or even days, according to the National Weather Service.
After a tsunami
● Stay clear of damaged or flooded areas and downed power lines.
● Listen for further alerts and instructions about evacuation zones and shelters.
● Use texts and social media to communicate with loved ones, as phone systems are likely to be down or busy. The American Red Cross has a registry where you can list yourself as safe and well.
Follow these common-sense guidelines from the U.S. Centers for Disease Control and Prevention on food and water safety, including using bottled, boiled, or treated water and throwing away perishable foods left unrefrigerated for more than four hours.
Answer: Tsunami Migration
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