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Tsunami safety tips

Learn more about tsunami risks and prepare your family to act quickly should a tsunami occur.

The extraordinary destruction and loss of life caused by the Indian Ocean tsunami of December 2004 has led to a new focus on tsunami safety for coastal areas throughout the United States. If you live along the Pacific, Atlantic, Gulf, or Caribbean coasts, the tips below will help you learn more about tsunami risks and prepare your family to act quickly should a tsunami occur.

Plan Ahead: Tsunamis can happen very quickly, so proper planning now can save valuable time later. Help ensure your family's safety by developing a disaster preparedness plan that includes a disaster survival kit and an emergency evacuation plan. Tsunami evacuation plans should identify shelters and/or safe areas higher than 100 feet above sea level or up to two miles inland.

Tsunami evacuation route sign

Stay Informed: Knowing how tsunamis occur will help you recognize their warning signs. Tsunamis are most often caused by earthquakes beneath the sea floor. As deep sea waves created by the quake approach land, the shallower waters leave less room for the waves' energy to disperse. As a result, the waters rise, sometimes as waves as high as 100 feet, but more often as a powerful, fast-moving flood with strong currents. Tsunamis of either sort are extremely dangerous for coastal areas.

Move to Higher Ground: Tsunamis can result from local or distant events. Local event tsunamis are likely to be very fast moving. If you are near a shoreline and feel a strong earthquake, evacuate to higher ground immediately. Other immediate warning signs include water pulling away from the shore and a loud ocean roar.

Authorities may respond to more distant events by issuing a series of advisories about tsunami risks. A tsunami watch means that a tsunami has not yet been verified, but an earthquake or other event has made one possible. When a tsunami watch is in effect, use a battery-powered radio to keep up with the latest information. Gather your family, collect your disaster kit, and prepare to evacuate to higher ground.

A tsunami warning means that a tsunami is on its way. Evacuate immediately to higher ground or inland areas. Do not go to coastal areas to watch for the tsunami, regardless of their elevation. If it is too late to evacuate, go to an upper level of a sturdy building or the highest ground you can access as soon as possible.

Additional severe activity may follow initial quakes and early waves, so remain at a higher elevation until the tsunami threat has completely passed. Local officials will issue an "all clear" advisory when appropriate.

Once the all clear has been given, use caution or seek professional help when returning to your home, as damage or dangers — such as live wires, electrical shorts, gas leaks, and sewage — may not be immediately visible.

Upon returning, you should check your food and water supplies. Use your emergency water or boil tap water before drinking until you are told the water supply is safe. Food that came in contact with floodwaters may be contaminated and should be discarded.

The information in this article was obtained from various sources not associated with State Farm®. While we believe it to be reliable and accurate, we do not warrant the accuracy or reliability of the information. These suggestions are not a complete list of every loss control measure. The information is not intended to replace manuals or instructions provided by the manufacturer or the advice of a qualified professional. Nor is it intended to effect coverage under our policy. State Farm makes no guarantees of results from use of this information.

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