A tsunami can strike any ocean coast at any time. An official tsunami warning will be broadcast through local radio and television, marine radio. A tsunami is a series of enormous ocean waves caused by earthquakes, underwater landslides, volcanic eruptions, or asteroids. In the Pacific ocean it can take 8-10 hours to travel long distances, where in the Indian ocean it can make landfall in under 3 hours. After a tsunami, local officials will assess the damage and tell you when it is safe to return. These waves can move quickly and for very long distances. The fault zone that caused the tsunami was roughly 1300 km long, vertically displacing the sea floor by several metres along that length. Practice your plan and keep it up to date. exactly what is the condition before a tsunami occurs ? Before tsunami is like an ordinary rough seas. Basically a tsunami occurs because of the tectonic activity of the plates in the sea.The plates either collide and slip over each other,or they create a sort of gap in the ocean.due to this the water get lifted upward.as the normal waves come to the sea-shore,then same way these tsunami bringing water waves too come towards the shore.but their height is much more than the normal waves and twds the shore,the depth[of land] decreases,and hence the water gains height. A tsunami is a large sea wave caused by the displacement of a large volume of water. You do not want to waste it figuring out what to do. The ocean could look like a fast-rising flood or a wall of water. What are nature’s signs that a tsunami may be imminent? A tsunami is a series of ocean waves that sends surges of water, sometimes reaching heights of over 100 feet (30.5 meters), onto land. If you are visiting an area at risk for a tsunami, find out about local tsunami safety. TSUNAMI SAFETY. This information may be on a. Join Yahoo Answers and get 100 points today. 3]your eyes can obviously placate the massive wave coming towards the shore. Some strong (e.g., reinforced concrete) and tall buildings may be able to provide protection if no other options are available. Also see Marine geological hazards; Tsunamis are a series of large waves caused by events such as submarine earthquakes, landslides, volcanic eruptions, and less commonly, meteoric impacts. Environmental effects can include contamination of soil and water, permanent changes to the landscape, solid waste and disaster debris, and litter composed of hazardous materials and toxic substances. Local authorities may instruct you to shut these off. There is no season for tsunamis. There may not always be time to wait for an official tsunami warning. There may not always be enough time for an official warning, so it is important that you understand natural warnings. What percentage of the ocean have we explored? Find out if there are evacuation routes and assembly areas identified for your community. Find out where the assembly area is and where you should pick up your children after the danger has passed. They may also come through outdoor sirens, local officials, text message alerts and telephone notifications. A tsunami can kill or injure people and damage or destroy buildings and infrastructure as waves come in and go out. It contains tools for weather education, including weather games, activities, experiments, photos, a glossary and educational teaching materials for the classroom. Before a tsunami; During a tsunami; Tsunami facts. For example, an earthquake or a volcano in the ocean could cause a tsunami.. Earth's crust is made up of pieces called tectonic plates.An earthquake happens when these plates push against each other so hard that one of them slips or breaks. Tsunamis are sometimes referred to as tidal waves. Listen to a NOAA Weather Radio, Coast Guard emergency frequency station, or other reliable source for updated emergency information. are there any small earthquakes or something ? The severity of a tsunamis effects depends on a number of factors, namely the magnitude of the earthquake, landslide or volcanic eruption, along with its distance from sh… effects before a tsunami both in the ocean/sea and land .. ? National Oceanic and Atmospheric Administration Before a Tsunami. There are a few signs like hard ground shaking for 20+ seconds near the coast or a sudden sea level withdrawal. Tsunamis act more like a flooding wave. A tsunami with potential for strong currents or waves dangerous to people in or very near the water is expected or occurring. Why is a volcanic eruption so loud when it explodes. There may also be up to one hour between each wave. Tsunamis … Additional information will be available from, Find out what to do if you get a tsunami warning when you are on a boat in a harbor and what to do if you are at sea. US Dept of Commerce Sign up for email and text message alerts from your local emergency management office and make sure your mobile devices are set to receive. Identify any vulnerability and repair it. the tide suddenly recedes, & goes out to sea. This once-popular term derives from the most common appearance of a tsunami, which is that of an extraordinarily high tidal bore.Tsunamis and tides both produce waves of water that move inland, but in the case of a tsunami, the inland movement of water may be much greater, giving the impression of an incredibly high and forceful tide. Be a role model. Many of the things you need to do to prepare for a tsunami are the same as those you need to do to prepare for the other hazards that may impact your community. If your home, school, workplace or other frequently visited places are in tsunami hazard or evacuation zones, your emergency plan should include evacuation plans. If you experience any of these warnings, even just one, a tsunami could be coming. [8] Scientists can accurately estimate the time when a tsunami will arrive almost anywhere around the world based on calculations using the depth of the water, distances from one place to another, and the time that the earthquake or other event occurred. Just 15 to 20 minutes after the earthquake, tsunami waves up to 100 feet high traveling at breakneck speeds obliterated the Indonesian coast, particularly Banda Aceh, Ace province Indonesia's largest city, the USGS notes. Even though tsunamis happen infrequently, it is still important to prepare for one if you live, work or play on the coast. They can occur with little warning in the ocean and in lakes. Tsunami means “harbor wave” in Japanese (tsu = harbor + nami = wave), reflecting Japan’s tsunami-prone history. National Weather Service The ensuing tsunami was as tall as 50 m, reaching 5 km inland near Meubolah, Sumatra. A natural tsunami warning may your first, best or only warning that a tsunami is on its way. If you live near the ocean/sea, you may feel an earthquake as it is the most prominent reason for a tsunami. Your hotel or campground may be able to provide you with tsunami warning and evacuation information. Natural tsunami warnings include strong or long earthquakes, a loud roar (like a train or an airplane) from the ocean, and unusual ocean behavior. The 9.1 magnitude earthquake off the coast of Sumatra was estimated to occur at a depth of 30 km. You may not have a lot of time after a warning. Weather Underground provides local & long-range weather forecasts, weather reports, maps & tropical weather conditions for locations worldwide Share your knowledge and plans with friends and neighbors so they can prepare themselves and their loved ones. Tsunami Advisory: Take Action ... NOAA Weather Radio and NOAA websites (like Tsunami.gov). Your harbormaster, port captain, the U.S. Coast Guard and local and. Please Contact Us. There are two ways that you may be warned that a tsunami is coming: official tsunami warnings and natural tsunami warnings. When a tsunami comes ashore, it will not look like a normal wind wave. Learn more about tsunamis and get information about health concerns after a tsunami including food and water safety. However, while tsunamis cannot be prevented, there are things you can do before, during and after a tsunami that could save your life and the lives of your family and friends. Weather Wiz Kids is a fun and safe website for kids about all the weather info they need to know. Japan earthquake and tsunami, severe natural disaster that occurred in northeastern Japan on March 11, 2011, and killed at least 20,000 people. A tsunami can strike anywhere along most of the U.S. coastline. Did Darwin outline the theory of evolution in the Origin of Species ? the things that predict a tsunami or other sea related disasters are: 1]the aquatic life goes away from the region.The fishermen hence,don't find the fish in the shallow waters. Paleomagnetic evidence for seafloor spreading is found in:? Do not store your important documents in the basement. Here are some things you can do now to help protect yourself and your loved ones in case a tsunami ever strikes your community. If you have children that go to school in a tsunami hazard or evacuation zone, find out about the school's plans for evacuating and keeping the children safe. Or, it could drain away suddenly, showing the ocean floor, reefs and fish like a very low, low tide. Also, the water levels will suddenly drop and then come back as a tsunami. If you are at sea, you should plan to move to a safe depth (which varies by region) and stay away from harbors under warning until officials tell you the threat has passed. - Videos from The Weather Channel | weather.com
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